| Charlotte Douglas International (CLT) | Charlotte | NC | Pennridge to Charlotte Douglas International |
| Dalhart Municipal (DHT) | Dalhart | TX | Pennridge to Dalhart Municipal |
| Dickinson Theodore Roosevelt Regional (DIK) | Dickinson | ND | Pennridge to Dickinson Theodore Roosevelt Regional |
| Clearwater (DJ4) | Clearwater | NB | Pennridge to Clearwater |
| Kinston Regional Jetport Stallings Field (ISO) | Kinston | NC | Pennridge to Kinston Regional Jetport Stallings Field |
| Long Island Macarthur (ISP) | Islip | NY | Pennridge to Long Island Macarthur |
| Schoolcraft County (ISQ) | Manistique | MI | Pennridge to Schoolcraft County |
| Wiscasset (ISS) | Wiscasset | ME | Pennridge to Wiscasset |
| Alexander Field South Wood County (ISW) | Wisconsin Rapids | WI | Pennridge to Alexander Field South Wood County |
| Ithaca Tompkins Regional (ITH) | Ithaca | NY | Pennridge to Ithaca Tompkins Regional |
| Gogebic-Iron County (IWD) | Ironwood | MI | Pennridge to Gogebic-Iron County |
| Manitowish Waters (KD25) | Manitowish Waters | WI | Pennridge to Manitowish Waters |
| Skyhaven (KDAW) | Rochester | NH | Pennridge to Skyhaven |
| Chester Catawba Regional (KDCM) | Chester | SC | Pennridge to Chester Catawba Regional |
| Bennington/William H. Morse State (KDDH) | Bennington | VT | Pennridge to Bennington/William H. Morse State |
| Knoxville Downtown Island (KDKX) | Knoxville | TN | Pennridge to Knoxville Downtown Island |
| Carroll County Regional/Jack B Poage Field (KDMW) | Westminster | MD | Pennridge to Carroll County Regional/Jack B Poage Field |
| Dona Ana County At Santa Teresa (KDNA) | Santa Teresa | NM | Pennridge to Dona Ana County At Santa Teresa |
| Kenansville/Duplin County (KDPL) | Kenansville | NC | Pennridge to Kenansville/Duplin County |
| Toledo Suburban (KDUH) | Lambertville | MI | Pennridge to Toledo Suburban |
| Horseshoe Bay Resort (KDZB) | Austin | TX | Pennridge to Horseshoe Bay Resort |
| Austin Executive (KEDC) | Austin | TX | Pennridge to Austin Executive |
| Meeker Coulter Field (KEEO) | Meeker | CO | Pennridge to Meeker Coulter Field |
| Mitchell Field Bessemer (KEKY) | Bessemer | AL | Pennridge to Mitchell Field Bessemer |
| Davidson County (KEXX) | Lexington | NC | Pennridge to Davidson County |
| Apalachicola Regional (AAF) | Apalachicola | FL | Pennridge to Apalachicola Regional |
| Abilene Regional (ABI) | Abilene | TX | Pennridge to Abilene Regional |
| Albuquerque/Sunport International (ABQ) | Albuquerque | NM | Pennridge to Albuquerque/Sunport International |
| Aberdeen Regional (ABR) | Aberdeen | SD | Pennridge to Aberdeen Regional |
| Southwest Georgia Regional (ABY) | Albany | GA | Pennridge to Southwest Georgia Regional |
| Antrim County (ACB) | Bellaire | MI | Pennridge to Antrim County |
| Nantucket Memorial (ACK) | Nantucket | MA | Pennridge to Nantucket Memorial |
| Ciudad Acuna International (ACN) | Ciudad Acuna | Coa | Pennridge to Ciudad Acuna International |
| Waco Regional (ACT) | Waco | TX | Pennridge to Waco Regional |
| Lenawee County (ADG) | Adrian | MI | Pennridge to Lenawee County |
| Ardmore Municipal (ADM) | Ardmore | OK | Pennridge to Ardmore Municipal |
| Robert F Swinnie (ADR) | Andrews | SC | Pennridge to Robert F Swinnie |
| Addison/Dallas (ADS) | Dallas | TX | Pennridge to Addison/Dallas |
| Ada Municipal (ADT) | Ada | OK | Pennridge to Ada Municipal |
| Albert Lea Municipal (AEL) | Albert Lea | MN | Pennridge to Albert Lea Municipal |
| Alexandria International (AEX) | Alexandria | LA | Pennridge to Alexandria International |
| Jaffrey Silver Ranch (AFN) | Jaffrey | NH | Pennridge to Jaffrey Silver Ranch |
| Afton Municipal (AFO) | Afton | WY | Pennridge to Afton Municipal |
| Fort Worth Alliance (AFW) | Fort Worth | TX | Pennridge to Fort Worth Alliance |
| Allegheny County (AGC) | Pittsburgh | PA | Pennridge to Allegheny County |
| Magnolia Municipal (AGO) | Magnolia | AR | Pennridge to Magnolia Municipal |
| Augusta Regional/Bush Field (AGS) | Augusta | GA | Pennridge to Augusta Regional/Bush Field |
| Ardmore Downtown Executive (AHD) | Ardmore | OK | Pennridge to Ardmore Downtown Executive |
| Amery Municipal (AHH) | Amery | WI | Pennridge to Amery Municipal |
| Athens/Ben Epps (AHN) | Athens | GA | Pennridge to Athens/Ben Epps |
| Alliance Municipal (AIA) | Alliance | NE | Pennridge to Alliance Municipal |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | Pennridge to Anderson Municipal-Darlington Field |
| Aiken Regional (AIK) | Aiken | SC | Pennridge to Aiken Regional |
| Atlantic Municipal (AIO) | Atlantic | IA | Pennridge to Atlantic Municipal |
| George Downer (AIV) | Aliceville | AL | Pennridge to George Downer |
| Lee C Fine Memorial (AIZ) | KAISER/LAKE OZARK | MO | Pennridge to Lee C Fine Memorial |
| Akron Fulton International (AKC) | Akron | OH | Pennridge to Akron Fulton International |
| Colorado Plains Regional (AKO) | Akron | CO | Pennridge to Colorado Plains Regional |
| Albany International (ALB) | Albany | NY | Pennridge to Albany International |
| Alpine-Casparis Municipal (ALE) | Alpine | TX | Pennridge to Alpine-Casparis Municipal |
| Alice International (ALI) | Alice | TX | Pennridge to Alice International |
| Alamogordo White Sands Regional (ALM) | Alamogordo | NM | Pennridge to Alamogordo White Sands Regional |
| St Louis Regional (ALN) | Alton | IL | Pennridge to St Louis Regional |
| Waterloo Regional (ALO) | Waterloo | IA | Pennridge to Waterloo Regional |
| San Luis Valley Regional/Bergman Field (ALS) | Alamosa | CO | Pennridge to San Luis Valley Regional/Bergman Field |
| Thomas C Russell Field (ALX) | Alexander City | AL | Pennridge to Thomas C Russell Field |
| Rick Husband Amarillo International (AMA) | Amarillo | TX | Pennridge to Rick Husband Amarillo International |
| Animas Air Park (AMK) | Durango | CO | Pennridge to Animas Air Park |
| Gratiot Community (AMN) | Alma | MI | Pennridge to Gratiot Community |
| Ames Municipal (AMW) | Ames | IA | Pennridge to Ames Municipal |
| Anniston Regional (ANB) | Anniston | AL | Pennridge to Anniston Regional |
| Anderson Regional (AND) | Anderson | SC | Pennridge to Anderson Regional |
| Tri-State Steuben County (ANQ) | Angola | IN | Pennridge to Tri-State Steuben County |
| V C Bird International/St. John's (ANU) | St John's | Lim | Pennridge to V C Bird International/St. John's |
| Ainsworth Regional (ANW) | Ainsworth | NE | Pennridge to Ainsworth Regional |
| Lima Allen County (AOH) | Lima | OH | Pennridge to Lima Allen County |
| Altoona/Blair County (AOO) | Altoona | PA | Pennridge to Altoona/Blair County |
| Centennial (APA) | Denver | CO | Pennridge to Centennial |
| Naples Municipal (APF) | Naples | FL | Pennridge to Naples Municipal |
| Alpena County Regional (APN) | Alpena | MI | Pennridge to Alpena County Regional |
| Marion County-Brown Field (APT) | Jasper | TN | Pennridge to Marion County-Brown Field |
| New Iberia/Acadiana Regional (ARA) | New Iberia | LA | Pennridge to New Iberia/Acadiana Regional |
| Ann Arbor Municipal (ARB) | Ann Arbor | MI | Pennridge to Ann Arbor Municipal |
| Walnut Ridge Regional (ARG) | Walnut Ridge | AR | Pennridge to Walnut Ridge Regional |
| Watertown International (ART) | Watertown | NY | Pennridge to Watertown International |
| Lakeland/Noble F. Lee Memorial Field (ARV) | Minocqua | WI | Pennridge to Lakeland/Noble F. Lee Memorial Field |
| Andros Town/Fresh Creek (ASD) | Andros Island | | Pennridge to Andros Town/Fresh Creek |
| Aspen-Pitkin County/Sardy Field (ASE) | Aspen | CO | Pennridge to Aspen-Pitkin County/Sardy Field |
| Nashua-Boire Field (ASH) | Nashua | NH | Pennridge to Nashua-Boire Field |
| Harrison County (ASL) | Marshall | TX | Pennridge to Harrison County |
| Talladega Municipal (ASN) | Talladega | AL | Pennridge to Talladega Municipal |
| John F Kennedy Memorial (ASX) | Ashland | WI | Pennridge to John F Kennedy Memorial |
| Ashley Municipal (ASY) | Ashley | ND | Pennridge to Ashley Municipal |
| Arthur's Town (ATC) | Cat Island | | Pennridge to Arthur's Town |
| Antlers Municipal (ATE) | Antlers | OK | Pennridge to Antlers Municipal |
| Hartsfield Jackson Atlanta International (ATL) | Atlanta | GA | Pennridge to Hartsfield Jackson Atlanta International |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | Pennridge to Gordon K Bush Ohio University |
| Artesia Municipal (ATS) | Artesia | NM | Pennridge to Artesia Municipal |
| Appleton International (ATW) | Appleton | WI | Pennridge to Appleton International |
| Watertown Regional (ATY) | Watertown | SD | Pennridge to Watertown Regional |
| Augusta State (AUG) | Augusta | ME | Pennridge to Augusta State |
| Austin Municipal (AUM) | Austin | MN | Pennridge to Austin Municipal |
| Auburn University Regional (AUO) | Auburn | AL | Pennridge to Auburn University Regional |
| Austin Bergstrom International (AUS) | Austin | TX | Pennridge to Austin Bergstrom International |
| Wausau Downtown (AUW) | Wausau | WI | Pennridge to Wausau Downtown |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | Pennridge to Chicago/Aurora Municipal |
| Asheville Regional (AVL) | Asheville | NC | Pennridge to Asheville Regional |
| Avon Park Executive (AVO) | Avon Park | FL | Pennridge to Avon Park Executive |
| West Memphis Municipal (AWM) | West Memphis | AR | Pennridge to West Memphis Municipal |
| Wallblake/Clayton J Lloyd International (AXA) | The Valley | | Pennridge to Wallblake/Clayton J Lloyd International |
| Algona Municipal (AXG) | Algona | IA | Pennridge to Algona Municipal |
| Chandler Field (AXN) | Alexandria | MN | Pennridge to Chandler Field |
| Spring Point (AXP) | Acklins Island | | Pennridge to Spring Point |
| Altus/Quartz Mountain Regional (AXS) | Altus | OK | Pennridge to Altus/Quartz Mountain Regional |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | Pennridge to Auglaize County Neil Armstrong |
| Angel Fire (Colfax County) (AXX) | Angel Fire | NM | Pennridge to Angel Fire (Colfax County) |
| Waycross-Ware County (AYS) | Waycross | GA | Pennridge to Waycross-Ware County |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Pennridge to Kalamazoo/Battle Creek International |
| El Catey Presidente Juan Bosch (AZS) | Samana | | Pennridge to El Catey Presidente Juan Bosch |
| Barnes Municipal (BAF) | Westfield | MA | Pennridge to Barnes Municipal |
| Benson Municipal (BBB) | Benson | MN | Pennridge to Benson Municipal |
| Bay City Regional (BBC) | Bay City | TX | Pennridge to Bay City Regional |
| Curtis Field (BBD) | Brady | TX | Pennridge to Curtis Field |
| Broken Bow Municipal/Keith Glaze Field (BBW) | Broken Bow | NE | Pennridge to Broken Bow Municipal/Keith Glaze Field |
| Virginia Tech Montgomery Executive (BCB) | Blacksburg | VA | Pennridge to Virginia Tech Montgomery Executive |
| Boca Raton (BCT) | Boca Raton | FL | Pennridge to Boca Raton |
| Baudette International (BDE) | Baudette | MN | Pennridge to Baudette International |
| Blanding Municipal (BDG) | Blanding | UT | Pennridge to Blanding Municipal |
| Bradley International (BDL) | Windsor Locks | CT | Pennridge to Bradley International |
| Igor I Sikorsky Memorial (BDR) | Bridgeport | CT | Pennridge to Igor I Sikorsky Memorial |
| Beech Factory (BEC) | Wichita | KS | Pennridge to Beech Factory |
| Laurence G Hanscom Field (BED) | Bedford | MA | Pennridge to Laurence G Hanscom Field |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | Pennridge to Southwest Michigan Regional |
| Bradford Regional (BFD) | Bradford | PA | Pennridge to Bradford Regional |
| Western Nebraska Regional/William B Heilig Field (BFF) | Scottsbluff | NE | Pennridge to Western Nebraska Regional/William B Heilig Field |
| Mobile Downtown (BFM) | Mobile | AL | Pennridge to Mobile Downtown |
| Beaver County (BFP) | Beaver Falls | PA | Pennridge to Beaver County |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | Pennridge to Virgil I Grissom Municipal |
| Beaufort County (BFT) | Beaufort | SC | Pennridge to Beaufort County |
| Hutchinson County (BGD) | Borger | TX | Pennridge to Hutchinson County |
| Decatur County Industrial Air Park (BGE) | Bainbridge | GA | Pennridge to Decatur County Industrial Air Park |
| Greater Binghamton Edwin A Link Field (BGM) | Binghamton | NY | Pennridge to Greater Binghamton Edwin A Link Field |
| Bangor International (BGR) | Bangor | ME | Pennridge to Bangor International |
| Hancock County-Bar Harbor (BHB) | Bar Harbor | ME | Pennridge to Hancock County-Bar Harbor |
| Birmingham-Shuttlesworth International (BHM) | Birmingham | AL | Pennridge to Birmingham-Shuttlesworth International |
| Beatrice Municipal (BIE) | Beatrice | NE | Pennridge to Beatrice Municipal |
| Billings Logan International (BIL) | Billings | MT | Pennridge to Billings Logan International |
| South Bimini (BIM) | Bimini Islands | | Pennridge to South Bimini |
| Bismarck Municipal (BIS) | Bismarck | ND | Pennridge to Bismarck Municipal |
| Rocky Mountain Metropolitan/Jeffco (BJC) | Denver | CO | Pennridge to Rocky Mountain Metropolitan/Jeffco |
| Bemidji Regional (BJI) | Bemidji | MN | Pennridge to Bemidji Regional |
| Wayne County (BJJ) | Wooster | OH | Pennridge to Wayne County |
| Stephens County (BKD) | Breckenridge | TX | Pennridge to Stephens County |
| Branson (BKG) | Branson | MO | Pennridge to Branson |
| Burke Lakefront (BKL) | Cleveland | OH | Pennridge to Burke Lakefront |
| Allen C Perkinson Blackstone Army Air Field (BKT) | Blackstone | VA | Pennridge to Allen C Perkinson Blackstone Army Air Field |
| Raleigh County Memorial (BKW) | Beckley | WV | Pennridge to Raleigh County Memorial |
| Brookings Regional (BKX) | Brookings | SD | Pennridge to Brookings Regional |
| Mercer County (BLF) | Bluefield | WV | Pennridge to Mercer County |
| MidAmerica St Louis Scott AFB (BLV) | Belleville | IL | Pennridge to MidAmerica St Louis Scott AFB |
| Monroe County (BMG) | Bloomington | IN | Pennridge to Monroe County |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | Pennridge to Central Illinois Regional at Bloomington Normal |
| Berlin Regional (BML) | Berlin | NH | Pennridge to Berlin Regional |
| Beaumont Municipal (BMT) | Beaumont | TX | Pennridge to Beaumont Municipal |
| Nashville International (BNA) | Nashville | TN | Pennridge to Nashville International |
| Barnwell Regional (BNL) | Barnwell | SC | Pennridge to Barnwell Regional |
| Boone Municipal (BNW) | Boone | IA | Pennridge to Boone Municipal |
| Boston Logan International (BOS) | Boston | MA | Pennridge to Boston Logan International |
| Bartow Executive (BOW) | Bartow | FL | Pennridge to Bartow Executive |
| Miley Memorial Field (Big Piney) (BPI) | Big Piney | WY | Pennridge to Miley Memorial Field (Big Piney) |
| Jack Brooks Regional (BPT) | Beaumont/Port Arthur | TX | Pennridge to Jack Brooks Regional |
| Brunswick Golden Isles (BQK) | Brunswick | GA | Pennridge to Brunswick Golden Isles |
| Aguadilla/Rafael Hernandez (Borinquen) (BQN) | Aguadilla | | Pennridge to Aguadilla/Rafael Hernandez (Borinquen) |
| Brainerd Lakes Regional (BRD) | Brainerd | MN | Pennridge to Brainerd Lakes Regional |
| Southeast Iowa Regional (BRL) | Burlington | IA | Pennridge to Southeast Iowa Regional |
| Brownsville/South Padre Island International (BRO) | Brownsville | TX | Pennridge to Brownsville/South Padre Island International |
| Samuels Field (BRY) | Bardstown | KY | Pennridge to Samuels Field |
| Battle Creek Executive (BTL) | Battle Creek | MI | Pennridge to Battle Creek Executive |
| Marlboro County Jetport - H.E. Avent Field (BTN) | Bennettsville | SC | Pennridge to Marlboro County Jetport - H.E. Avent Field |
| Pittsburgh/Butler Regional Airport (BTP) | Butler | PA | Pennridge to Pittsburgh/Butler Regional Airport |
| Baton Rouge Metro Ryan Field (BTR) | Baton Rouge | LA | Pennridge to Baton Rouge Metro Ryan Field |
| Burlington International (BTV) | Burlington | VT | Pennridge to Burlington International |
| Buffalo Niagara International (BUF) | Buffalo | NY | Pennridge to Buffalo Niagara International |
| Butler Memorial (BUM) | Butler | MO | Pennridge to Butler Memorial |
| Bartlesville Municipal (BVO) | Bartlesville | OK | Pennridge to Bartlesville Municipal |
| Batesville Regional (BVX) | Batesville | AR | Pennridge to Batesville Regional |
| Beverly Regional (BVY) | Beverly | MA | Pennridge to Beverly Regional |
| Brownwood Regional (BWD) | Brownwood | TX | Pennridge to Brownwood Regional |
| Bowling Green Warren County Regional (BWG) | Bowling Green | KY | Pennridge to Bowling Green Warren County Regional |
| Baltimore/Washington Intl Thurgood Marshall (BWI) | Baltimore | MD | Pennridge to Baltimore/Washington Intl Thurgood Marshall |
| Bowman Municipal (BWM) | Bowman | ND | Pennridge to Bowman Municipal |
| George R Carr Memorial Airfield (BXA) | Bogalusa | LA | Pennridge to George R Carr Memorial Airfield |
| Johnson County (BYG) | Buffalo | WY | Pennridge to Johnson County |
| Arkansas International (BYH) | Blytheville | AR | Pennridge to Arkansas International |
| Bozeman Yellowstone International (BZN) | Bozeman | MT | Pennridge to Bozeman Yellowstone International |
| Wexford County (CAD) | Cadillac | MI | Pennridge to Wexford County |
| Columbia Metropolitan (CAE) | Columbia | SC | Pennridge to Columbia Metropolitan |
| Akron/Canton Regional (CAK) | Akron | OH | Pennridge to Akron/Canton Regional |
| Clayton Municipal Airpark (CAO) | Clayton | NM | Pennridge to Clayton Municipal Airpark |
| Cap Haitien (CAP) | Cap Haitien | | Pennridge to Cap Haitien |
| Caribou Municipal (CAR) | Caribou | ME | Pennridge to Caribou Municipal |
| Greater Cumberland Regional (CBE) | Cumberland | MD | Pennridge to Greater Cumberland Regional |
| Council Bluffs Municipal (CBF) | Council Bluffs | IA | Pennridge to Council Bluffs Municipal |
| Shalz Field (CBK) | Colby | KS | Pennridge to Shalz Field |
| Clinton Municipal (CCA) | Clinton | AR | Pennridge to Clinton Municipal |
| Crane County (CCG) | Crane | TX | Pennridge to Crane County |
| Northeast Iowa Regional (CCY) | Charles City | IA | Pennridge to Northeast Iowa Regional |
| Chub Cay (CCZ) | Berry Islands | | Pennridge to Chub Cay |
| Harrell Field (CDH) | Camden | AR | Pennridge to Harrell Field |
| Woodward Field (CDN) | Camden | SC | Pennridge to Woodward Field |
| Chadron Municipal (CDR) | Chadron | NE | Pennridge to Chadron Municipal |
| Childress Municipal (CDS) | Childress | TX | Pennridge to Childress Municipal |
| Juniper (CE3) | Juniper | NB | Pennridge to Juniper |
| Westover Arb/Westover Metropolitan (CEF) | Chicopee | MA | Pennridge to Westover Arb/Westover Metropolitan |
| Oconee County Regional (CEU) | Clemson | SC | Pennridge to Oconee County Regional |
| Mettel Field (CEV) | Connersville | IN | Pennridge to Mettel Field |
| Bob Sikes (CEW) | Crestview | FL | Pennridge to Bob Sikes |
| Kyle-Oakley Field (CEY) | Murray | KY | Pennridge to Kyle-Oakley Field |
| Cortez Municipal (CEZ) | Cortez | CO | Pennridge to Cortez Municipal |
| Coulter Field (CFD) | Bryan | TX | Pennridge to Coulter Field |
| Coffeyville Municipal (CFV) | Coffeyville | KS | Pennridge to Coffeyville Municipal |
| Cambridge-Dorchester Regional (CGE) | Cambridge | MD | Pennridge to Cambridge-Dorchester Regional |
| Cuyahoga County (CGF) | Cleveland | OH | Pennridge to Cuyahoga County |
| Cape Girardeau Regional (CGI) | Cape Girardeau | MO | Pennridge to Cape Girardeau Regional |
| Lovell Field (CHA) | Chattanooga | TN | Pennridge to Lovell Field |
| Chickasha Municipal (CHK) | Chickasha | OK | Pennridge to Chickasha Municipal |
| Charlottesville Albemarle (CHO) | Charlottesville | VA | Pennridge to Charlottesville Albemarle |
| Charleston International (CHS) | Charleston | SC | Pennridge to Charleston International |
| The Eastern Iowa (CID) | Cedar Rapids | IA | Pennridge to The Eastern Iowa |
| Craig-Moffat (CIG) | Craig | CO | Pennridge to Craig-Moffat |
| Arthur N Neu (CIN) | Carroll | IA | Pennridge to Arthur N Neu |
| Cairo Regional (CIR) | Cairo | IL | Pennridge to Cairo Regional |
| Chippewa County International (CIU) | Sault Ste Marie | MI | Pennridge to Chippewa County International |
| Ciudad Juarez/Abraham Gonzalez Intl (CJS) | Ciudad Juarez | Chi | Pennridge to Ciudad Juarez/Abraham Gonzalez Intl |
| North Central West Virginia (CKB) | Clarksburg | WV | Pennridge to North Central West Virginia |
| Fletcher Field (CKM) | Clarksdale | MS | Pennridge to Fletcher Field |
| Crookston Municipal Kirkwood Field (CKN) | Crookston | MN | Pennridge to Crookston Municipal Kirkwood Field |
| Outlaw Field (CKV) | Clarksville | TN | Pennridge to Outlaw Field |
| Cleveland/Hopkins International (CLE) | Cleveland | OH | Pennridge to Cleveland/Hopkins International |
| Clintonville Municipal (CLI) | Clintonville | WI | Pennridge to Clintonville Municipal |
| Clinton Regional (CLK) | Clinton | OK | Pennridge to Clinton Regional |
| Easterwood Field (CLL) | College Station | TX | Pennridge to Easterwood Field |
| Columbus Municipal (CLU) | Columbus | IN | Pennridge to Columbus Municipal |
| Clearwater Airpark (CLW) | Clearwater | FL | Pennridge to Clearwater Airpark |
| Ciudad Del Carmen (CME) | Ciudad del Carmen | Cam | Pennridge to Ciudad Del Carmen |
| John Glenn International (CMH) | Columbus | OH | Pennridge to John Glenn International |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | Pennridge to University of Illinois-Willard |
| Houghton County Memorial (CMX) | Hancock | MI | Pennridge to Houghton County Memorial |
| Sparta/Fort Mccoy (CMY) | Sparta | WI | Pennridge to Sparta/Fort Mccoy |
| Fremont County (CNE) | Canon City | CO | Pennridge to Fremont County |
| Claremont Municipal (CNH) | Claremont | NH | Pennridge to Claremont Municipal |
| Cavern City Air Terminal (CNM) | Carlsbad | NM | Pennridge to Cavern City Air Terminal |
| Chanute Martin Johnson (CNU) | Chanute | KS | Pennridge to Chanute Martin Johnson |
| Waco Texas State Techical College (CNW) | Waco | TX | Pennridge to Waco Texas State Techical College |
| Canyonlands Field (CNY) | Moab | UT | Pennridge to Canyonlands Field |
| Yellowstone Regional (COD) | Cody | WY | Pennridge to Yellowstone Regional |
| Merritt Island (COI) | Merritt Island | FL | Pennridge to Merritt Island |
| Coleman Municipal (COM) | Coleman | TX | Pennridge to Coleman Municipal |
| Concord Municipal (CON) | Concord | NH | Pennridge to Concord Municipal |
| City of Colorado Springs Municipal (COS) | Colorado Springs | CO | Pennridge to City of Colorado Springs Municipal |
| Cotulla-La Salle County (COT) | Cotulla | TX | Pennridge to Cotulla-La Salle County |
| Columbia Regional (COU) | Columbia | MO | Pennridge to Columbia Regional |
| Congo Town (COX) | Andros Island | | Pennridge to Congo Town |
| Exploitsvalley/Botwood (CP2) | Exploits Valley | New | Pennridge to Exploitsvalley/Botwood |
| Campeche/Ignacio Acuna Ongay Intl (CPE) | Campeche | Cam | Pennridge to Campeche/Ignacio Acuna Ongay Intl |
| Casper/Natrona County International (CPR) | Casper | WY | Pennridge to Casper/Natrona County International |
| St Louis Downtown (CPS) | Cahokia/St Louis | IL | Pennridge to St Louis Downtown |
| Debert (CQ3) | Debert | NS | Pennridge to Debert |
| Florenceville (CR3) | Florenceville | NB | Pennridge to Florenceville |
| Grand Strand North Myrtle Beach (CRE) | North Myrtle Beach | SC | Pennridge to Grand Strand North Myrtle Beach |
| Jacksonville Executive at Craig (CRG) | Jacksonville | FL | Pennridge to Jacksonville Executive at Craig |
| Colonel Hill (CRI) | Crooked Island | | Pennridge to Colonel Hill |
| Corpus Christi International (CRP) | Corpus Christi | TX | Pennridge to Corpus Christi International |
| C David Campbell Field-Corsicana Municipal (CRS) | Corsicana | TX | Pennridge to C David Campbell Field-Corsicana Municipal |
| Z M Jack Stell Field (CRT) | Crossett | AR | Pennridge to Z M Jack Stell Field |
| Yeager (CRW) | Charleston | WV | Pennridge to Yeager |
| Roscoe Turner (CRX) | Corinth | MS | Pennridge to Roscoe Turner |
| St Stephen (Giddens Memorial) (CS3) | St Stephen | NB | Pennridge to St Stephen (Giddens Memorial) |
| Chipman (CS4) | Chipman | NB | Pennridge to Chipman |
| Columbus Metropolitan (CSG) | Columbus | GA | Pennridge to Columbus Metropolitan |
| Clinton-Sherman (CSM) | Clinton | OK | Pennridge to Clinton-Sherman |
| Creston Municipal (CSQ) | Creston | IA | Pennridge to Creston Municipal |
| Crossville Memorial/Whitson Field (CSV) | Crossville | TN | Pennridge to Crossville Memorial/Whitson Field |
| Canton Municipal (CTK) | Canton | SD | Pennridge to Canton Municipal |
| Chetumal Intl (CTM) | Chetumal | Qui | Pennridge to Chetumal Intl |
| Cortland County-Chase Field (CTX) | Cortland | NY | Pennridge to Cortland County-Chase Field |
| Cross City (CTY) | Cross City | FL | Pennridge to Cross City |
| Clinton-Sampson County (CTZ) | Clinton | NC | Pennridge to Clinton-Sampson County |
| Jim Hamilton L.B. Owens (CUB) | Columbia | SC | Pennridge to Jim Hamilton L.B. Owens |
| Cushing Municipal (CUH) | Cushing | OK | Pennridge to Cushing Municipal |
| Cancun International (CUN) | Cancun | Qui | Pennridge to Cancun International |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | Pennridge to Cincinnati Northern Kentucky International |
| General Pedro J Mendez/Ciudad Victoria Intl (CVM) | Ciudad Victoria | Tam | Pennridge to General Pedro J Mendez/Ciudad Victoria Intl |
| Clovis Municipal (CVN) | Clovis | NM | Pennridge to Clovis Municipal |
| Kings County Municipal (CW3) | Waterville | NS | Pennridge to Kings County Municipal |
| Central Wisconsin (CWA) | Mosinee | WI | Pennridge to Central Wisconsin |
| Chennault International (CWF) | Lake Charles | LA | Pennridge to Chennault International |
| Clinton Municipal (CWI) | Clinton | IA | Pennridge to Clinton Municipal |
| Conroe North Houston Regional (CXO) | Houston | TX | Pennridge to Conroe North Houston Regional |
| Charles Kirkconnell Intl (CYB) | Cayman Brac | | Pennridge to Charles Kirkconnell Intl |
| Cheyenne Regional/Jerry Olson Field (CYS) | Cheyenne | WY | Pennridge to Cheyenne Regional/Jerry Olson Field |
| Nuevo Chichen Itza (CZA) | Chichen Itza | Yuc | Pennridge to Nuevo Chichen Itza |
| Burlington Executive (CZB) | Burlington | ON | Pennridge to Burlington Executive |
| Cozumel Intl (CZM) | Cozumel | Qui | Pennridge to Cozumel Intl |
| Dimmit County (CZT) | Carrizo Springs | TX | Pennridge to Dimmit County |
| St Andrews/Codroy Valley (DA5) | St Andrews | New | Pennridge to St Andrews/Codroy Valley |
| Daytona Beach International (DAB) | Daytona Beach | FL | Pennridge to Daytona Beach International |
| Dallas Love Field (DAL) | Dallas | TX | Pennridge to Dallas Love Field |
| Danville Regional (DAN) | Danville | VA | Pennridge to Danville Regional |
| Dayton International James M Cox (DAY) | Dayton | OH | Pennridge to Dayton International James M Cox |
| Dublin W H Bud Barron (DBN) | Dublin | GA | Pennridge to Dublin W H Bud Barron |
| Dubuque Regional (DBQ) | Dubuque | IA | Pennridge to Dubuque Regional |
| Pryor Field Regional (DCU) | Decatur | AL | Pennridge to Pryor Field Regional |
| Dodge City Regional (DDC) | Dodge City | KS | Pennridge to Dodge City Regional |
| Decatur (DEC) | Decatur | IL | Pennridge to Decatur |
| Decorah Municipal (DEH) | Decorah | IA | Pennridge to Decorah Municipal |
| Denver International (DEN) | Denver | CO | Pennridge to Denver International |
| Coleman A Young Municipal (DET) | Detroit | MI | Pennridge to Coleman A Young Municipal |
| Defiance Memorial (DFI) | Defiance | OH | Pennridge to Defiance Memorial |
| Dallas-Fort Worth International (DFW) | Dallas | TX | Pennridge to Dallas-Fort Worth International |
| Converse County (DGW) | Douglas | WY | Pennridge to Converse County |
| Dothan Regional (DHN) | Dothan | AL | Pennridge to Dothan Regional |
| Chautauqua County/Dunkirk (DKK) | Dunkirk | NY | Pennridge to Chautauqua County/Dunkirk |
| Duluth International (DLH) | Duluth | MN | Pennridge to Duluth International |
| Dillon County Airport (DLL) | Dillon | SD | Pennridge to Dillon County Airport |
| Sedalia Regional (DMO) | Sedalia | MO | Pennridge to Sedalia Regional |
| Daniel Field (DNL) | Augusta | GA | Pennridge to Daniel Field |
| Dalton Municipal (DNN) | Dalton | GA | Pennridge to Dalton Municipal |
| Denison Municipal (DNS) | Denison | IA | Pennridge to Denison Municipal |
| Vermilion Regional (DNV) | Danville | IL | Pennridge to Vermilion Regional |
| Dupage (DPA) | Chicago | IL | Pennridge to Dupage |
| Drummond Island (DRE) | Drummond Island | MI | Pennridge to Drummond Island |
| Beauregard Regional (DRI) | De Ridder | LA | Pennridge to Beauregard Regional |
| Durango/La Plata County (DRO) | Durango | CO | Pennridge to Durango/La Plata County |
| Del Rio International (DRT) | Del Rio | TX | Pennridge to Del Rio International |
| Destin Executive (DSI) | Destin | FL | Pennridge to Destin Executive |
| Des Moines International (DSM) | Des Moines | IA | Pennridge to Des Moines International |
| Dansville Municipal (DSV) | Dansville | NY | Pennridge to Dansville Municipal |
| Detroit Lakes-Wething Field (DTL) | Detroit Lakes | MN | Pennridge to Detroit Lakes-Wething Field |
| Shreveport Downtown (DTN) | Shreveport | LA | Pennridge to Shreveport Downtown |
| Detroit Metro Wayne County (DTW) | Detroit | MI | Pennridge to Detroit Metro Wayne County |
| Dunnville (DU9) | Dunnville | ON | Pennridge to Dunnville |
| Durant Regional - Eaker Field (DUA) | Durant | OK | Pennridge to Durant Regional - Eaker Field |
| Halliburton Field (DUC) | Duncan | OK | Pennridge to Halliburton Field |
| Dubois Regional (DUJ) | DuBois | PA | Pennridge to Dubois Regional |
| Devils Lake Regional (DVL) | Devils Lake | ND | Pennridge to Devils Lake Regional |
| Davenport Municipal (DVN) | Davenport | IA | Pennridge to Davenport Municipal |
| David Wayne Hooks Memorial (DWH) | Houston | TX | Pennridge to David Wayne Hooks Memorial |
| Danbury Municipal (DXR) | Danbury | CT | Pennridge to Danbury Municipal |
| Phifer Airfield (EAN) | Wheatland | WY | Pennridge to Phifer Airfield |
| Kearney Regional (EAR) | Kearney | NE | Pennridge to Kearney Regional |
| Chippewa Valley Regional (EAU) | Eau Claire | WI | Pennridge to Chippewa Valley Regional |
| Webster City Municipal (EBS) | Webster City | IA | Pennridge to Webster City Municipal |
| Iosco County (ECA) | East Tawas | MI | Pennridge to Iosco County |
| Elizabeth City Regional & Coast Guard Station (ECG) | Elizabeth City | NC | Pennridge to Elizabeth City Regional & Coast Guard Station |
| Northwest Florida Beaches International (ECP) | Panama City | FL | Pennridge to Northwest Florida Beaches International |
| Mondell Field (ECS) | Newcastle | WY | Pennridge to Mondell Field |
| Northeastern Regional (EDE) | Edenton | NC | Pennridge to Northeastern Regional |
| El Dorado/Captain Jack Thomas Memorial (EDK) | El Dorado | KS | Pennridge to El Dorado/Captain Jack Thomas Memorial |
| Dilliant-Hopkins (EEN) | Keene | NH | Pennridge to Dilliant-Hopkins |
| Ellington (EFD) | Houston | TX | Pennridge to Ellington |
| Northeast Kingdom International (EFK) | Newport | VT | Pennridge to Northeast Kingdom International |
| Jefferson Municipal (EFW) | Jefferson | IA | Pennridge to Jefferson Municipal |
| Eagle County Regional (EGE) | Eagle | CO | Pennridge to Eagle County Regional |
| Maverick County Memorial International (EGP) | Eagle Pass | TX | Pennridge to Maverick County Memorial International |
| Eagle River Union (EGV) | Eagle River | WI | Pennridge to Eagle River Union |
| R Terrance B Lettsome Intl (EIS) | Tortola | | Pennridge to R Terrance B Lettsome Intl |
| Elkhart Municipal (EKI) | Elkhart | IN | Pennridge to Elkhart Municipal |
| Elkins/Randolph County (EKN) | Elkins | WV | Pennridge to Elkins/Randolph County |
| Addington Field (EKX) | Elizabethtown | KY | Pennridge to Addington Field |
| Eagle Lake (ELA) | Eagle Lake | TX | Pennridge to Eagle Lake |
| South Arkansas Regional at Goodwin Field (ELD) | El Dorado | AR | Pennridge to South Arkansas Regional at Goodwin Field |
| North Eleuthera (ELH) | Eleuthera Island | | Pennridge to North Eleuthera |
| Elk City Regional Business (ELK) | Elk City | OK | Pennridge to Elk City Regional Business |
| Elmira/Corning Regional (ELM) | Elmira | NY | Pennridge to Elmira/Corning Regional |
| El Paso International (ELP) | El Paso | TX | Pennridge to El Paso International |
| Wellsville Municipal/Tarantine Field (ELZ) | Wellsville | NY | Pennridge to Wellsville Municipal/Tarantine Field |
| Kemmerer Municipal (EMM) | Kemmerer | WY | Pennridge to Kemmerer Municipal |
| Emporia Municipal (EMP) | Emporia | KS | Pennridge to Emporia Municipal |
| Centralia Municipal (ENL) | Centralia | IL | Pennridge to Centralia Municipal |
| Kenosha Regional (ENW) | Kenosha | WI | Pennridge to Kenosha Regional |
| Keokuk Municipal (EOK) | Keokuk | IA | Pennridge to Keokuk Municipal |
| Neosho Hugh Robinson (EOS) | Neosho | MO | Pennridge to Neosho Hugh Robinson |
| Erie International/Tom Ridge Field (ERI) | Erie | PA | Pennridge to Erie International/Tom Ridge Field |
| Kerrville Municipal/Louis Schreiner Field (ERV) | Kerrville | TX | Pennridge to Kerrville Municipal/Louis Schreiner Field |
| Delta County (ESC) | Escanaba | MI | Pennridge to Delta County |
| Esler Regional (ESF) | Alexandria | LA | Pennridge to Esler Regional |
| Easton/Newnam Field (ESN) | Easton | MD | Pennridge to Easton/Newnam Field |
| Ohkay Owingeh (ESO) | Espanola | NM | Pennridge to Ohkay Owingeh |
| Estherville Municipal (EST) | Estherville | IA | Pennridge to Estherville Municipal |
| West Bend Municipal (ETB) | West Bend | WI | Pennridge to West Bend Municipal |
| Eastland Municipal (ETN) | Eastland | TX | Pennridge to Eastland Municipal |
| Enterprise Municipal (ETS) | Enterprise | AL | Pennridge to Enterprise Municipal |
| Weedon Field (EUF) | Eufaula | AL | Pennridge to Weedon Field |
| Eveleth-Virginia Municipal (EVM) | Eveleth | MN | Pennridge to Eveleth-Virginia Municipal |
| Evansville Regional (EVV) | Evansville | IN | Pennridge to Evansville Regional |
| New Bedford Regional (EWB) | New Bedford | MA | Pennridge to New Bedford Regional |
| Newton City County (EWK) | Newton | KS | Pennridge to Newton City County |
| Coastal Carolina Regional (EWN) | New Bern | NC | Pennridge to Coastal Carolina Regional |
| Key West International (EYW) | Key West | FL | Pennridge to Key West International |
| Farmington Regional (FAM) | Farmington | MO | Pennridge to Farmington Regional |
| Hector International Fargo (FAR) | Fargo | ND | Pennridge to Hector International Fargo |
| Fayetteville Regional/Grannis Field (FAY) | Fayetteville | NC | Pennridge to Fayetteville Regional/Grannis Field |
| Faribault Municipal (FBL) | Faribault | MN | Pennridge to Faribault Municipal |
| Fort Bridger Airport (FBR) | Fort Bridger | WY | Pennridge to Fort Bridger Airport |
| Fairbury Municipal (FBY) | Fairbury | NE | Pennridge to Fairbury Municipal |
| Flying Cloud (FCM) | Minneapolis | MN | Pennridge to Flying Cloud |
| Forrest City Municipal (FCY) | Forrest City | AR | Pennridge to Forrest City Municipal |
| Frederick Municipal (FDK) | Frederick | MD | Pennridge to Frederick Municipal |
| Frederick Regional (FDR) | Frederick | OK | Pennridge to Frederick Regional |
| Findlay (FDY) | Findlay | OH | Pennridge to Findlay |
| Albertus (FEP) | Freeport | IL | Pennridge to Albertus |
| Fremont Municipal (FET) | Fremont | NE | Pennridge to Fremont Municipal |
| First Flight (FFA) | Kill Devil Hills | NC | Pennridge to First Flight |
| Fairfield Municipal (FFL) | Fairfield | IA | Pennridge to Fairfield Municipal |
| Fergus Falls Municipal-Einar Mickelson Field (FFM) | Fergus Falls | MN | Pennridge to Fergus Falls Municipal-Einar Mickelson Field |
| Capital City (FFT) | Frankfort | KY | Pennridge to Capital City |
| Fox Harbour (FH4) | Fox Harbour | NS | Pennridge to Fox Harbour |
| Venango Regional (FKL) | Franklin | PA | Pennridge to Venango Regional |
| Franklin Municipal-John Beverly Rose (FKN) | Franklin | VA | Pennridge to Franklin Municipal-John Beverly Rose |
| Fond Du Lac County (FLD) | Fond Du Lac | WI | Pennridge to Fond Du Lac County |
| Fort Lauderdale Hollywood International (FLL) | Fort Lauderdale | FL | Pennridge to Fort Lauderdale Hollywood International |
| Florence Regional (FLO) | Florence | SC | Pennridge to Florence Regional |
| Marion County Regional (FLP) | Flippin | AR | Pennridge to Marion County Regional |
| Sherman Army Airfield (FLV) | Fort Leavenworth | KS | Pennridge to Sherman Army Airfield |
| Fort Meade (Odenton) Tipton (FME) | Fort Meade Odenton | MD | Pennridge to Fort Meade (Odenton) Tipton |
| Four Corners Regional (FMN) | Farmington | NM | Pennridge to Four Corners Regional |
| Fort Madison Municipal (FMS) | Fort Madison | IA | Pennridge to Fort Madison Municipal |
| Page Field (FMY) | Fort Myers | FL | Pennridge to Page Field |
| Northern Colorado Regional (FNL) | Ft Collins/Loveland | CO | Pennridge to Northern Colorado Regional |
| Bishop International (FNT) | Flint | MI | Pennridge to Bishop International |
| Fort Dodge Regional (FOD) | Fort Dodge | IA | Pennridge to Fort Dodge Regional |
| Topeka Regional (FOE) | Topeka | KS | Pennridge to Topeka Regional |
| Francis S Gabreski (FOK) | Westhampton Beach | NY | Pennridge to Francis S Gabreski |
| Grand Bahama International (FPO) | Freeport | | Pennridge to Grand Bahama International |
| Treasure Coast International (FPR) | Fort Pierce | FL | Pennridge to Treasure Coast International |
| Perry-Foley (FPY) | Perry | FL | Pennridge to Perry-Foley |
| Republic Long Island (FRG) | Farmingdale | NY | Pennridge to Republic Long Island |
| French Lick Municipal (FRH) | French Lick | IN | Pennridge to French Lick Municipal |
| Fairmont Municipal (FRM) | Fairmont | MN | Pennridge to Fairmont Municipal |
| Front Royal-Warren County (FRR) | Front Royal | VA | Pennridge to Front Royal-Warren County |
| Eastern Slopes Regional (FRY) | Fryeburg | ME | Pennridge to Eastern Slopes Regional |
| Sioux Falls Regional, Joe Foss Field (FSD) | Sioux Falls | SD | Pennridge to Sioux Falls Regional, Joe Foss Field |
| Fort Scott Municipal (FSK) | Fort Scott | KS | Pennridge to Fort Scott Municipal |
| Fort Smith Regional (FSM) | Fort Smith | AR | Pennridge to Fort Smith Regional |
| Fort Stockton-Pecos County (FST) | Fort Stockton | TX | Pennridge to Fort Stockton-Pecos County |
| Fort Sumner Municipal (FSU) | Fort Sumner | NM | Pennridge to Fort Sumner Municipal |
| Fort Worth Meacham International (FTW) | Fort Worth | TX | Pennridge to Fort Worth Meacham International |
| Fulton County/Brown Field (FTY) | Atlanta | GA | Pennridge to Fulton County/Brown Field |
| Fort Wayne International (FWA) | Fort Wayne | IN | Pennridge to Fort Wayne International |
| Branson West Municipal - Emerson Field (FWB) | Branson West | MO | Pennridge to Branson West Municipal - Emerson Field |
| Fort Lauderdale Executive (FXE) | Fort Lauderdale | FL | Pennridge to Fort Lauderdale Executive |
| Forest City Municipal (FXY) | Forest City | IA | Pennridge to Forest City Municipal |
| Fayetteville Municipal (FYM) | Fayetteville | TN | Pennridge to Fayetteville Municipal |
| Drake Field (FYV) | Fayetteville | AR | Pennridge to Drake Field |
| Northeast Alabama Regional (GAD) | Gadsden | AL | Pennridge to Northeast Alabama Regional |
| Gage (GAG) | Gage | OK | Pennridge to Gage |
| Montgomery County Airpark (GAI) | Gaithersburg | MD | Pennridge to Montgomery County Airpark |
| Great Bend Municipal (GBD) | Great Bend | KS | Pennridge to Great Bend Municipal |
| Galesburg Municipal (GBG) | Galesburg | IL | Pennridge to Galesburg Municipal |
| Gillette-Campbell County (GCC) | Gillette | WY | Pennridge to Gillette-Campbell County |
| Garden City Regional (GCK) | Garden City | KS | Pennridge to Garden City Regional |
| Grand Cayman/Owen Roberts Intl (GCM) | Grand Cayman | | Pennridge to Grand Cayman/Owen Roberts Intl |
| Greeneville-Greene County Municipal (GCY) | Greeneville | TN | Pennridge to Greeneville-Greene County Municipal |
| Donaldson Field (GDC) | Greenville | SC | Pennridge to Donaldson Field |
| Gardner Municipal (GDM) | Gardner | MA | Pennridge to Gardner Municipal |
| Grand Turk (Jags Mccartney) Intl (GDT) | Grand Turk I | | Pennridge to Grand Turk (Jags Mccartney) Intl |
| Dawson Community (GDV) | Glendive | MT | Pennridge to Dawson Community |
| Gladwin Zettel Memorial (GDW) | Gladwin | MI | Pennridge to Gladwin Zettel Memorial |
| Delaware Coastal (GED) | Georgetown | DE | Pennridge to Delaware Coastal |
| South Big Horn County (GEY) | Greybull | WY | Pennridge to South Big Horn County |
| Grand Forks International (GFK) | Grand Forks | ND | Pennridge to Grand Forks International |
| Floyd Bennett Memorial (GFL) | Glens Falls | NY | Pennridge to Floyd Bennett Memorial |
| Georgetown County (GGE) | Georgetown | SC | Pennridge to Georgetown County |
| East Texas Regional (GGG) | Longview | TX | Pennridge to East Texas Regional |
| Exuma International (GGT) | Exuma Islands | | Pennridge to Exuma International |
| Wokal Field/Glasgow International (GGW) | Glasgow | MT | Pennridge to Wokal Field/Glasgow International |
| Eleuthera Island/Governors Harbour Intl (GHB) | Eleuthera Island | | Pennridge to Eleuthera Island/Governors Harbour Intl |
| Great Harbour Cay (GHC) | Berry Islands | | Pennridge to Great Harbour Cay |
| Centerville Municipal (GHM) | Centerville | TN | Pennridge to Centerville Municipal |
| Winter Haven Regional (GIF) | Winter Haven | FL | Pennridge to Winter Haven Regional |
| Grand Junction Regional Walker Field (GJT) | Grand Junction | CO | Pennridge to Grand Junction Regional Walker Field |
| Gatlinburg-Pigeon Forge (GKT) | Sevierville | TN | Pennridge to Gatlinburg-Pigeon Forge |
| Renner Field/Goodland Municipal (GLD) | Goodland | KS | Pennridge to Renner Field/Goodland Municipal |
| Gainesville Municipal (GLE) | Gainesville | TX | Pennridge to Gainesville Municipal |
| Greenville Mid-Delta (GLH) | Greenville | MS | Pennridge to Greenville Mid-Delta |
| Gaylord Regional (GLR) | Gaylord | MI | Pennridge to Gaylord Regional |
| Scholes International at Galveston (GLS) | Galveston | TX | Pennridge to Scholes International at Galveston |
| Glasgow Municipal (GLW) | Glasgow | KY | Pennridge to Glasgow Municipal |
| Greenville Downtown (GMU) | Greenville | SC | Pennridge to Greenville Downtown |
| Grants-Milan Municipal (GNT) | Grants | NM | Pennridge to Grants-Milan Municipal |
| Gainesville Regional (GNV) | Gainesville | FL | Pennridge to Gainesville Regional |
| Guthrie-Edmond Regional (GOK) | Guthrie | OK | Pennridge to Guthrie-Edmond Regional |
| Groton New London (GON) | Groton New London | CT | Pennridge to Groton New London |
| Gulfport-Biloxi International (GPT) | Gulfport | MS | Pennridge to Gulfport-Biloxi International |
| Grand Rapids/Itasca County-Gordon Newstrom Field (GPZ) | Grand Rapids | MN | Pennridge to Grand Rapids/Itasca County-Gordon Newstrom Field |
| Galion Municipal (GQQ) | Galion | OH | Pennridge to Galion Municipal |
| Austin Straubel International (GRB) | Green Bay | WI | Pennridge to Austin Straubel International |
| Greenwood County (GRD) | Greenwood | SC | Pennridge to Greenwood County |
| Greenville (GRE) | Greenville | IL | Pennridge to Greenville |
| Central Nebraska Regional (GRI) | Grand Island | NE | Pennridge to Central Nebraska Regional |
| Killeen/Fort Hood Regional/Robert Gray AAF (GRK) | Killeen | TX | Pennridge to Killeen/Fort Hood Regional/Robert Gray AAF |
| Grand Marais/Cook County (GRM) | Grand Marais | MN | Pennridge to Grand Marais/Cook County |
| Gordon Municipal (GRN) | Gordon | NE | Pennridge to Gordon Municipal |
| Gerald R Ford International (GRR) | Grand Rapids | MI | Pennridge to Gerald R Ford International |
| Goshen Municipal (GSH) | Goshen | IN | Pennridge to Goshen Municipal |
| Piedmont Triad International (GSO) | Greensboro | NC | Pennridge to Piedmont Triad International |
| Greenville Spartanburg International (GSP) | Greer | SC | Pennridge to Greenville Spartanburg International |
| Grantsburg Muni (GTG) | Grantsburg | WI | Pennridge to Grantsburg Muni |
| Golden Triangle Regional (GTR) | Columbus | MS | Pennridge to Golden Triangle Regional |
| Gettysburg Regional (GTY) | Gettysburg | PA | Pennridge to Gettysburg Regional |
| Gunnison/Crested Butte Regional (GUC) | Gunnison | CO | Pennridge to Gunnison/Crested Butte Regional |
| Jack Edwards National (GUF) | Gulf Shores | AL | Pennridge to Jack Edwards National |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Pennridge to Grissom Aeroplex/Arb |
| Guymon Municipal (GUY) | Guymon | OK | Pennridge to Guymon Municipal |
| Lee Gilmer Memorial (GVL) | Gainesville | GA | Pennridge to Lee Gilmer Memorial |
| Majors (GVT) | Greenville | TX | Pennridge to Majors |
| Greenwood Leflore (GWO) | Greenwood | MS | Pennridge to Greenwood Leflore |
| Greeley-Weld County (GXY) | Greeley | CO | Pennridge to Greeley-Weld County |
| Gary/Chicago International (GYY) | GARY | IN | Pennridge to Gary/Chicago International |
| Marion County-Rankin Fite (HAB) | Hamilton | AL | Pennridge to Marion County-Rankin Fite |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Pennridge to Three Rivers Municipal Dr Haines |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | Pennridge to Butler County Regional-Hogan Field |
| Hattiesburg Bobby L Chain Municipal (HBG) | Hattiesburg | MS | Pennridge to Hattiesburg Bobby L Chain Municipal |
| Hobart Regional (HBR) | Hobart | OK | Pennridge to Hobart Regional |
| Big Spring Mc Mahon-Wrinkle (HCA) | Big Spring | TX | Pennridge to Big Spring Mc Mahon-Wrinkle |
| Columbia County (HCC) | Hudson | NY | Pennridge to Columbia County |
| Cheraw Municipal/Lynch Bellinger Field (HCW) | Cheraw | SC | Pennridge to Cheraw Municipal/Lynch Bellinger Field |
| Brewster Field (HDE) | Holdrege | NE | Pennridge to Brewster Field |
| Hayden Yampa Valley Regional (HDN) | Hayden | CO | Pennridge to Hayden Yampa Valley Regional |
| Thompson-Robbins (HEE) | Helena/West Helena | AR | Pennridge to Thompson-Robbins |
| Manassas Regional/Harry P Davis Field (HEF) | Manassas | VA | Pennridge to Manassas Regional/Harry P Davis Field |
| Natchez-Adams County (Hardy-Anders Field) (HEZ) | Natchez | MS | Pennridge to Natchez-Adams County (Hardy-Anders Field) |
| Hartford/Brainard (HFD) | Hartford | CT | Pennridge to Hartford/Brainard |
| Richard A Henson Field/Hagerstown Regional (HGR) | Hagerstown | MD | Pennridge to Richard A Henson Field/Hagerstown Regional |
| Hilton Head (HHH) | Hilton Head Island | SC | Pennridge to Hilton Head |
| Range Regional (HIB) | Hibbing | MN | Pennridge to Range Regional |
| Mount Washington Regional (HIE) | Whitefield | NH | Pennridge to Mount Washington Regional |
| Blytheville Municipal (HKA) | Blytheville | AR | Pennridge to Blytheville Municipal |
| Hawkins Field (HKS) | Jackson | MS | Pennridge to Hawkins Field |
| Hickory Regional (HKY) | Hickory | NC | Pennridge to Hickory Regional |
| Hill City Municipal (HLC) | Hill City | KS | Pennridge to Hill City Municipal |
| Wheeling Ohio County (HLG) | Wheeling | WV | Pennridge to Wheeling Ohio County |
| Park Township (HLM) | Holland | MI | Pennridge to Park Township |
| Huntingburg (HNB) | Huntingburg | IN | Pennridge to Huntingburg |
| Billy Mitchell (HNC) | Hatteras | NC | Pennridge to Billy Mitchell |
| Hobbs/Lea County Regional (HOB) | Hobbs | NM | Pennridge to Hobbs/Lea County Regional |
| Huron Regional (HON) | Huron | SD | Pennridge to Huron Regional |
| Memorial Field (HOT) | Hot Springs | AR | Pennridge to Memorial Field |
| William P Hobby (HOU) | Houston | TX | Pennridge to William P Hobby |
| Hampton Municipal (HPT) | Hampton | IA | Pennridge to Hampton Municipal |
| Baytown (HPY) | Houston | TX | Pennridge to Baytown |
| Valley International (HRL) | Harlingen | TX | Pennridge to Valley International |
| Boone County Regional (HRO) | Harrison | AR | Pennridge to Boone County Regional |
| Harrisburg-Raleigh (HSB) | Harrisburg | IL | Pennridge to Harrisburg-Raleigh |
| Hastings Municipal (HSI) | Hastings | NE | Pennridge to Hastings Municipal |
| Ingalls Field (HSP) | Hot Springs | VA | Pennridge to Ingalls Field |
| Huntsville International/Carl T Jones Field (HSV) | Huntsville | AL | Pennridge to Huntsville International/Carl T Jones Field |
| Roscommon County - Blodgett Memorial (HTL) | Houghton Lake | MI | Pennridge to Roscommon County - Blodgett Memorial |
| East Hampton (HTO) | East Hampton | NY | Pennridge to East Hampton |
| Tri-State Milton J Ferguson Field (HTS) | Huntington | WV | Pennridge to Tri-State Milton J Ferguson Field |
| Huntsville Municipal (HTV) | Huntsville | TX | Pennridge to Huntsville Municipal |
| Lawrence County Airpark (HTW) | Chesapeake | OH | Pennridge to Lawrence County Airpark |
| Humboldt Municipal (HUD) | Humboldt | IA | Pennridge to Humboldt Municipal |
| Terre Haute Regional (HUF) | Terre Haute | IN | Pennridge to Terre Haute Regional |
| Stan Stamper Municipal (HUJ) | Hugo | OK | Pennridge to Stan Stamper Municipal |
| Houlton International (HUL) | Houlton | ME | Pennridge to Houlton International |
| Houma-Terrebonne (HUM) | Houma | LA | Pennridge to Houma-Terrebonne |
| Hutchinson Regional (HUT) | Hutchinson | KS | Pennridge to Hutchinson Regional |
| Tweed/New Haven (HVN) | New Haven | CT | Pennridge to Tweed/New Haven |
| Havre City-County (HVR) | Havre | MT | Pennridge to Havre City-County |
| Hartsville Regional (HVS) | Hartsville | SC | Pennridge to Hartsville Regional |
| North Perry (HWO) | Hollywood | FL | Pennridge to North Perry |
| Barnstable Municipal/Boardman-Polando Field (HYA) | Hyannis | MA | Pennridge to Barnstable Municipal/Boardman-Polando Field |
| San Marcos Regional (HYI) | San Marcos | TX | Pennridge to San Marcos Regional |
| Sawyer County (HYR) | Hayward | WI | Pennridge to Sawyer County |
| Hays Regional (HYS) | Hays | KS | Pennridge to Hays Regional |
| Washington Dulles International (IAD) | Washington | VA | Pennridge to Washington Dulles International |
| Niagara Falls International (IAG) | Niagara Falls | NY | Pennridge to Niagara Falls International |
| George Bush Intercontinental Houston (IAH) | Houston | TX | Pennridge to George Bush Intercontinental Houston |
| Schenck Field (ICL) | Clarinda | IA | Pennridge to Schenck Field |
| Wichita Eisenhower National (ICT) | Wichita | KS | Pennridge to Wichita Eisenhower National |
| Ida Grove Municipal (IDG) | Ida Grove | IA | Pennridge to Ida Grove Municipal |
| Indiana County/Jimmy Stewart Field (IDI) | Indiana | PA | Pennridge to Indiana County/Jimmy Stewart Field |
| Independence Municipal (IDP) | Independence | KS | Pennridge to Independence Municipal |
| Iowa Falls Municipal (IFA) | Iowa Falls | IA | Pennridge to Iowa Falls Municipal |
| Great Inagua Island/Matthew Town (IGA) | Great Inagua Island | | Pennridge to Great Inagua Island/Matthew Town |
| Jacksonville Municipal (IJX) | Jacksonville | IL | Pennridge to Jacksonville Municipal |
| Wilkes County (IKB) | N Wilkesboro | NC | Pennridge to Wilkes County |
| Greater Kankakee (IKK) | Kankakee | IL | Pennridge to Greater Kankakee |
| Skylark Field Killeen (ILE) | Killeen | TX | Pennridge to Skylark Field Killeen |
| Willmar Municipal/John L Rice Field (ILL) | Willmar | MN | Pennridge to Willmar Municipal/John L Rice Field |
| Wilmington International (ILM) | Wilmington | NC | Pennridge to Wilmington International |
| Wilmington Airpark (ILN) | Wilmington | OH | Pennridge to Wilmington Airpark |
| Imperial Municipal (IML) | Imperial | NE | Pennridge to Imperial Municipal |
| Immokalee Regional (IMM) | Immokalee | FL | Pennridge to Immokalee Regional |
| Ford (IMT) | Iron Mountain | MI | Pennridge to Ford |
| Indianapolis International (IND) | Indianapolis | IN | Pennridge to Indianapolis International |
| Winkler County (INK) | Wink | TX | Pennridge to Winkler County |
| Falls Intl-Einarson Field (INL) | International Falls | MN | Pennridge to Falls Intl-Einarson Field |
| Smith Reynolds (INT) | Winston-Salem | NC | Pennridge to Smith Reynolds |
| Iowa City Municipal (IOW) | Iowa City | IA | Pennridge to Iowa City Municipal |
| Williamsport Regional (IPT) | Williamsport | PA | Pennridge to Williamsport Regional |
| Iraan Municipal (IRB) | Iraan | TX | Pennridge to Iraan Municipal |
| Kirksville Regional (IRK) | Kirksville | MO | Pennridge to Kirksville Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Pennridge to Kirsch Municipal |
| Kissimmee Gateway (ISM) | Orlando | FL | Pennridge to Kissimmee Gateway |
| Williston/Sloulin Field International (ISN) | Williston | ND | Pennridge to Williston/Sloulin Field International |
| Jackson Hole (JAC) | Jackson | WY | Pennridge to Jackson Hole |
| Jackson/Evers International (JAN) | Jackson | MS | Pennridge to Jackson/Evers International |
| Jasper County-Bell Field (JAS) | Jasper | TX | Pennridge to Jasper County-Bell Field |
| Jacksonville International (JAX) | Jacksonville | FL | Pennridge to Jacksonville International |
| Jonesboro Municipal (JBR) | Jonesboro | AR | Pennridge to Jonesboro Municipal |
| New Century Aircenter (JCI) | Olathe | KS | Pennridge to New Century Aircenter |
| Kimble County (JCT) | Junction | TX | Pennridge to Kimble County |
| Jordan (JDN) | Jordan | MT | Pennridge to Jordan |
| Jefferson City Memorial (JEF) | Jefferson City | MO | Pennridge to Jefferson City Memorial |
| Northeast Ohio Regional (JFN) | Ashtabula | OH | Pennridge to Northeast Ohio Regional |
| Chautauqua County/Jamestown (JHW) | Jamestown | NY | Pennridge to Chautauqua County/Jamestown |
| Cherokee County (JKV) | Jacksonville | TX | Pennridge to Cherokee County |
| Joplin Regional (JLN) | Joplin | MO | Pennridge to Joplin Regional |
| Jamestown Regional (JMS) | Jamestown | ND | Pennridge to Jamestown Regional |
| Joliet Regional Airport (JOT) | Joliet | IL | Pennridge to Joliet Regional Airport |
| John Murtha Johnstown/Cambria County (JST) | Johnstown | PA | Pennridge to John Murtha Johnstown/Cambria County |
| Souther Wisconsin Regional (JVL) | Janesville | WI | Pennridge to Souther Wisconsin Regional |
| Jackson County/Reynolds Field (JXN) | Jackson | MI | Pennridge to Jackson County/Reynolds Field |
| Williams County (K0G6) | Bryan | OH | Pennridge to Williams County |
| Finger Lakes Regional (K0G7) | Seneca Falls | NY | Pennridge to Finger Lakes Regional |
| Brenham Municipal (K11) | Brenham | TX | Pennridge to Brenham Municipal |
| Mansfield Municipal (K1B9) | Mansfield | MA | Pennridge to Mansfield Municipal |
| Wood County Regional (K1G0) | Bowling Green | OH | Pennridge to Wood County Regional |
| Kent State University (K1G3) | Kent | OH | Pennridge to Kent State University |
| Medina Municipal (K1G5) | Medina | OH | Pennridge to Medina Municipal |
| Creve Coeur (K1H0) | St Louis | MO | Pennridge to Creve Coeur |
| Effingham County Memorial (K1H2) | Effingham | IL | Pennridge to Effingham County Memorial |
| Kingston-Ulster (K20N) | Kingston | NY | Pennridge to Kingston-Ulster |
| Shelby County (K2H0) | Shelbyville | IL | Pennridge to Shelby County |
| Maryland (K2W5) | Indian Head | MD | Pennridge to Maryland |
| Lake In The Hills (K3CK) | Chicago | IL | Pennridge to Lake In The Hills |
| Greene County Regional (K3J7) | Greensboro | GA | Pennridge to Greene County Regional |
| Mount Hawley Auxiliary (K3MY) | Peoria | IL | Pennridge to Mount Hawley Auxiliary |
| Scottsboro Municipal-Word Field (K4A6) | Scottsboro | AL | Pennridge to Scottsboro Municipal-Word Field |
| Ticonderoga Municipal (K4B6) | Ticonderoga | NY | Pennridge to Ticonderoga Municipal |
| Youngstown Elser Metro (K4G4) | Youngstown | OH | Pennridge to Youngstown Elser Metro |
| Spanish Peaks Airfield (K4V1) | Walsenburg | CO | Pennridge to Spanish Peaks Airfield |
| Saratoga County (K5B2) | Saratoga Springs | NY | Pennridge to Saratoga County |
| Odell Williamson Municipal (K60J) | Ocean Isle Beach | NC | Pennridge to Odell Williamson Municipal |
| Middlebury State Airport (K6B0) | Middlebury | VT | Pennridge to Middlebury State Airport |
| Skaneateles (K6B9) | Skaneateles | NY | Pennridge to Skaneateles |
| Northampton (K7B2) | Northampton | MA | Pennridge to Northampton |
| Skylark Airpark (K7B6) | Warehouse Point | CT | Pennridge to Skylark Airpark |
| Bearce (K7M3) | Mount Ida | AR | Pennridge to Bearce |
| Ferguson Airport (K82J) | Pensacola | FL | Pennridge to Ferguson Airport |
| Spicewood (K88R) | Spicewood | TX | Pennridge to Spicewood |
| Paul C. Miller-Sparta (K8D4) | Sparta | MI | Pennridge to Paul C. Miller-Sparta |
| Wichita Col James Jabara (KAAO) | Wichita | KS | Pennridge to Wichita Col James Jabara |
| Anoka County-Blaine (Janes Field) (KANE) | Minneapolis | MN | Pennridge to Anoka County-Blaine (Janes Field) |
| Slidell (KASD) | Slidell | LA | Pennridge to Slidell |
| Biddeford Municipal (KB19) | Biddeford | ME | Pennridge to Biddeford Municipal |
| Huron County Memorial (KBAX) | Bad Axe | MI | Pennridge to Huron County Memorial |
| Brooksville-Tampa Bay Regional (KBKV) | Brooksville | FL | Pennridge to Brooksville-Tampa Bay Regional |
| Buffalo-Lancaster Regional (KBQR) | Lancaster | NY | Pennridge to Buffalo-Lancaster Regional |
| Belfast Municipal (KBST) | Belfast | ME | Pennridge to Belfast Municipal |
| Burlington Municipal (KBUU) | Burlington | WI | Pennridge to Burlington Municipal |
| Burlington-Alamance Regional (KBUY) | Burlington | NC | Pennridge to Burlington-Alamance Regional |
| Mineral County Memorial (KC24) | Creede | CO | Pennridge to Mineral County Memorial |
| Newnan Coweta County (KCCO) | Atlanta | GA | Pennridge to Newnan Coweta County |
| Cambridge Municipal (KCDI) | Cambridge | OH | Pennridge to Cambridge Municipal |
| Front Range (KCFO) | Denver | CO | Pennridge to Front Range |
| Crystal River (KCGC) | Crystal River | FL | Pennridge to Crystal River |
| Cherokee County Regional (KCNI) | Canton | GA | Pennridge to Cherokee County Regional |
| Chesapeake Regional (KCPK) | Norfolk | VA | Pennridge to Chesapeake Regional |
| Chatham Municipal (KCQX) | Chatham | MA | Pennridge to Chatham Municipal |
| West Georgia Regional - O V Gray Field (KCTJ) | Carrollton | GA | Pennridge to West Georgia Regional - O V Gray Field |
| Custer County (KCUT) | Custer | SD | Pennridge to Custer County |
| Charlevoix Municipal (KCVX) | Charlevoix | MI | Pennridge to Charlevoix Municipal |
| Eagle Creek Airpark (KEYE) | Indianapolis | IN | Pennridge to Eagle Creek Airpark |
| Kewanee Municipal (KEZI) | Kewanee | IL | Pennridge to Kewanee Municipal |
| North Palm Beach County General Aviation (KF45) | West Palm Beach | FL | Pennridge to North Palm Beach County General Aviation |
| Atlanta Regional/Falcon Field (KFFC) | Atlanta | GA | Pennridge to Atlanta Regional/Falcon Field |
| Fernandina Beach Municipal (KFHB) | Fernandina Beach | FL | Pennridge to Fernandina Beach Municipal |
| Genesee County (KGVQ) | Batavia | NY | Pennridge to Genesee County |
| Hammond Northshore Regional (KHDC) | Hammond |
