| Apalachicola Regional (AAF) | Apalachicola | FL | Tullahoma Regional William Northern Field to Apalachicola Regional |
| Southwest Georgia Regional (ABY) | Albany | GA | Tullahoma Regional William Northern Field to Southwest Georgia Regional |
| Augusta Regional/Bush Field (AGS) | Augusta | GA | Tullahoma Regional William Northern Field to Augusta Regional/Bush Field |
| Athens/Ben Epps (AHN) | Athens | GA | Tullahoma Regional William Northern Field to Athens/Ben Epps |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | Tullahoma Regional William Northern Field to Anderson Municipal-Darlington Field |
| Aiken Municipal (AIK) | Aiken | SC | Tullahoma Regional William Northern Field to Aiken Municipal |
| George Downer (AIV) | Aliceville | AL | Tullahoma Regional William Northern Field to George Downer |
| Lee C Fine Memorial (AIZ) | KAISER/LAKE OZARK | MO | Tullahoma Regional William Northern Field to Lee C Fine Memorial |
| St Louis Regional (ALN) | Alton | IL | Tullahoma Regional William Northern Field to St Louis Regional |
| Thomas C Russell Field (ALX) | Alexander City | AL | Tullahoma Regional William Northern Field to Thomas C Russell Field |
| Anniston Regional (ANB) | Anniston | AL | Tullahoma Regional William Northern Field to Anniston Regional |
| Anderson Regional (AND) | Anderson | SC | Tullahoma Regional William Northern Field to Anderson Regional |
| Lima Allen County (AOH) | Lima | OH | Tullahoma Regional William Northern Field to Lima Allen County |
| Marion County-Brown Field (APT) | Jasper | TN | Tullahoma Regional William Northern Field to Marion County-Brown Field |
| Walnut Ridge (ARG) | Walnut Ridge | AR | Tullahoma Regional William Northern Field to Walnut Ridge |
| Talladega Municipal (ASN) | Talladega | AL | Tullahoma Regional William Northern Field to Talladega Municipal |
| Hartsfield Jackson Atlanta International (ATL) | Atlanta | GA | Tullahoma Regional William Northern Field to Hartsfield Jackson Atlanta International |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | Tullahoma Regional William Northern Field to Gordon K Bush Ohio University |
| Auburn University Regional (AUO) | Auburn | AL | Tullahoma Regional William Northern Field to Auburn University Regional |
| Asheville Regional (AVL) | Asheville | NC | Tullahoma Regional William Northern Field to Asheville Regional |
| West Memphis Municipal (AWM) | West Memphis | AR | Tullahoma Regional William Northern Field to West Memphis Municipal |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | Tullahoma Regional William Northern Field to Auglaize County Neil Armstrong |
| Waycross-Ware County (AYS) | Waycross | GA | Tullahoma Regional William Northern Field to Waycross-Ware County |
| Virginia Tech Montgomery Executive (BCB) | Blacksburg | VA | Tullahoma Regional William Northern Field to Virginia Tech Montgomery Executive |
| Mobile Downtown (BFM) | Mobile | AL | Tullahoma Regional William Northern Field to Mobile Downtown |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | Tullahoma Regional William Northern Field to Virgil I Grissom Municipal |
| Beaufort County (BFT) | Beaufort | SC | Tullahoma Regional William Northern Field to Beaufort County |
| Decatur County Industrial Air Park (BGE) | Bainbridge | GA | Tullahoma Regional William Northern Field to Decatur County Industrial Air Park |
| Birmingham-Shuttlesworth International (BHM) | Birmingham | AL | Tullahoma Regional William Northern Field to Birmingham-Shuttlesworth International |
| Branson (BKG) | Branson | MO | Tullahoma Regional William Northern Field to Branson |
| Raleigh County Memorial (BKW) | Beckley | WV | Tullahoma Regional William Northern Field to Raleigh County Memorial |
| Mercer County (BLF) | Bluefield | WV | Tullahoma Regional William Northern Field to Mercer County |
| MidAmerica St Louis Scott AFB (BLV) | Belleville | IL | Tullahoma Regional William Northern Field to MidAmerica St Louis Scott AFB |
| Monroe County (BMG) | Bloomington | IN | Tullahoma Regional William Northern Field to Monroe County |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | Tullahoma Regional William Northern Field to Central Illinois Regional at Bloomington Normal |
| Nashville International (BNA) | Nashville | TN | Tullahoma Regional William Northern Field to Nashville International |
| Barnwell Regional (BNL) | Barnwell | SC | Tullahoma Regional William Northern Field to Barnwell Regional |
| Brunswick Golden Isles (BQK) | Brunswick | GA | Tullahoma Regional William Northern Field to Brunswick Golden Isles |
| Samuels Field (BRY) | Bardstown | KY | Tullahoma Regional William Northern Field to Samuels Field |
| Marlboro County Jetport - H.E. Avent Field (BTN) | Bennettsville | SC | Tullahoma Regional William Northern Field to Marlboro County Jetport - H.E. Avent Field |
| Batesville Regional (BVX) | Batesville | AR | Tullahoma Regional William Northern Field to Batesville Regional |
| Bowling Green Warren County Regional (BWG) | Bowling Green | KY | Tullahoma Regional William Northern Field to Bowling Green Warren County Regional |
| George R Carr Memorial Airfield (BXA) | Bogalusa | LA | Tullahoma Regional William Northern Field to George R Carr Memorial Airfield |
| Arkansas International (BYH) | Blytheville | AR | Tullahoma Regional William Northern Field to Arkansas International |
| Columbia Metropolitan (CAE) | Columbia | SC | Tullahoma Regional William Northern Field to Columbia Metropolitan |
| Clinton Municipal (CCA) | Clinton | AR | Tullahoma Regional William Northern Field to Clinton Municipal |
| Harrell Field (CDH) | Camden | AR | Tullahoma Regional William Northern Field to Harrell Field |
| Woodward Field (CDN) | Camden | SC | Tullahoma Regional William Northern Field to Woodward Field |
| Oconee County Regional (CEU) | Clemson | SC | Tullahoma Regional William Northern Field to Oconee County Regional |
| Mettel Field (CEV) | Connersville | IN | Tullahoma Regional William Northern Field to Mettel Field |
| Bob Sikes (CEW) | Crestview | FL | Tullahoma Regional William Northern Field to Bob Sikes |
| Kyle-Oakley Field (CEY) | Murray | KY | Tullahoma Regional William Northern Field to Kyle-Oakley Field |
| Cape Girardeau Regional (CGI) | Cape Girardeau | MO | Tullahoma Regional William Northern Field to Cape Girardeau Regional |
| Lovell Field (CHA) | Chattanooga | TN | Tullahoma Regional William Northern Field to Lovell Field |
| Charleston International/Afb (CHS) | Charleston | SC | Tullahoma Regional William Northern Field to Charleston International/Afb |
| Cairo Regional (CIR) | Cairo | IL | Tullahoma Regional William Northern Field to Cairo Regional |
| Fletcher Field (CKM) | Clarksdale | MS | Tullahoma Regional William Northern Field to Fletcher Field |
| Outlaw Field (CKV) | Clarksville | TN | Tullahoma Regional William Northern Field to Outlaw Field |
| Charlotte Douglas International (CLT) | Charlotte | NC | Tullahoma Regional William Northern Field to Charlotte Douglas International |
| Columbus Municipal (CLU) | Columbus | IN | Tullahoma Regional William Northern Field to Columbus Municipal |
| John Glenn International (CMH) | Columbus | OH | Tullahoma Regional William Northern Field to John Glenn International |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | Tullahoma Regional William Northern Field to University of Illinois-Willard |
| Columbia Regional (COU) | Columbia | MO | Tullahoma Regional William Northern Field to Columbia Regional |
| St Louis Downtown (CPS) | Cahokia/St Louis | IL | Tullahoma Regional William Northern Field to St Louis Downtown |
| Z M Jack Stell Field (CRT) | Crossett | AR | Tullahoma Regional William Northern Field to Z M Jack Stell Field |
| Yeager (CRW) | Charleston | WV | Tullahoma Regional William Northern Field to Yeager |
| Roscoe Turner (CRX) | Corinth | MS | Tullahoma Regional William Northern Field to Roscoe Turner |
| Columbus Metropolitan (CSG) | Columbus | GA | Tullahoma Regional William Northern Field to Columbus Metropolitan |
| Crossville Memorial/Whitson Field (CSV) | Crossville | TN | Tullahoma Regional William Northern Field to Crossville Memorial/Whitson Field |
| Jim Hamilton L.B. Owens (CUB) | Columbia | SC | Tullahoma Regional William Northern Field to Jim Hamilton L.B. Owens |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | Tullahoma Regional William Northern Field to Cincinnati Northern Kentucky International |
| Danville Regional (DAN) | Danville | VA | Tullahoma Regional William Northern Field to Danville Regional |
| Dayton International James M Cox (DAY) | Dayton | OH | Tullahoma Regional William Northern Field to Dayton International James M Cox |
| Dublin W H Bud Barron (DBN) | Dublin | GA | Tullahoma Regional William Northern Field to Dublin W H Bud Barron |
| Pryor Field Regional (DCU) | Decatur | AL | Tullahoma Regional William Northern Field to Pryor Field Regional |
| Decatur (DEC) | Decatur | IL | Tullahoma Regional William Northern Field to Decatur |
| Dothan Regional (DHN) | Dothan | AL | Tullahoma Regional William Northern Field to Dothan Regional |
| Dillon County Airport (DLL) | Dillon | SD | Tullahoma Regional William Northern Field to Dillon County Airport |
| Daniel Field (DNL) | Augusta | GA | Tullahoma Regional William Northern Field to Daniel Field |
| Dalton Municipal (DNN) | Dalton | GA | Tullahoma Regional William Northern Field to Dalton Municipal |
| Vermilion Regional (DNV) | Danville | IL | Tullahoma Regional William Northern Field to Vermilion Regional |
| Destin Executive (DSI) | Destin | FL | Tullahoma Regional William Northern Field to Destin Executive |
| Northwest Florida Beaches International (ECP) | Panama City | FL | Tullahoma Regional William Northern Field to Northwest Florida Beaches International |
| Addington Field (EKX) | Elizabethtown | KY | Tullahoma Regional William Northern Field to Addington Field |
| South Arkansas Regional at Goodwin Field (ELD) | El Dorado | AR | Tullahoma Regional William Northern Field to South Arkansas Regional at Goodwin Field |
| Centralia Municipal (ENL) | Centralia | IL | Tullahoma Regional William Northern Field to Centralia Municipal |
| Enterprise Municipal (ETS) | Enterprise | AL | Tullahoma Regional William Northern Field to Enterprise Municipal |
| Weedon Field (EUF) | Eufaula | AL | Tullahoma Regional William Northern Field to Weedon Field |
| Evansville Regional (EVV) | Evansville | IN | Tullahoma Regional William Northern Field to Evansville Regional |
| Farmington Regional (FAM) | Farmington | MO | Tullahoma Regional William Northern Field to Farmington Regional |
| Forrest City Municipal (FCY) | Forrest City | AR | Tullahoma Regional William Northern Field to Forrest City Municipal |
| Capital City (FFT) | Frankfort | KY | Tullahoma Regional William Northern Field to Capital City |
| Florence Regional (FLO) | Florence | SC | Tullahoma Regional William Northern Field to Florence Regional |
| Marion County Regional (FLP) | Flippin | AR | Tullahoma Regional William Northern Field to Marion County Regional |
| Perry-Foley (FPY) | Perry | FL | Tullahoma Regional William Northern Field to Perry-Foley |
| French Lick Municipal (FRH) | French Lick | IN | Tullahoma Regional William Northern Field to French Lick Municipal |
| Fulton County/Brown Field (FTY) | Atlanta | GA | Tullahoma Regional William Northern Field to Fulton County/Brown Field |
| Fort Wayne International (FWA) | Fort Wayne | IN | Tullahoma Regional William Northern Field to Fort Wayne International |
| Northeast Alabama Regional (GAD) | Gadsden | AL | Tullahoma Regional William Northern Field to Northeast Alabama Regional |
| Greeneville-Greene County Municipal (GCY) | Greeneville | TN | Tullahoma Regional William Northern Field to Greeneville-Greene County Municipal |
| Donaldson Field (GDC) | Greenville | SC | Tullahoma Regional William Northern Field to Donaldson Field |
| Centerville Municipal (GHM) | Centerville | TN | Tullahoma Regional William Northern Field to Centerville Municipal |
| Gatlinburg-Pigeon Forge (GKT) | Sevierville | TN | Tullahoma Regional William Northern Field to Gatlinburg-Pigeon Forge |
| Greenville Mid-Delta (GLH) | Greenville | MS | Tullahoma Regional William Northern Field to Greenville Mid-Delta |
| Glasgow Municipal (GLW) | Glasgow | KY | Tullahoma Regional William Northern Field to Glasgow Municipal |
| Greenville Downtown (GMU) | Greenville | SC | Tullahoma Regional William Northern Field to Greenville Downtown |
| Gulfport-Biloxi International (GPT) | Gulfport | MS | Tullahoma Regional William Northern Field to Gulfport-Biloxi International |
| Greenwood County (GRD) | Greenwood | SC | Tullahoma Regional William Northern Field to Greenwood County |
| Greenville (GRE) | Greenville | IL | Tullahoma Regional William Northern Field to Greenville |
| Piedmont Triad International (GSO) | Greensboro | NC | Tullahoma Regional William Northern Field to Piedmont Triad International |
| Greenville Spartanburg International (GSP) | Greer | SC | Tullahoma Regional William Northern Field to Greenville Spartanburg International |
| Golden Triangle Regional (GTR) | Columbus | MS | Tullahoma Regional William Northern Field to Golden Triangle Regional |
| Jack Edwards (GUF) | Gulf Shores | AL | Tullahoma Regional William Northern Field to Jack Edwards |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Tullahoma Regional William Northern Field to Grissom Aeroplex/Arb |
| Lee Gilmer Memorial (GVL) | Gainesville | GA | Tullahoma Regional William Northern Field to Lee Gilmer Memorial |
| Greenwood Leflore (GWO) | Greenwood | MS | Tullahoma Regional William Northern Field to Greenwood Leflore |
| Marion County-Rankin Fite (HAB) | Hamilton | AL | Tullahoma Regional William Northern Field to Marion County-Rankin Fite |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | Tullahoma Regional William Northern Field to Butler County Regional-Hogan Field |
| Hattiesburg Bobby L Chain Municipal (HBG) | Hattiesburg | MS | Tullahoma Regional William Northern Field to Hattiesburg Bobby L Chain Municipal |
| Cheraw Municipal/Lynch Bellinger Field (HCW) | Cheraw | SC | Tullahoma Regional William Northern Field to Cheraw Municipal/Lynch Bellinger Field |
| Thompson-Robbins (HEE) | Helena/West Helena | AR | Tullahoma Regional William Northern Field to Thompson-Robbins |
| Natchez-Adams County (Hardy-Anders Field) (HEZ) | Natchez | MS | Tullahoma Regional William Northern Field to Natchez-Adams County (Hardy-Anders Field) |
| Hilton Head (HHH) | Hilton Head Island | SC | Tullahoma Regional William Northern Field to Hilton Head |
| Blytheville Municipal (HKA) | Blytheville | AR | Tullahoma Regional William Northern Field to Blytheville Municipal |
| Hawkins Field (HKS) | Jackson | MS | Tullahoma Regional William Northern Field to Hawkins Field |
| Hickory Regional (HKY) | Hickory | NC | Tullahoma Regional William Northern Field to Hickory Regional |
| Huntingburg (HNB) | Huntingburg | IN | Tullahoma Regional William Northern Field to Huntingburg |
| Memorial Field (HOT) | Hot Springs | AR | Tullahoma Regional William Northern Field to Memorial Field |
| Boone County Regional (HRO) | Harrison | AR | Tullahoma Regional William Northern Field to Boone County Regional |
| Harrisburg-Raleigh (HSB) | Harrisburg | IL | Tullahoma Regional William Northern Field to Harrisburg-Raleigh |
| Ingalls Field (HSP) | Hot Springs | VA | Tullahoma Regional William Northern Field to Ingalls Field |
| Huntsville International/Carl T Jones Field (HSV) | Huntsville | AL | Tullahoma Regional William Northern Field to Huntsville International/Carl T Jones Field |
| Tri-State Milton J Ferguson Field (HTS) | Huntington | WV | Tullahoma Regional William Northern Field to Tri-State Milton J Ferguson Field |
| Lawrence County Airpark (HTW) | Chesapeake | OH | Tullahoma Regional William Northern Field to Lawrence County Airpark |
| Terre Haute Regional/Hulman Field (HUF) | Terre Haute | IN | Tullahoma Regional William Northern Field to Terre Haute Regional/Hulman Field |
| Hartsville Regional (HVS) | Hartsville | SC | Tullahoma Regional William Northern Field to Hartsville Regional |
| Jacksonville Municipal (IJX) | Jacksonville | IL | Tullahoma Regional William Northern Field to Jacksonville Municipal |
| Wilkes County (IKB) | N Wilkesboro | NC | Tullahoma Regional William Northern Field to Wilkes County |
| Wilmington Airpark (ILN) | Wilmington | OH | Tullahoma Regional William Northern Field to Wilmington Airpark |
| Indianapolis International (IND) | Indianapolis | IN | Tullahoma Regional William Northern Field to Indianapolis International |
| Smith Reynolds (INT) | Winston-Salem | NC | Tullahoma Regional William Northern Field to Smith Reynolds |
| Jackson/Evers International (JAN) | Jackson | MS | Tullahoma Regional William Northern Field to Jackson/Evers International |
| Jonesboro Municipal (JBR) | Jonesboro | AR | Tullahoma Regional William Northern Field to Jonesboro Municipal |
| Jefferson City Memorial (JEF) | Jefferson City | MO | Tullahoma Regional William Northern Field to Jefferson City Memorial |
| Kentland Municipal (KKT) | Kentland | IN | Tullahoma Regional William Northern Field to Kentland Municipal |
| Kennett Memorial (KNT) | Kennett | MO | Tullahoma Regional William Northern Field to Kennett Memorial |
| Purdue University (LAF) | Lafayette | IN | Tullahoma Regional William Northern Field to Purdue University |
| Rickenbacker International (LCK) | Columbus | OH | Tullahoma Regional William Northern Field to Rickenbacker International |
| Blue Grass (LEX) | Lexington | KY | Tullahoma Regional William Northern Field to Blue Grass |
| Lagrange-Callaway (LGC) | Lagrange | GA | Tullahoma Regional William Northern Field to Lagrange-Callaway |
| Bill & Hillary Clinton National/Adams Field (LIT) | Little Rock | AR | Tullahoma Regional William Northern Field to Bill & Hillary Clinton National/Adams Field |
| Midcoast Regional at Wright Army (LIY) | Hinesville | GA | Tullahoma Regional William Northern Field to Midcoast Regional at Wright Army |
| Louisville Winston County (LMS) | Louisville | MS | Tullahoma Regional William Northern Field to Louisville Winston County |
| Lonesome Pine (LNP) | Wise | VA | Tullahoma Regional William Northern Field to Lonesome Pine |
| Bowman Field (LOU) | Louisville | KY | Tullahoma Regional William Northern Field to Bowman Field |
| London Corbin Magee Field (LOZ) | London | KY | Tullahoma Regional William Northern Field to London Corbin Magee Field |
| Pickens County (LQK) | Pickens | SC | Tullahoma Regional William Northern Field to Pickens County |
| Cincinnati Municipal Lunken (LUK) | Cincinnati | OH | Tullahoma Regional William Northern Field to Cincinnati Municipal Lunken |
| Hesler-Noble Field (LUL) | Laurel | MS | Tullahoma Regional William Northern Field to Hesler-Noble Field |
| Greenbrier Valley (LWB) | Lewisburg | WV | Tullahoma Regional William Northern Field to Greenbrier Valley |
| Lawrenceville-Vincennes International (LWV) | Lawrenceville | IL | Tullahoma Regional William Northern Field to Lawrenceville-Vincennes International |
| Briscoe Field/Gwinnett County (LZU) | Lawrenceville | GA | Tullahoma Regional William Northern Field to Briscoe Field/Gwinnett County |
| Macon Downtown (MAC) | Macon | GA | Tullahoma Regional William Northern Field to Macon Downtown |
| Malden Regional (MAW) | Malden | MO | Tullahoma Regional William Northern Field to Malden Regional |
| McComb-Pike County/John E Lewis Field (MCB) | Mc Comb | MS | Tullahoma Regional William Northern Field to McComb-Pike County/John E Lewis Field |
| Middle Georgia Regional (MCN) | Macon | GA | Tullahoma Regional William Northern Field to Middle Georgia Regional |
| Southern Illinois (MDH) | Carbondale/Murphysboro | IL | Tullahoma Regional William Northern Field to Southern Illinois |
| Madison Municipal (MDN) | Madison | IN | Tullahoma Regional William Northern Field to Madison Municipal |
| Meridian/Key Field (MEI) | Meridian | MS | Tullahoma Regional William Northern Field to Meridian/Key Field |
| Memphis International (MEM) | Memphis | TN | Tullahoma Regional William Northern Field to Memphis International |
| Montgomery Regional/Dannelly Field (MGM) | Montgomery | AL | Tullahoma Regional William Northern Field to Montgomery Regional/Dannelly Field |
| Moultrie Municipal (MGR) | Moultrie | GA | Tullahoma Regional William Northern Field to Moultrie Municipal |
| Dayton-Wright Brothers (MGY) | Dayton | OH | Tullahoma Regional William Northern Field to Dayton-Wright Brothers |
| Delaware County Regional (MIE) | Muncie | IN | Tullahoma Regional William Northern Field to Delaware County Regional |
| Mckellar Sipes Regional (MKL) | Jackson | TN | Tullahoma Regional William Northern Field to Mckellar Sipes Regional |
| Baldwin County (MLJ) | Milledgeville | GA | Tullahoma Regional William Northern Field to Baldwin County |
| Monroe Regional (MLU) | Monroe | LA | Tullahoma Regional William Northern Field to Monroe Regional |
| Mcminn County (MMI) | Athens | TN | Tullahoma Regional William Northern Field to Mcminn County |
| Marks/Selfs (MMS) | Marks | MS | Tullahoma Regional William Northern Field to Marks/Selfs |
| Marion Municipal (MNN) | Marion | OH | Tullahoma Regional William Northern Field to Marion Municipal |
| Mobile Regional (MOB) | Mobile | AL | Tullahoma Regional William Northern Field to Mobile Regional |
| Moore-Murrell (MOR) | Morristown | TN | Tullahoma Regional William Northern Field to Moore-Murrell |
| Petit Jean Park (MPJ) | Morrilton | AR | Tullahoma Regional William Northern Field to Petit Jean Park |
| Telfair-Wheeler (MQW) | Mc Rae | GA | Tullahoma Regional William Northern Field to Telfair-Wheeler |
| Smyrna (MQY) | Smyrna | TN | Tullahoma Regional William Northern Field to Smyrna |
| Maury County (MRC) | Columbia | TN | Tullahoma Regional William Northern Field to Maury County |
| Foothills Regional (MRN) | Morganton | NC | Tullahoma Regional William Northern Field to Foothills Regional |
| Northwest Alabama Regional (MSL) | Muscle Shoals | AL | Tullahoma Regional William Northern Field to Northwest Alabama Regional |
| Coles County Memorial (MTO) | Mattoon/Charleston | IL | Tullahoma Regional William Northern Field to Coles County Memorial |
| Spence (MUL) | Moultrie | GA | Tullahoma Regional William Northern Field to Spence |
| Monroe County Aeroplex (MVC) | Monroeville | AL | Tullahoma Regional William Northern Field to Monroe County Aeroplex |
| Mount Vernon (MVN) | Mount Vernon | IL | Tullahoma Regional William Northern Field to Mount Vernon |
| Williamson County Rgnl (MWA) | Marion | IL | Tullahoma Regional William Northern Field to Williamson County Rgnl |
| Middletown Regional - Hook Field (MWO) | Middletown | OH | Tullahoma Regional William Northern Field to Middletown Regional - Hook Field |
| Manila Municipal (MXA) | Manila | AR | Tullahoma Regional William Northern Field to Manila Municipal |
| Laurinburg-Maxton (MXE) | Maxton | NC | Tullahoma Regional William Northern Field to Laurinburg-Maxton |
| Marion Municipal (MZZ) | Marion | IN | Tullahoma Regional William Northern Field to Marion Municipal |
| Millington Regional Jetport (NQA) | Millington | TN | Tullahoma Regional William Northern Field to Millington Regional Jetport |
| Orangeburg Municipal (OGB) | Orangeburg | SC | Tullahoma Regional William Northern Field to Orangeburg Municipal |
| Kokomo Municipal (OKK) | Kokomo | IN | Tullahoma Regional William Northern Field to Kokomo Municipal |
| Olive Branch (OLV) | Olive Branch | MS | Tullahoma Regional William Northern Field to Olive Branch |
| Olney-Noble (OLY) | Olney-Noble | IL | Tullahoma Regional William Northern Field to Olney-Noble |
| Grand Glaize Osage Beach (OSB) | Osage Beach | MO | Tullahoma Regional William Northern Field to Grand Glaize Osage Beach |
| Ohio State University (OSU) | Columbus | OH | Tullahoma Regional William Northern Field to Ohio State University |
| Kosciusko-Attala County (OSX) | Kosciusko | MS | Tullahoma Regional William Northern Field to Kosciusko-Attala County |
| Owensboro-Daviess County Regional (OWB) | Owensboro | KY | Tullahoma Regional William Northern Field to Owensboro-Daviess County Regional |
| Miami University (OXD) | Oxford | OH | Tullahoma Regional William Northern Field to Miami University |
| Barkley Regional (PAH) | Paducah | KY | Tullahoma Regional William Northern Field to Barkley Regional |
| Pine Bluff Regional-Grider Field (PBF) | Pine Bluff | AR | Tullahoma Regional William Northern Field to Pine Bluff Regional-Grider Field |
| Picayune Municipal (PCU) | Picayune | MS | Tullahoma Regional William Northern Field to Picayune Municipal |
| Dekalb/Peachtree (PDK) | Atlanta | GA | Tullahoma Regional William Northern Field to Dekalb/Peachtree |
| Trent Lott International (PGL) | Pascagoula | MS | Tullahoma Regional William Northern Field to Trent Lott International |
| Paragould/Kirk Field (PGR) | Paragould | AR | Tullahoma Regional William Northern Field to Paragould/Kirk Field |
| Henry County (PHT) | Paris | TN | Tullahoma Regional William Northern Field to Henry County |
| Hattiesburg-Laurel Regional (PIB) | Hattiesburg-Laurel | MS | Tullahoma Regional William Northern Field to Hattiesburg-Laurel Regional |
| Harris County (PIM) | Pine Mountain | GA | Tullahoma Regional William Northern Field to Harris County |
| Mid Ohio Valley Regional (PKB) | Parkersburg | WV | Tullahoma Regional William Northern Field to Mid Ohio Valley Regional |
| M. Graham Clark Downtown (PLK) | Point Lookout | MO | Tullahoma Regional William Northern Field to M. Graham Clark Downtown |
| St Clair County (PLR) | Pell City | AL | Tullahoma Regional William Northern Field to St Clair County |
| Greater Portsmouth Regional (PMH) | Portsmouth | OH | Tullahoma Regional William Northern Field to Greater Portsmouth Regional |
| Pensacola International (PNS) | Pensacola | FL | Tullahoma Regional William Northern Field to Pensacola International |
| Poplar Bluff Municipal (POF) | Poplar Bluff | MO | Tullahoma Regional William Northern Field to Poplar Bluff Municipal |
| New River Valley (PSK) | Dublin | VA | Tullahoma Regional William Northern Field to New River Valley |
| Wilgrove Air Park (QWG) | Charlotte | NC | Tullahoma Regional William Northern Field to Wilgrove Air Park |
| Lowcountry Regional (RBW) | Walterboro | SC | Tullahoma Regional William Northern Field to Lowcountry Regional |
| Fulton County (RCR) | Rochester | IN | Tullahoma Regional William Northern Field to Fulton County |
| Richmond Municipal (RID) | Richmond | IN | Tullahoma Regional William Northern Field to Richmond Municipal |
| Rock Hill/York County/Bryant Field (RKH) | Rock Hill | SC | Tullahoma Regional William Northern Field to Rock Hill/York County/Bryant Field |
| Rockwood Municipal (RKW) | Rockwood | TN | Tullahoma Regional William Northern Field to Rockwood Municipal |
| Rolla Downtown (RLA) | Rolla | MO | Tullahoma Regional William Northern Field to Rolla Downtown |
| Richard B Russell Regional/J H Towers Field (RMG) | Rome | GA | Tullahoma Regional William Northern Field to Richard B Russell Regional/J H Towers Field |
| Jasper County (RNZ) | Rensselaer | IN | Tullahoma Regional William Northern Field to Jasper County |
| Roanoke Regional/Woodrum Field (ROA) | Roanoke | VA | Tullahoma Regional William Northern Field to Roanoke Regional/Woodrum Field |
| Sparta Community - Hunter Field (SAR) | Sparta | IL | Tullahoma Regional William Northern Field to Sparta Community - Hunter Field |
| Savannah/Hilton Head International (SAV) | Savannah | GA | Tullahoma Regional William Northern Field to Savannah/Hilton Head International |
| Louisville International/Standiford Field (SDF) | Louisville | KY | Tullahoma Regional William Northern Field to Louisville International/Standiford Field |
| Craig Field (SEM) | Selma | AL | Tullahoma Regional William Northern Field to Craig Field |
| Freeman Municipal (SER) | Seymour | IN | Tullahoma Regional William Northern Field to Freeman Municipal |
| Springfield/Beckley Municipal (SGH) | Springfield | OH | Tullahoma Regional William Northern Field to Springfield/Beckley Municipal |
| Stuttgart Municipal (SGT) | Stuttgart | AR | Tullahoma Regional William Northern Field to Stuttgart Municipal |
| Sikeston Memorial Municipal (SIK) | Sikeston | MO | Tullahoma Regional William Northern Field to Sikeston Memorial Municipal |
| Sullivan County (SIV) | Sullivan | IN | Tullahoma Regional William Northern Field to Sullivan County |
| Salem-Leckrone (SLO) | Salem | IL | Tullahoma Regional William Northern Field to Salem-Leckrone |
| Lake Cumberland Regional (SME) | Somerset | KY | Tullahoma Regional William Northern Field to Lake Cumberland Regional |
| Moore County (SOP) | Pinehurst | NC | Tullahoma Regional William Northern Field to Moore County |
| Spartanburg Downtown Memorial (SPA) | Spartanburg | SC | Tullahoma Regional William Northern Field to Spartanburg Downtown Memorial |
| Abraham Lincoln Capital (SPI) | Springfield | IL | Tullahoma Regional William Northern Field to Abraham Lincoln Capital |
| Searcy Municipal (SRC) | Searcy | AR | Tullahoma Regional William Northern Field to Searcy Municipal |
| Salisbury/Rowan County (SRW) | Salisbury | NC | Tullahoma Regional William Northern Field to Salisbury/Rowan County |
| Lambert St Louis International (STL) | St Louis | MO | Tullahoma Regional William Northern Field to Lambert St Louis International |
| Sumter (SUM) | Sumter | SC | Tullahoma Regional William Northern Field to Sumter |
| Spirit of St Louis (SUS) | St Louis | MO | Tullahoma Regional William Northern Field to Spirit of St Louis |
| Statesville Regional (SVH) | Statesville | NC | Tullahoma Regional William Northern Field to Statesville Regional |
| Sylvester (SYV) | Sylvester | GA | Tullahoma Regional William Northern Field to Sylvester |
| Waynesville St Robert Regional/Forney Field (TBN) | Fort Leonard Wood | MO | Tullahoma Regional William Northern Field to Waynesville St Robert Regional/Forney Field |
| Statesboro-Bulloch County (TBR) | Statesboro | GA | Tullahoma Regional William Northern Field to Statesboro-Bulloch County |
| Tuscaloosa Regional (TCL) | Tuscaloosa | AL | Tullahoma Regional William Northern Field to Tuscaloosa Regional |
| Moton Field Municipal (TGE) | Tuskegee | AL | Tullahoma Regional William Northern Field to Moton Field Municipal |
| Tallahassee International (TLH) | Tallahassee | FL | Tullahoma Regional William Northern Field to Tallahassee International |
| Henry Tift Myers (TMA) | Tifton | GA | Tullahoma Regional William Northern Field to Henry Tift Myers |
| Toccoa Regional Letourneau Field (TOC) | Toccoa | GA | Tullahoma Regional William Northern Field to Toccoa Regional Letourneau Field |
| Troy Municipal (TOI) | Troy | AL | Tullahoma Regional William Northern Field to Troy Municipal |
| Tri-Cities Regional Tn/Va (TRI) | Bristol/Johnson/Kingsport | TN | Tullahoma Regional William Northern Field to Tri-Cities Regional Tn/Va |
| Tupelo Regional (TUP) | Tupelo | MS | Tullahoma Regional William Northern Field to Tupelo Regional |
| Thomasville Regional (TVI) | Thomasville | GA | Tullahoma Regional William Northern Field to Thomasville Regional |
| Mcghee Tyson (TYS) | Knoxville | TN | Tullahoma Regional William Northern Field to Mcghee Tyson |
| Columbus-Lowndes County (UBS) | Columbus | MS | Tullahoma Regional William Northern Field to Columbus-Lowndes County |
| Everett-Stewart Regional (UCY) | Union City | TN | Tullahoma Regional William Northern Field to Everett-Stewart Regional |
| University-Oxford (UOX) | Oxford | MS | Tullahoma Regional William Northern Field to University-Oxford |
| Union County Troy Shelton Field (USC) | Union | SC | Tullahoma Regional William Northern Field to Union County Troy Shelton Field |
| Tunica Municipal (UTM) | Tunica | MS | Tullahoma Regional William Northern Field to Tunica Municipal |
| Vidalia Regional (VDI) | Vidalia | GA | Tullahoma Regional William Northern Field to Vidalia Regional |
| Rolla National (VIH) | Rolla/Vichy | MO | Tullahoma Regional William Northern Field to Rolla National |
| Virginia Highlands (VJI) | Abingdon | VA | Tullahoma Regional William Northern Field to Virginia Highlands |
| Vicksburg Municipal (VKS) | Vicksburg | MS | Tullahoma Regional William Northern Field to Vicksburg Municipal |
| Vandalia Municipal (VLA) | Vandalia | IL | Tullahoma Regional William Northern Field to Vandalia Municipal |
| Valdosta Regional (VLD) | Valdosta | GA | Tullahoma Regional William Northern Field to Valdosta Regional |
| Barrow County (WDR) | Winder | GA | Tullahoma Regional William Northern Field to Barrow County |
| Baxter County (WMH) | Mountain Home | AR | Tullahoma Regional William Northern Field to Baxter County |
| Zanesville Municipal (ZZV) | Zanesville | OH | Tullahoma Regional William Northern Field to Zanesville Municipal |
