| Antrim County (ACB) | Bellaire | MI | Park Township to Antrim County |
| Lenawee County (ADG) | Adrian | MI | Park Township to Lenawee County |
| Albert Lea Municipal (AEL) | Albert Lea | MN | Park Township to Albert Lea Municipal |
| Allegheny County (AGC) | Pittsburgh | PA | Park Township to Allegheny County |
| Amery Municipal (AHH) | Amery | WI | Park Township to Amery Municipal |
| Anderson Municipal-Darlington Field (AID) | Anderson | IN | Park Township to Anderson Municipal-Darlington Field |
| Akron Fulton International (AKC) | Akron | OH | Park Township to Akron Fulton International |
| St Louis Regional (ALN) | Alton | IL | Park Township to St Louis Regional |
| Waterloo Regional (ALO) | Waterloo | IA | Park Township to Waterloo Regional |
| Gratiot Community (AMN) | Alma | MI | Park Township to Gratiot Community |
| Ames Municipal (AMW) | Ames | IA | Park Township to Ames Municipal |
| Tri-State Steuben County (ANQ) | Angola | IN | Park Township to Tri-State Steuben County |
| Lima Allen County (AOH) | Lima | OH | Park Township to Lima Allen County |
| Alpena County Regional (APN) | Alpena | MI | Park Township to Alpena County Regional |
| Ann Arbor Municipal (ARB) | Ann Arbor | MI | Park Township to Ann Arbor Municipal |
| Lakeland/Noble F. Lee Memorial Field (ARV) | Minocqua | WI | Park Township to Lakeland/Noble F. Lee Memorial Field |
| John F Kennedy Memorial (ASX) | Ashland | WI | Park Township to John F Kennedy Memorial |
| Gordon K Bush Ohio University (ATO) | Athens/Albany | OH | Park Township to Gordon K Bush Ohio University |
| Appleton International (ATW) | Appleton | WI | Park Township to Appleton International |
| Austin Municipal (AUM) | Austin | MN | Park Township to Austin Municipal |
| Wausau Downtown (AUW) | Wausau | WI | Park Township to Wausau Downtown |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | Park Township to Chicago/Aurora Municipal |
| Auglaize County Neil Armstrong (AXV) | Wapakoneta | OH | Park Township to Auglaize County Neil Armstrong |
| Kalamazoo/Battle Creek International (AZO) | Kalamazoo | MI | Park Township to Kalamazoo/Battle Creek International |
| Southwest Michigan Regional (BEH) | Benton Harbor | MI | Park Township to Southwest Michigan Regional |
| Bradford Regional (BFD) | Bradford | PA | Park Township to Bradford Regional |
| Beaver County (BFP) | Beaver Falls | PA | Park Township to Beaver County |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | Park Township to Virgil I Grissom Municipal |
| Wayne County (BJJ) | Wooster | OH | Park Township to Wayne County |
| Burke Lakefront (BKL) | Cleveland | OH | Park Township to Burke Lakefront |
| MidAmerica St Louis Scott AFB (BLV) | Belleville | IL | Park Township to MidAmerica St Louis Scott AFB |
| Monroe County (BMG) | Bloomington | IN | Park Township to Monroe County |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | Park Township to Central Illinois Regional at Bloomington Normal |
| Boone Municipal (BNW) | Boone | IA | Park Township to Boone Municipal |
| Southeast Iowa Regional (BRL) | Burlington | IA | Park Township to Southeast Iowa Regional |
| Samuels Field (BRY) | Bardstown | KY | Park Township to Samuels Field |
| W K Kellogg Regional (BTL) | Battle Creek | MI | Park Township to W K Kellogg Regional |
| Butler County/K W Scholter Field (BTP) | Butler | PA | Park Township to Butler County/K W Scholter Field |
| Buffalo Niagara International (BUF) | Buffalo | NY | Park Township to Buffalo Niagara International |
| Wexford County (CAD) | Cadillac | MI | Park Township to Wexford County |
| Akron/Canton Regional (CAK) | Akron | OH | Park Township to Akron/Canton Regional |
| Northeast Iowa Regional (CCY) | Charles City | IA | Park Township to Northeast Iowa Regional |
| Mettel Field (CEV) | Connersville | IN | Park Township to Mettel Field |
| Cuyahoga County (CGF) | Cleveland | OH | Park Township to Cuyahoga County |
| The Eastern Iowa (CID) | Cedar Rapids | IA | Park Township to The Eastern Iowa |
| Chippewa County International (CIU) | Sault Ste Marie | MI | Park Township to Chippewa County International |
| North Central West Virginia (CKB) | Clarksburg | WV | Park Township to North Central West Virginia |
| Cleveland/Hopkins International (CLE) | Cleveland | OH | Park Township to Cleveland/Hopkins International |
| Clintonville Municipal (CLI) | Clintonville | WI | Park Township to Clintonville Municipal |
| Columbus Municipal (CLU) | Columbus | IN | Park Township to Columbus Municipal |
| John Glenn International (CMH) | Columbus | OH | Park Township to John Glenn International |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | Park Township to University of Illinois-Willard |
| Houghton County Memorial (CMX) | Hancock | MI | Park Township to Houghton County Memorial |
| Sparta/Fort Mccoy (CMY) | Sparta | WI | Park Township to Sparta/Fort Mccoy |
| St Louis Downtown (CPS) | Cahokia/St Louis | IL | Park Township to St Louis Downtown |
| Yeager (CRW) | Charleston | WV | Park Township to Yeager |
| Cincinnati Northern Kentucky International (CVG) | Cincinnati | OH | Park Township to Cincinnati Northern Kentucky International |
| Central Wisconsin (CWA) | Mosinee | WI | Park Township to Central Wisconsin |
| Clinton Municipal (CWI) | Clinton | IA | Park Township to Clinton Municipal |
| Burlington Executive (CZB) | Burlington | ON | Park Township to Burlington Executive |
| Dayton International James M Cox (DAY) | Dayton | OH | Park Township to Dayton International James M Cox |
| Dubuque Regional (DBQ) | Dubuque | IA | Park Township to Dubuque Regional |
| Decatur (DEC) | Decatur | IL | Park Township to Decatur |
| Decorah Municipal (DEH) | Decorah | IA | Park Township to Decorah Municipal |
| Coleman A Young Municipal (DET) | Detroit | MI | Park Township to Coleman A Young Municipal |
| Defiance Memorial (DFI) | Defiance | OH | Park Township to Defiance Memorial |
| Chautauqua County/Dunkirk (DKK) | Dunkirk | NY | Park Township to Chautauqua County/Dunkirk |
| Duluth International (DLH) | Duluth | MN | Park Township to Duluth International |
| Vermilion Regional (DNV) | Danville | IL | Park Township to Vermilion Regional |
| Dupage (DPA) | Chicago | IL | Park Township to Dupage |
| Drummond Island (DRE) | Drummond Island | MI | Park Township to Drummond Island |
| Des Moines International (DSM) | Des Moines | IA | Park Township to Des Moines International |
| Detroit Metro Wayne County (DTW) | Detroit | MI | Park Township to Detroit Metro Wayne County |
| Dunnville (DU9) | Dunnville | ON | Park Township to Dunnville |
| Dubois Regional (DUJ) | DuBois | PA | Park Township to Dubois Regional |
| Davenport Municipal (DVN) | Davenport | IA | Park Township to Davenport Municipal |
| Chippewa Valley Regional (EAU) | Eau Claire | WI | Park Township to Chippewa Valley Regional |
| Webster City Municipal (EBS) | Webster City | IA | Park Township to Webster City Municipal |
| Iosco County (ECA) | East Tawas | MI | Park Township to Iosco County |
| Eagle River Union (EGV) | Eagle River | WI | Park Township to Eagle River Union |
| Elkhart Municipal (EKI) | Elkhart | IN | Park Township to Elkhart Municipal |
| Addington Field (EKX) | Elizabethtown | KY | Park Township to Addington Field |
| Centralia Municipal (ENL) | Centralia | IL | Park Township to Centralia Municipal |
| Kenosha Regional (ENW) | Kenosha | WI | Park Township to Kenosha Regional |
| Keokuk Municipal (EOK) | Keokuk | IA | Park Township to Keokuk Municipal |
| Erie International/Tom Ridge Field (ERI) | Erie | PA | Park Township to Erie International/Tom Ridge Field |
| Delta County (ESC) | Escanaba | MI | Park Township to Delta County |
| West Bend Municipal (ETB) | West Bend | WI | Park Township to West Bend Municipal |
| Evansville Regional (EVV) | Evansville | IN | Park Township to Evansville Regional |
| Faribault Municipal (FBL) | Faribault | MN | Park Township to Faribault Municipal |
| Flying Cloud (FCM) | Minneapolis | MN | Park Township to Flying Cloud |
| Findlay (FDY) | Findlay | OH | Park Township to Findlay |
| Albertus (FEP) | Freeport | IL | Park Township to Albertus |
| Fairfield Municipal (FFL) | Fairfield | IA | Park Township to Fairfield Municipal |
| Capital City (FFT) | Frankfort | KY | Park Township to Capital City |
| Venango Regional (FKL) | Franklin | PA | Park Township to Venango Regional |
| Fond Du Lac County (FLD) | Fond Du Lac | WI | Park Township to Fond Du Lac County |
| Fort Madison Municipal (FMS) | Fort Madison | IA | Park Township to Fort Madison Municipal |
| Bishop International (FNT) | Flint | MI | Park Township to Bishop International |
| French Lick Municipal (FRH) | French Lick | IN | Park Township to French Lick Municipal |
| Fort Wayne International (FWA) | Fort Wayne | IN | Park Township to Fort Wayne International |
| Forest City Municipal (FXY) | Forest City | IA | Park Township to Forest City Municipal |
| Galesburg Municipal (GBG) | Galesburg | IL | Park Township to Galesburg Municipal |
| Gladwin Zettel Memorial (GDW) | Gladwin | MI | Park Township to Gladwin Zettel Memorial |
| Gaylord Regional (GLR) | Gaylord | MI | Park Township to Gaylord Regional |
| Glasgow Municipal (GLW) | Glasgow | KY | Park Township to Glasgow Municipal |
| Galion Municipal (GQQ) | Galion | OH | Park Township to Galion Municipal |
| Austin Straubel International (GRB) | Green Bay | WI | Park Township to Austin Straubel International |
| Greenville (GRE) | Greenville | IL | Park Township to Greenville |
| Grand Marais/Cook County (GRM) | Grand Marais | MN | Park Township to Grand Marais/Cook County |
| Goshen Municipal (GSH) | Goshen | IN | Park Township to Goshen Municipal |
| Grantsburg Muni (GTG) | Grantsburg | WI | Park Township to Grantsburg Muni |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Park Township to Grissom Aeroplex/Arb |
| Gary/Chicago International (GYY) | GARY | IN | Park Township to Gary/Chicago International |
| Three Rivers Municipal Dr Haines (HAI) | Three Rivers | MI | Park Township to Three Rivers Municipal Dr Haines |
| Butler County Regional-Hogan Field (HAO) | Hamilton | OH | Park Township to Butler County Regional-Hogan Field |
| Wheeling Ohio County (HLG) | Wheeling | WV | Park Township to Wheeling Ohio County |
| Huntingburg (HNB) | Huntingburg | IN | Park Township to Huntingburg |
| Hampton Municipal (HPT) | Hampton | IA | Park Township to Hampton Municipal |
| Harrisburg-Raleigh (HSB) | Harrisburg | IL | Park Township to Harrisburg-Raleigh |
| Roscommon County - Blodgett Memorial (HTL) | Houghton Lake | MI | Park Township to Roscommon County - Blodgett Memorial |
| Tri-State Milton J Ferguson Field (HTS) | Huntington | WV | Park Township to Tri-State Milton J Ferguson Field |
| Lawrence County Airpark (HTW) | Chesapeake | OH | Park Township to Lawrence County Airpark |
| Terre Haute Regional/Hulman Field (HUF) | Terre Haute | IN | Park Township to Terre Haute Regional/Hulman Field |
| Sawyer County (HYR) | Hayward | WI | Park Township to Sawyer County |
| Niagara Falls International (IAG) | Niagara Falls | NY | Park Township to Niagara Falls International |
| Indiana County/Jimmy Stewart Field (IDI) | Indiana | PA | Park Township to Indiana County/Jimmy Stewart Field |
| Iowa Falls Municipal (IFA) | Iowa Falls | IA | Park Township to Iowa Falls Municipal |
| Jacksonville Municipal (IJX) | Jacksonville | IL | Park Township to Jacksonville Municipal |
| Greater Kankakee (IKK) | Kankakee | IL | Park Township to Greater Kankakee |
| Wilmington Airpark (ILN) | Wilmington | OH | Park Township to Wilmington Airpark |
| Ford (IMT) | Iron Mountain | MI | Park Township to Ford |
| Indianapolis International (IND) | Indianapolis | IN | Park Township to Indianapolis International |
| Iowa City Municipal (IOW) | Iowa City | IA | Park Township to Iowa City Municipal |
| Kirksville Regional (IRK) | Kirksville | MO | Park Township to Kirksville Regional |
| Kirsch Municipal (IRS) | Sturgis | MI | Park Township to Kirsch Municipal |
| Schoolcraft County (ISQ) | Manistique | MI | Park Township to Schoolcraft County |
| Alexander Field South Wood County (ISW) | Wisconsin Rapids | WI | Park Township to Alexander Field South Wood County |
| Gogebic-Iron County (IWD) | Ironwood | MI | Park Township to Gogebic-Iron County |
| Northeast Ohio Regional (JFN) | Ashtabula | OH | Park Township to Northeast Ohio Regional |
| Chautauqua County/Jamestown (JHW) | Jamestown | NY | Park Township to Chautauqua County/Jamestown |
| Joliet Regional Airport (JOT) | Joliet | IL | Park Township to Joliet Regional Airport |
| Souther Wisconsin Regional (JVL) | Janesville | WI | Park Township to Souther Wisconsin Regional |
| Jackson County/Reynolds Field (JXN) | Jackson | MI | Park Township to Jackson County/Reynolds Field |
| Kentland Municipal (KKT) | Kentland | IN | Park Township to Kentland Municipal |
| Purdue University (LAF) | Lafayette | IN | Park Township to Purdue University |
| Capital Region International (LAN) | Lansing | MI | Park Township to Capital Region International |
| Arnold Palmer Regional (LBE) | Latrobe | PA | Park Township to Arnold Palmer Regional |
| Rickenbacker International (LCK) | Columbus | OH | Park Township to Rickenbacker International |
| Mason County (LDM) | Ludington | MI | Park Township to Mason County |
| Blue Grass (LEX) | Lexington | KY | Park Township to Blue Grass |
| Willoughby Lost Nation Municipal (LNN) | Willoughby | OH | Park Township to Willoughby Lost Nation Municipal |
| Tri-County Regional (LNR) | Lone Rock | WI | Park Township to Tri-County Regional |
| Lewis University Chicago Romeoville (LOT) | Chicago/Romeoville | IL | Park Township to Lewis University Chicago Romeoville |
| Bowman Field (LOU) | Louisville | KY | Park Township to Bowman Field |
| La Porte Municipal (LPO) | La Porte | IN | Park Township to La Porte Municipal |
| La Crosse Regional (LSE) | La Crosse | WI | Park Township to La Crosse Regional |
| Cincinnati Municipal Lunken (LUK) | Cincinnati | OH | Park Township to Cincinnati Municipal Lunken |
| Lawrenceville-Vincennes International (LWV) | Lawrenceville | IL | Park Township to Lawrenceville-Vincennes International |
| Manistee County-Blacker (MBL) | Manistee | MI | Park Township to Manistee County-Blacker |
| Mbs International (MBS) | Saginaw | MI | Park Township to Mbs International |
| Omar N Bradley (MBY) | Moberly | MO | Park Township to Omar N Bradley |
| Mackinac Island (MCD) | Mackinac Island | MI | Park Township to Mackinac Island |
| Mason City Municipal (MCW) | Mason City | IA | Park Township to Mason City Municipal |
| Taylor County (MDF) | Medford | WI | Park Township to Taylor County |
| Southern Illinois (MDH) | Carbondale/Murphysboro | IL | Park Township to Southern Illinois |
| Madison Municipal (MDN) | Madison | IN | Park Township to Madison Municipal |
| Chicago Midway International (MDW) | Chicago | IL | Park Township to Chicago Midway International |
| Port Meadville (MEJ) | Meadville | PA | Park Township to Port Meadville |
| Mansfield Lahm Regional (MFD) | Mansfield | OH | Park Township to Mansfield Lahm Regional |
| Marshfield Municipal (MFI) | Marshfield | WI | Park Township to Marshfield Municipal |
| Michigan City Municipal-Phillips Field (MGC) | Michigan City | IN | Park Township to Michigan City Municipal-Phillips Field |
| Morgantown Municipal Walter L Bill Hart Field (MGW) | Morgantown | WV | Park Township to Morgantown Municipal Walter L Bill Hart Field |
| Dayton-Wright Brothers (MGY) | Dayton | OH | Park Township to Dayton-Wright Brothers |
| Crystal (MIC) | Minneapolis | MN | Park Township to Crystal |
| Delaware County Regional (MIE) | Muncie | IN | Park Township to Delaware County Regional |
| Marshalltown Municipal (MIW) | Marshalltown | IA | Park Township to Marshalltown Municipal |
| Milwaukee General Mitchell International (MKE) | Milwaukee | WI | Park Township to Milwaukee General Mitchell International |
| Mankato Regional (MKT) | Mankato | MN | Park Township to Mankato Regional |
| Quad City International (MLI) | Moline | IL | Park Township to Quad City International |
| Menominee-Marinette Twin County (MNM) | Menominee | MI | Park Township to Menominee-Marinette Twin County |
| Marion Municipal (MNN) | Marion | OH | Park Township to Marion Municipal |
| Mount Pleasant Municipal (MOP) | Mount Pleasant | MI | Park Township to Mount Pleasant Municipal |
| Mount Pleasant Municipal (MPZ) | Mount Pleasant | IA | Park Township to Mount Pleasant Municipal |
| Macomb Municipal (MQB) | Macomb | IL | Park Township to Macomb Municipal |
| Sawyer International (MQT) | Marquette | MI | Park Township to Sawyer International |
| Truax Field/Dane County Regional (MSN) | Madison | WI | Park Township to Truax Field/Dane County Regional |
| Minneapolis St Paul International/Wold-Chamberlain (MSP) | Minneapolis | MN | Park Township to Minneapolis St Paul International/Wold-Chamberlain |
| Coles County Memorial (MTO) | Mattoon/Charleston | IL | Park Township to Coles County Memorial |
| Manitowoc County (MTW) | Manitowoc | WI | Park Township to Manitowoc County |
| Muscatine Municipal (MUT) | Muscatine | IA | Park Township to Muscatine Municipal |
| Mount Vernon (MVN) | Mount Vernon | IL | Park Township to Mount Vernon |
| Williamson County Rgnl (MWA) | Marion | IL | Park Township to Williamson County Rgnl |
| Lawrence J Timmerman (MWC) | Milwaukee | WI | Park Township to Lawrence J Timmerman |
| Middletown Regional - Hook Field (MWO) | Middletown | OH | Park Township to Middletown Regional - Hook Field |
| Monticello Regional (MXO) | Monticello | IA | Park Township to Monticello Regional |
| Marion Municipal (MZZ) | Marion | IN | Park Township to Marion Municipal |
| Lindsay (NF4) | Lindsay | ON | Park Township to Lindsay |
| Jerry Tyler Memorial (NLE) | Niles | MI | Park Township to Jerry Tyler Memorial |
| Niagara Central (NQ3) | Welland | ON | Park Township to Niagara Central |
| Tobermory (NR4) | Tobermory | ON | Park Township to Tobermory |
| Toronto/Markham (NU8) | Markham | | Park Township to Toronto/Markham |
| Collingwood (NY3) | Collingwood | ON | Park Township to Collingwood |
| L O Simenstad Municipal (OEO) | Osceola | WI | Park Township to L O Simenstad Municipal |
| Kokomo Municipal (OKK) | Kokomo | IN | Park Township to Kokomo Municipal |
| Cattaraugus County-Olean Municipal (OLE) | Olean | NY | Park Township to Cattaraugus County-Olean Municipal |
| Olney-Noble (OLY) | Olney-Noble | IL | Park Township to Olney-Noble |
| Winona Municipal-Max Conrad Field (ONA) | Winona | MN | Park Township to Winona Municipal-Max Conrad Field |
| Oskaloosa Municipal (OOA) | Oskaloosa | IA | Park Township to Oskaloosa Municipal |
| Chicago O'hare International (ORD) | Chicago | IL | Park Township to Chicago O'hare International |
| Oscoda-Wurtsmith (OSC) | Oscoda | MI | Park Township to Oscoda-Wurtsmith |
| Wittman Regional (OSH) | Oshkosh | WI | Park Township to Wittman Regional |
| Ohio State University (OSU) | Columbus | OH | Park Township to Ohio State University |
| Ottumwa Regional (OTM) | Ottumwa | IA | Park Township to Ottumwa Regional |
| Owatonna Degner Regional (OWA) | Owatonna | MN | Park Township to Owatonna Degner Regional |
| Owensboro-Daviess County Regional (OWB) | Owensboro | KY | Park Township to Owensboro-Daviess County Regional |
| Miami University (OXD) | Oxford | OH | Park Township to Miami University |
| Prairie Du Chien Municipal (PCD) | Prairie Duchien | WI | Park Township to Prairie Du Chien Municipal |
| Cambridge/Reid's Field (PE4) | Cambridge | ON | Park Township to Cambridge/Reid's Field |
| Harry Clever Field (PHD) | New Philadelphia | OH | Park Township to Harry Clever Field |
| St Clair County International (PHN) | Port Huron | MI | Park Township to St Clair County International |
| Gen Wayne A Downing Peoria International (PIA) | Peoria | IL | Park Township to Gen Wayne A Downing Peoria International |
| Pittsburgh International (PIT) | Pittsburgh | PA | Park Township to Pittsburgh International |
| Mid Ohio Valley Regional (PKB) | Parkersburg | WV | Park Township to Mid Ohio Valley Regional |
| Park Falls Municipal (PKF) | Park Falls | WI | Park Township to Park Falls Municipal |
| Pellston Regional of Emmet County (PLN) | Pellston | MI | Park Township to Pellston Regional of Emmet County |
| Plymouth Municipal (PLY) | Plymouth | IN | Park Township to Plymouth Municipal |
| Greater Portsmouth Regional (PMH) | Portsmouth | OH | Park Township to Greater Portsmouth Regional |
| Wingham/Richard W Levan (PR7) | Wingham | ON | Park Township to Wingham/Richard W Levan |
| Prentice Municipal (PRW) | Prentice | WI | Park Township to Prentice Municipal |
| Killarney (PT2) | Killarney | ON | Park Township to Killarney |
| Oakland County International (PTK) | Pontiac | MI | Park Township to Oakland County International |
| Chicago Executive (PWK) | Chicago | IL | Park Township to Chicago Executive |
| Batten International (RAC) | Racine | WI | Park Township to Batten International |
| Fulton County (RCR) | Rochester | IN | Park Township to Fulton County |
| Nartron Field (RCT) | Reed City | MI | Park Township to Nartron Field |
| Chicago/Rockford International (RFD) | Rockford | IL | Park Township to Chicago/Rockford International |
| Rhinelander Oneida County (RHI) | Rhinelander | WI | Park Township to Rhinelander Oneida County |
| Richmond Municipal (RID) | Richmond | IN | Park Township to Richmond Municipal |
| Rice Lake Regional - Carl's Field (RIE) | Rice Lake | WI | Park Township to Rice Lake Regional - Carl's Field |
| New Richmond Regional (RNH) | New Richmond | WI | Park Township to New Richmond Regional |
| Jasper County (RNZ) | Rensselaer | IN | Park Township to Jasper County |
| Merrill Municipal (RRL) | Merrill | WI | Park Township to Merrill Municipal |
| Rochester International (RST) | Rochester | MN | Park Township to Rochester International |
| Sparta Community - Hunter Field (SAR) | Sparta | IL | Park Township to Sparta Community - Hunter Field |
| Sheboygan County Memorial (SBM) | Sheboygan | WI | Park Township to Sheboygan County Memorial |
| South Bend International (SBN) | South Bend | IN | Park Township to South Bend International |
| Louisville International/Standiford Field (SDF) | Louisville | KY | Park Township to Louisville International/Standiford Field |
| Freeman Municipal (SER) | Seymour | IN | Park Township to Freeman Municipal |
| Springfield/Beckley Municipal (SGH) | Springfield | OH | Park Township to Springfield/Beckley Municipal |
| Sullivan County (SIV) | Sullivan | IN | Park Township to Sullivan County |
| Salem-Leckrone (SLO) | Salem | IL | Park Township to Salem-Leckrone |
| Smith Field (SMD) | Fort Wayne | IN | Park Township to Smith Field |
| Abraham Lincoln Capital (SPI) | Springfield | IL | Park Township to Abraham Lincoln Capital |
| Whiteside Co-Jos H Bittorf Field (SQI) | Sterling/Rock Falls | IL | Park Township to Whiteside Co-Jos H Bittorf Field |
| Stevens Point Municipal (STE) | Stevens Point | WI | Park Township to Stevens Point Municipal |
| Lambert St Louis International (STL) | St Louis | MO | Park Township to Lambert St Louis International |
| St Paul Downtown Holman Field (STP) | St Paul | MN | Park Township to St Paul Downtown Holman Field |
| St Marys Municipal (STQ) | St Marys | PA | Park Township to St Marys Municipal |
| Door County Cherryland (SUE) | Sturgeon Bay | WI | Park Township to Door County Cherryland |
| Spirit of St Louis (SUS) | St Louis | MO | Park Township to Spirit of St Louis |
| Richard I Bong Memorial (SUW) | Superior | WI | Park Township to Richard I Bong Memorial |
| Toledo Executive (TDZ) | Toledo | OH | Park Township to Toledo Executive |
| Newton Municipal (TNU) | Newton | IA | Park Township to Newton Municipal |
| Toledo Express (TOL) | Toledo | OH | Park Township to Toledo Express |
| Cherry Capital (TVC) | Traverse City | MI | Park Township to Cherry Capital |
| Tuscola Area (TZC) | Caro | MI | Park Township to Tuscola Area |
| Waukesha County (UES) | Waukesha | WI | Park Township to Waukesha County |
| Chicago/Waukegan Regional (UGN) | Chicago | IL | Park Township to Chicago/Waukegan Regional |
| Baldwin Field/Quincy Regional (UIN) | Quincy | IL | Park Township to Baldwin Field/Quincy Regional |
| Waukon Municipal Airport (UKN) | Waukon | IA | Park Township to Waukon Municipal Airport |
| Dodge County (UNU) | Juneau | WI | Park Township to Dodge County |
| Vandalia Municipal (VLA) | Vandalia | IL | Park Township to Vandalia Municipal |
| Porter County Regional (VPZ) | Valparaiso | IN | Park Township to Porter County Regional |
| Walter A Duncan Field/Illinois Valley Regional (VYS) | Peru | IL | Park Township to Walter A Duncan Field/Illinois Valley Regional |
| Greene County (WAY) | Waynesburg | PA | Park Township to Greene County |
| West Branch Community (WBK) | West Branch | MI | Park Township to West Branch Community |
| Roben-Hood (WBR) | Big Rapids | MI | Park Township to Roben-Hood |
| Washington County (WSG) | Washington | PA | Park Township to Washington County |
| Grand Geneva Resort (XES) | Lake Geneva | WI | Park Township to Grand Geneva Resort |
| Brantford Municipal (XFV) | Brantford | ON | Park Township to Brantford Municipal |
| Grimsby Airpark (XGY) | Grimsby | ON | Park Township to Grimsby Airpark |
| Brampton (XPN) | Brampton | ON | Park Township to Brampton |
| Sault Ste Marie (YAM) | Sault Ste Marie | ON | Park Township to Sault Ste Marie |
| Centralia/James T Field Memorial (YCE) | Centralia | ON | Park Township to Centralia/James T Field Memorial |
| Chatham-Kent Municipal (YCK) | Chatham | ON | Park Township to Chatham-Kent Municipal |
| Niagara District (YCM) | St Catharines | ON | Park Township to Niagara District |
| Bar River (YEB) | Bar River | ON | Park Township to Bar River |
| Midland/Huronia (YEE) | Midland | ON | Park Township to Midland/Huronia |
| Elliot Lake Municipal (YEL) | Elliot Lake | ON | Park Township to Elliot Lake Municipal |
| Manitowaning Manitoulin East Municipal (YEM) | Manitowaning | ON | Park Township to Manitowaning Manitoulin East Municipal |
| Goderich (YGD) | Goderich | ON | Park Township to Goderich |
| John C Munro Hamilton International (YHM) | Hamilton | ON | Park Township to John C Munro Hamilton International |
| Saugeen Municipal (YHS) | Hanover | ON | Park Township to Saugeen Municipal |
| Willow Run (YIP) | Detroit | MI | Park Township to Willow Run |
| Kincardine (YKD) | Kincardine | ON | Park Township to Kincardine |
| Chapleau (YLD) | Chapleau | ON | Park Township to Chapleau |
| Lake Simcoe Regional (YLS) | Barrie-Orillia | ON | Park Township to Lake Simcoe Regional |
| Youngstown/Warren Regional (YNG) | Youngstown | OH | Park Township to Youngstown/Warren Regional |
| Oshawa (YOO) | Oshawa | ON | Park Township to Oshawa |
| Owen Sound - Billy Bishop Regional (YOS) | Owen Sound | ON | Park Township to Owen Sound - Billy Bishop Regional |
| Parry Sound Area Municipal (YPD) | Parry Sound | ON | Park Township to Parry Sound Area Municipal |
| Peterborough (YPQ) | Peterborough | ON | Park Township to Peterborough |
| Pelee Island (YPT) | Pelee Island | ON | Park Township to Pelee Island |
| Muskoka (YQA) | Gravenhurst | ON | Park Township to Muskoka |
| Windsor (YQG) | Windsor | ON | Park Township to Windsor |
| St Thomas Municipal (YQS) | St Thomas | ON | Park Township to St Thomas Municipal |
| Stratford Municipal (YSA) | Stratford | ON | Park Township to Stratford Municipal |
| Sudbury (YSB) | Sudbury | ON | Park Township to Sudbury |
| Billy Bishop Toronto City (YTZ) | Toronto | ON | Park Township to Billy Bishop Toronto City |
| Wiarton (YVV) | Wiarton | ON | Park Township to Wiarton |
| London (YXU) | London | ON | Park Township to London |
| Wawa (YXZ) | Wawa | ON | Park Township to Wawa |
| Toronto Lester B Pearson International (YYZ) | Toronto | ON | Park Township to Toronto Lester B Pearson International |
| Gore Bay Manitoulin (YZE) | Gore Bay | ON | Park Township to Gore Bay Manitoulin |
| Sarnia/Chris Hadfield (YZR) | Sarnia | ON | Park Township to Sarnia/Chris Hadfield |
| Zanesville Municipal (ZZV) | Zanesville | OH | Park Township to Zanesville Municipal |
