| Ardmore Municipal (ADM) | Ardmore | OK | Roy Otten Memorial Airfield to Ardmore Municipal |
| Ada Municipal (ADT) | Ada | OK | Roy Otten Memorial Airfield to Ada Municipal |
| Albert Lea Municipal (AEL) | Albert Lea | MN | Roy Otten Memorial Airfield to Albert Lea Municipal |
| Magnolia Municipal (AGO) | Magnolia | AR | Roy Otten Memorial Airfield to Magnolia Municipal |
| Ardmore Downtown Executive (AHD) | Ardmore | OK | Roy Otten Memorial Airfield to Ardmore Downtown Executive |
| Arapahoe Municipal (AHF) | Arapahoe | NE | Roy Otten Memorial Airfield to Arapahoe Municipal |
| Atlantic Municipal (AIO) | Atlantic | IA | Roy Otten Memorial Airfield to Atlantic Municipal |
| St Louis Regional (ALN) | Alton | IL | Roy Otten Memorial Airfield to St Louis Regional |
| Waterloo Regional (ALO) | Waterloo | IA | Roy Otten Memorial Airfield to Waterloo Regional |
| Ames Municipal (AMW) | Ames | IA | Roy Otten Memorial Airfield to Ames Municipal |
| Anthony Municipal (ANY) | Anthony | KS | Roy Otten Memorial Airfield to Anthony Municipal |
| Walnut Ridge Regional (ARG) | Walnut Ridge | AR | Roy Otten Memorial Airfield to Walnut Ridge Regional |
| Antlers Municipal (ATE) | Antlers | OK | Roy Otten Memorial Airfield to Antlers Municipal |
| Austin Municipal (AUM) | Austin | MN | Roy Otten Memorial Airfield to Austin Municipal |
| Chicago/Aurora Municipal (AUZ) | Chicago | IL | Roy Otten Memorial Airfield to Chicago/Aurora Municipal |
| West Memphis Municipal (AWM) | West Memphis | AR | Roy Otten Memorial Airfield to West Memphis Municipal |
| Algona Municipal (AXG) | Algona | IA | Roy Otten Memorial Airfield to Algona Municipal |
| Beech Factory (BEC) | Wichita | KS | Roy Otten Memorial Airfield to Beech Factory |
| Virgil I Grissom Municipal (BFR) | Bedford | IN | Roy Otten Memorial Airfield to Virgil I Grissom Municipal |
| Beatrice Municipal (BIE) | Beatrice | NE | Roy Otten Memorial Airfield to Beatrice Municipal |
| Branson (BKG) | Branson | MO | Roy Otten Memorial Airfield to Branson |
| MidAmerica St Louis Scott AFB (BLV) | Belleville | IL | Roy Otten Memorial Airfield to MidAmerica St Louis Scott AFB |
| Monroe County (BMG) | Bloomington | IN | Roy Otten Memorial Airfield to Monroe County |
| Central Illinois Regional at Bloomington Normal (BMI) | Bloomington | IL | Roy Otten Memorial Airfield to Central Illinois Regional at Bloomington Normal |
| Nashville International (BNA) | Nashville | TN | Roy Otten Memorial Airfield to Nashville International |
| Boone Municipal (BNW) | Boone | IA | Roy Otten Memorial Airfield to Boone Municipal |
| Southeast Iowa Regional (BRL) | Burlington | IA | Roy Otten Memorial Airfield to Southeast Iowa Regional |
| Cram Field (BUB) | Burwell | NE | Roy Otten Memorial Airfield to Cram Field |
| Butler Memorial (BUM) | Butler | MO | Roy Otten Memorial Airfield to Butler Memorial |
| Bartlesville Municipal (BVO) | Bartlesville | OK | Roy Otten Memorial Airfield to Bartlesville Municipal |
| Batesville Regional (BVX) | Batesville | AR | Roy Otten Memorial Airfield to Batesville Regional |
| Bowling Green Warren County Regional (BWG) | Bowling Green | KY | Roy Otten Memorial Airfield to Bowling Green Warren County Regional |
| Arkansas International (BYH) | Blytheville | AR | Roy Otten Memorial Airfield to Arkansas International |
| Council Bluffs Municipal (CBF) | Council Bluffs | IA | Roy Otten Memorial Airfield to Council Bluffs Municipal |
| Clinton Municipal (CCA) | Clinton | AR | Roy Otten Memorial Airfield to Clinton Municipal |
| Northeast Iowa Regional (CCY) | Charles City | IA | Roy Otten Memorial Airfield to Northeast Iowa Regional |
| Harrell Field (CDH) | Camden | AR | Roy Otten Memorial Airfield to Harrell Field |
| Cessna Aircraft Field (CEA) | Wichita | KS | Roy Otten Memorial Airfield to Cessna Aircraft Field |
| Kyle-Oakley Field (CEY) | Murray | KY | Roy Otten Memorial Airfield to Kyle-Oakley Field |
| Coffeyville Municipal (CFV) | Coffeyville | KS | Roy Otten Memorial Airfield to Coffeyville Municipal |
| Cape Girardeau Regional (CGI) | Cape Girardeau | MO | Roy Otten Memorial Airfield to Cape Girardeau Regional |
| Chickasha Municipal (CHK) | Chickasha | OK | Roy Otten Memorial Airfield to Chickasha Municipal |
| The Eastern Iowa (CID) | Cedar Rapids | IA | Roy Otten Memorial Airfield to The Eastern Iowa |
| Arthur N Neu (CIN) | Carroll | IA | Roy Otten Memorial Airfield to Arthur N Neu |
| Cairo Regional (CIR) | Cairo | IL | Roy Otten Memorial Airfield to Cairo Regional |
| Fletcher Field (CKM) | Clarksdale | MS | Roy Otten Memorial Airfield to Fletcher Field |
| Outlaw Field (CKV) | Clarksville | TN | Roy Otten Memorial Airfield to Outlaw Field |
| Clinton Regional (CLK) | Clinton | OK | Roy Otten Memorial Airfield to Clinton Regional |
| Columbus Municipal (CLU) | Columbus | IN | Roy Otten Memorial Airfield to Columbus Municipal |
| University of Illinois-Willard (CMI) | Champaign/Urbana | IL | Roy Otten Memorial Airfield to University of Illinois-Willard |
| Sparta/Fort Mccoy (CMY) | Sparta | WI | Roy Otten Memorial Airfield to Sparta/Fort Mccoy |
| Blosser Municipal (CNK) | Concordia | KS | Roy Otten Memorial Airfield to Blosser Municipal |
| Chanute Martin Johnson (CNU) | Chanute | KS | Roy Otten Memorial Airfield to Chanute Martin Johnson |
| Columbia Regional (COU) | Columbia | MO | Roy Otten Memorial Airfield to Columbia Regional |
| St Louis Downtown (CPS) | Cahokia/St Louis | IL | Roy Otten Memorial Airfield to St Louis Downtown |
| Z M Jack Stell Field (CRT) | Crossett | AR | Roy Otten Memorial Airfield to Z M Jack Stell Field |
| Roscoe Turner (CRX) | Corinth | MS | Roy Otten Memorial Airfield to Roscoe Turner |
| Creston Municipal (CSQ) | Creston | IA | Roy Otten Memorial Airfield to Creston Municipal |
| Canton Municipal (CTK) | Canton | SD | Roy Otten Memorial Airfield to Canton Municipal |
| Cushing Municipal (CUH) | Cushing | OK | Roy Otten Memorial Airfield to Cushing Municipal |
| Clinton Municipal (CWI) | Clinton | IA | Roy Otten Memorial Airfield to Clinton Municipal |
| Dubuque Regional (DBQ) | Dubuque | IA | Roy Otten Memorial Airfield to Dubuque Regional |
| Dodge City Regional (DDC) | Dodge City | KS | Roy Otten Memorial Airfield to Dodge City Regional |
| Decatur (DEC) | Decatur | IL | Roy Otten Memorial Airfield to Decatur |
| Decorah Municipal (DEH) | Decorah | IA | Roy Otten Memorial Airfield to Decorah Municipal |
| Denison Municipal (DNS) | Denison | IA | Roy Otten Memorial Airfield to Denison Municipal |
| Vermilion Regional (DNV) | Danville | IL | Roy Otten Memorial Airfield to Vermilion Regional |
| Dupage (DPA) | Chicago | IL | Roy Otten Memorial Airfield to Dupage |
| Des Moines International (DSM) | Des Moines | IA | Roy Otten Memorial Airfield to Des Moines International |
| Durant Regional - Eaker Field (DUA) | Durant | OK | Roy Otten Memorial Airfield to Durant Regional - Eaker Field |
| Halliburton Field (DUC) | Duncan | OK | Roy Otten Memorial Airfield to Halliburton Field |
| Davenport Municipal (DVN) | Davenport | IA | Roy Otten Memorial Airfield to Davenport Municipal |
| Kearney Regional (EAR) | Kearney | NE | Roy Otten Memorial Airfield to Kearney Regional |
| Webster City Municipal (EBS) | Webster City | IA | Roy Otten Memorial Airfield to Webster City Municipal |
| El Dorado/Captain Jack Thomas Memorial (EDK) | El Dorado | KS | Roy Otten Memorial Airfield to El Dorado/Captain Jack Thomas Memorial |
| Jefferson Municipal (EFW) | Jefferson | IA | Roy Otten Memorial Airfield to Jefferson Municipal |
| Addington Field (EKX) | Elizabethtown | KY | Roy Otten Memorial Airfield to Addington Field |
| South Arkansas Regional at Goodwin Field (ELD) | El Dorado | AR | Roy Otten Memorial Airfield to South Arkansas Regional at Goodwin Field |
| Emporia Municipal (EMP) | Emporia | KS | Roy Otten Memorial Airfield to Emporia Municipal |
| Centralia Municipal (ENL) | Centralia | IL | Roy Otten Memorial Airfield to Centralia Municipal |
| Kenosha Regional (ENW) | Kenosha | WI | Roy Otten Memorial Airfield to Kenosha Regional |
| Keokuk Municipal (EOK) | Keokuk | IA | Roy Otten Memorial Airfield to Keokuk Municipal |
| Neosho Hugh Robinson (EOS) | Neosho | MO | Roy Otten Memorial Airfield to Neosho Hugh Robinson |
| Estherville Municipal (EST) | Estherville | IA | Roy Otten Memorial Airfield to Estherville Municipal |
| Evansville Regional (EVV) | Evansville | IN | Roy Otten Memorial Airfield to Evansville Regional |
| Newton City County (EWK) | Newton | KS | Roy Otten Memorial Airfield to Newton City County |
| Farmington Regional (FAM) | Farmington | MO | Roy Otten Memorial Airfield to Farmington Regional |
| Fairbury Municipal (FBY) | Fairbury | NE | Roy Otten Memorial Airfield to Fairbury Municipal |
| Forrest City Municipal (FCY) | Forrest City | AR | Roy Otten Memorial Airfield to Forrest City Municipal |
| Albertus (FEP) | Freeport | IL | Roy Otten Memorial Airfield to Albertus |
| Fremont Municipal (FET) | Fremont | NE | Roy Otten Memorial Airfield to Fremont Municipal |
| Fairfield Municipal (FFL) | Fairfield | IA | Roy Otten Memorial Airfield to Fairfield Municipal |
| Marion County Regional (FLP) | Flippin | AR | Roy Otten Memorial Airfield to Marion County Regional |
| Sherman Army Airfield (FLV) | Fort Leavenworth | KS | Roy Otten Memorial Airfield to Sherman Army Airfield |
| Fort Madison Municipal (FMS) | Fort Madison | IA | Roy Otten Memorial Airfield to Fort Madison Municipal |
| Fort Dodge Regional (FOD) | Fort Dodge | IA | Roy Otten Memorial Airfield to Fort Dodge Regional |
| Topeka Regional (FOE) | Topeka | KS | Roy Otten Memorial Airfield to Topeka Regional |
| French Lick Municipal (FRH) | French Lick | IN | Roy Otten Memorial Airfield to French Lick Municipal |
| Fairmont Municipal (FRM) | Fairmont | MN | Roy Otten Memorial Airfield to Fairmont Municipal |
| Fort Scott Municipal (FSK) | Fort Scott | KS | Roy Otten Memorial Airfield to Fort Scott Municipal |
| Fort Smith Regional (FSM) | Fort Smith | AR | Roy Otten Memorial Airfield to Fort Smith Regional |
| Branson West Municipal - Emerson Field (FWB) | Branson West | MO | Roy Otten Memorial Airfield to Branson West Municipal - Emerson Field |
| Forest City Municipal (FXY) | Forest City | IA | Roy Otten Memorial Airfield to Forest City Municipal |
| Drake Field (FYV) | Fayetteville | AR | Roy Otten Memorial Airfield to Drake Field |
| Great Bend Municipal (GBD) | Great Bend | KS | Roy Otten Memorial Airfield to Great Bend Municipal |
| Galesburg Municipal (GBG) | Galesburg | IL | Roy Otten Memorial Airfield to Galesburg Municipal |
| Centerville Municipal (GHM) | Centerville | TN | Roy Otten Memorial Airfield to Centerville Municipal |
| Greenville Mid-Delta (GLH) | Greenville | MS | Roy Otten Memorial Airfield to Greenville Mid-Delta |
| Glasgow Municipal (GLW) | Glasgow | KY | Roy Otten Memorial Airfield to Glasgow Municipal |
| Guthrie-Edmond Regional (GOK) | Guthrie | OK | Roy Otten Memorial Airfield to Guthrie-Edmond Regional |
| Greenville (GRE) | Greenville | IL | Roy Otten Memorial Airfield to Greenville |
| Central Nebraska Regional (GRI) | Grand Island | NE | Roy Otten Memorial Airfield to Central Nebraska Regional |
| Grissom Aeroplex/Arb (GUS) | Peru | IN | Roy Otten Memorial Airfield to Grissom Aeroplex/Arb |
| Greenwood Leflore (GWO) | Greenwood | MS | Roy Otten Memorial Airfield to Greenwood Leflore |
| Gary/Chicago International (GYY) | GARY | IN | Roy Otten Memorial Airfield to Gary/Chicago International |
| Marion County-Rankin Fite (HAB) | Hamilton | AL | Roy Otten Memorial Airfield to Marion County-Rankin Fite |
| Brewster Field (HDE) | Holdrege | NE | Roy Otten Memorial Airfield to Brewster Field |
| Thompson-Robbins (HEE) | Helena/West Helena | AR | Roy Otten Memorial Airfield to Thompson-Robbins |
| Blytheville Municipal (HKA) | Blytheville | AR | Roy Otten Memorial Airfield to Blytheville Municipal |
| Hill City Municipal (HLC) | Hill City | KS | Roy Otten Memorial Airfield to Hill City Municipal |
| Huntingburg (HNB) | Huntingburg | IN | Roy Otten Memorial Airfield to Huntingburg |
| Memorial Field (HOT) | Hot Springs | AR | Roy Otten Memorial Airfield to Memorial Field |
| Hampton Municipal (HPT) | Hampton | IA | Roy Otten Memorial Airfield to Hampton Municipal |
| Boone County Regional (HRO) | Harrison | AR | Roy Otten Memorial Airfield to Boone County Regional |
| Harrisburg-Raleigh (HSB) | Harrisburg | IL | Roy Otten Memorial Airfield to Harrisburg-Raleigh |
| Hastings Municipal (HSI) | Hastings | NE | Roy Otten Memorial Airfield to Hastings Municipal |
| Humboldt Municipal (HUD) | Humboldt | IA | Roy Otten Memorial Airfield to Humboldt Municipal |
| Terre Haute Regional (HUF) | Terre Haute | IN | Roy Otten Memorial Airfield to Terre Haute Regional |
| Stan Stamper Municipal (HUJ) | Hugo | OK | Roy Otten Memorial Airfield to Stan Stamper Municipal |
| Hutchinson Regional (HUT) | Hutchinson | KS | Roy Otten Memorial Airfield to Hutchinson Regional |
| Hays Regional (HYS) | Hays | KS | Roy Otten Memorial Airfield to Hays Regional |
| Schenck Field (ICL) | Clarinda | IA | Roy Otten Memorial Airfield to Schenck Field |
| Wichita Eisenhower National (ICT) | Wichita | KS | Roy Otten Memorial Airfield to Wichita Eisenhower National |
| Ida Grove Municipal (IDG) | Ida Grove | IA | Roy Otten Memorial Airfield to Ida Grove Municipal |
| Independence Municipal (IDP) | Independence | KS | Roy Otten Memorial Airfield to Independence Municipal |
| Iowa Falls Municipal (IFA) | Iowa Falls | IA | Roy Otten Memorial Airfield to Iowa Falls Municipal |
| Jacksonville Municipal (IJX) | Jacksonville | IL | Roy Otten Memorial Airfield to Jacksonville Municipal |
| Greater Kankakee (IKK) | Kankakee | IL | Roy Otten Memorial Airfield to Greater Kankakee |
| Indianapolis International (IND) | Indianapolis | IN | Roy Otten Memorial Airfield to Indianapolis International |
| Iowa City Municipal (IOW) | Iowa City | IA | Roy Otten Memorial Airfield to Iowa City Municipal |
| Kirksville Regional (IRK) | Kirksville | MO | Roy Otten Memorial Airfield to Kirksville Regional |
| Jonesboro Municipal (JBR) | Jonesboro | AR | Roy Otten Memorial Airfield to Jonesboro Municipal |
| New Century Aircenter (JCI) | Olathe | KS | Roy Otten Memorial Airfield to New Century Aircenter |
| Joplin Regional (JLN) | Joplin | MO | Roy Otten Memorial Airfield to Joplin Regional |
| Joliet Regional Airport (JOT) | Joliet | IL | Roy Otten Memorial Airfield to Joliet Regional Airport |
| Souther Wisconsin Regional (JVL) | Janesville | WI | Roy Otten Memorial Airfield to Souther Wisconsin Regional |
| Kentland Municipal (KKT) | Kentland | IN | Roy Otten Memorial Airfield to Kentland Municipal |
| Kennett Memorial (KNT) | Kennett | MO | Roy Otten Memorial Airfield to Kennett Memorial |
| Purdue University (LAF) | Lafayette | IN | Roy Otten Memorial Airfield to Purdue University |
| Bill & Hillary Clinton National/Adams Field (LIT) | Little Rock | AR | Roy Otten Memorial Airfield to Bill & Hillary Clinton National/Adams Field |
| Lincoln Municipal (LNK) | Lincoln | NE | Roy Otten Memorial Airfield to Lincoln Municipal |
| Tri-County Regional (LNR) | Lone Rock | WI | Roy Otten Memorial Airfield to Tri-County Regional |
| Lewis University Chicago Romeoville (LOT) | Chicago/Romeoville | IL | Roy Otten Memorial Airfield to Lewis University Chicago Romeoville |
| Bowman Field (LOU) | Louisville | KY | Roy Otten Memorial Airfield to Bowman Field |
| La Porte Municipal (LPO) | La Porte | IN | Roy Otten Memorial Airfield to La Porte Municipal |
| Le Mars Municipal (LRJ) | Le Mars | IA | Roy Otten Memorial Airfield to Le Mars Municipal |
| La Crosse Regional (LSE) | La Crosse | WI | Roy Otten Memorial Airfield to La Crosse Regional |
| Lawrence Municipal (LWC) | Lawrence | KS | Roy Otten Memorial Airfield to Lawrence Municipal |
| Lawrenceville-Vincennes International (LWV) | Lawrenceville | IL | Roy Otten Memorial Airfield to Lawrenceville-Vincennes International |
| Jim Kelly Field (LXN) | Lexington | NE | Roy Otten Memorial Airfield to Jim Kelly Field |
| Lyons-Rice County Muni (LYO) | Lyons | KS | Roy Otten Memorial Airfield to Lyons-Rice County Muni |
| Quentin Aanenson Field (LYV) | Luverne | MN | Roy Otten Memorial Airfield to Quentin Aanenson Field |
| Malden Regional (MAW) | Malden | MO | Roy Otten Memorial Airfield to Malden Regional |
| Omar N Bradley (MBY) | Moberly | MO | Roy Otten Memorial Airfield to Omar N Bradley |
| Kansas City International (MCI) | Kansas City | MO | Roy Otten Memorial Airfield to Kansas City International |
| Mason City Municipal (MCW) | Mason City | IA | Roy Otten Memorial Airfield to Mason City Municipal |
| Southern Illinois (MDH) | Carbondale/Murphysboro | IL | Roy Otten Memorial Airfield to Southern Illinois |
| Madison Municipal (MDN) | Madison | IN | Roy Otten Memorial Airfield to Madison Municipal |
| Chicago Midway International (MDW) | Chicago | IL | Roy Otten Memorial Airfield to Chicago Midway International |
| Memphis International (MEM) | Memphis | TN | Roy Otten Memorial Airfield to Memphis International |
| Michigan City Municipal-Phillips Field (MGC) | Michigan City | IN | Roy Otten Memorial Airfield to Michigan City Municipal-Phillips Field |
| Manhattan Regional (MHK) | Manhattan | KS | Roy Otten Memorial Airfield to Manhattan Regional |
| Marshall Memorial Municipal (MHL) | Marshall | MO | Roy Otten Memorial Airfield to Marshall Memorial Municipal |
| Miami Regional (MIO) | Miami | OK | Roy Otten Memorial Airfield to Miami Regional |
| Omaha Millard (MIQ) | Omaha | NE | Roy Otten Memorial Airfield to Omaha Millard |
| Marshalltown Municipal (MIW) | Marshalltown | IA | Roy Otten Memorial Airfield to Marshalltown Municipal |
| Jackson Municipal (MJQ) | Jackson | MN | Roy Otten Memorial Airfield to Jackson Municipal |
| Charles B Wheeler Downtown (MKC) | Kansas City | MO | Roy Otten Memorial Airfield to Charles B Wheeler Downtown |
| Mckellar Sipes Regional (MKL) | Jackson | TN | Roy Otten Memorial Airfield to Mckellar Sipes Regional |
| Muskogee-Davis Regional (MKO) | Muskogee | OK | Roy Otten Memorial Airfield to Muskogee-Davis Regional |
| Mcalester Regional (MLC) | Mc Alester | OK | Roy Otten Memorial Airfield to Mcalester Regional |
| Quad City International (MLI) | Moline | IL | Roy Otten Memorial Airfield to Quad City International |
| Marks/Selfs (MMS) | Marks | MS | Roy Otten Memorial Airfield to Marks/Selfs |
| Petit Jean Park (MPJ) | Morrilton | AR | Roy Otten Memorial Airfield to Petit Jean Park |
| Mcpherson (MPR) | McPherson | KS | Roy Otten Memorial Airfield to Mcpherson |
| Mount Pleasant Regional (MPS) | Mount Pleasant | TX | Roy Otten Memorial Airfield to Mount Pleasant Regional |
| Mount Pleasant Municipal (MPZ) | Mount Pleasant | IA | Roy Otten Memorial Airfield to Mount Pleasant Municipal |
| Macomb Municipal (MQB) | Macomb | IL | Roy Otten Memorial Airfield to Macomb Municipal |
| Smyrna (MQY) | Smyrna | TN | Roy Otten Memorial Airfield to Smyrna |
| Maury County (MRC) | Columbia | TN | Roy Otten Memorial Airfield to Maury County |
| Northwest Alabama Regional (MSL) | Muscle Shoals | AL | Roy Otten Memorial Airfield to Northwest Alabama Regional |
| Truax Field/Dane County Regional (MSN) | Madison | WI | Roy Otten Memorial Airfield to Truax Field/Dane County Regional |
| Coles County Memorial (MTO) | Mattoon/Charleston | IL | Roy Otten Memorial Airfield to Coles County Memorial |
| Muscatine Municipal (MUT) | Muscatine | IA | Roy Otten Memorial Airfield to Muscatine Municipal |
| Mount Vernon (MVN) | Mount Vernon | IL | Roy Otten Memorial Airfield to Mount Vernon |
| Williamson County Rgnl (MWA) | Marion | IL | Roy Otten Memorial Airfield to Williamson County Rgnl |
| Windom Municipal (MWM) | Windom | MN | Roy Otten Memorial Airfield to Windom Municipal |
| Manila Municipal (MXA) | Manila | AR | Roy Otten Memorial Airfield to Manila Municipal |
| Monticello Regional (MXO) | Monticello | IA | Roy Otten Memorial Airfield to Monticello Regional |
| Millington Regional Jetport (NQA) | Millington | TN | Roy Otten Memorial Airfield to Millington Regional Jetport |
| Nevada Municipal (NVD) | Nevada | MO | Roy Otten Memorial Airfield to Nevada Municipal |
| Norfolk Regional/Karl Stefan Memorial Field (OFK) | Norfolk | NE | Roy Otten Memorial Airfield to Norfolk Regional/Karl Stefan Memorial Field |
| Johnson County Executive (OJC) | Olathe | KS | Roy Otten Memorial Airfield to Johnson County Executive |
| Will Rogers World (OKC) | Oklahoma City | OK | Roy Otten Memorial Airfield to Will Rogers World |
| Kokomo Municipal (OKK) | Kokomo | IN | Roy Otten Memorial Airfield to Kokomo Municipal |
| Okmulgee Regional (OKM) | Okmulgee | OK | Roy Otten Memorial Airfield to Okmulgee Regional |
| Columbus Municipal (OLU) | Columbus | NE | Roy Otten Memorial Airfield to Columbus Municipal |
| Olive Branch (OLV) | Olive Branch | MS | Roy Otten Memorial Airfield to Olive Branch |
| Olney-Noble (OLY) | Olney-Noble | IL | Roy Otten Memorial Airfield to Olney-Noble |
| Eppley Airfield (OMA) | Omaha | NE | Roy Otten Memorial Airfield to Eppley Airfield |
| Winona Municipal-Max Conrad Field (ONA) | Winona | MN | Roy Otten Memorial Airfield to Winona Municipal-Max Conrad Field |
| Oskaloosa Municipal (OOA) | Oskaloosa | IA | Roy Otten Memorial Airfield to Oskaloosa Municipal |
| Chicago O'hare International (ORD) | Chicago | IL | Roy Otten Memorial Airfield to Chicago O'hare International |
| Worthington Municipal (OTG) | Worthington | MN | Roy Otten Memorial Airfield to Worthington Municipal |
| Ottumwa Regional (OTM) | Ottumwa | IA | Roy Otten Memorial Airfield to Ottumwa Regional |
| University of Oklahoma Max Westheimer (OUN) | Norman | OK | Roy Otten Memorial Airfield to University of Oklahoma Max Westheimer |
| Owatonna Degner Regional (OWA) | Owatonna | MN | Roy Otten Memorial Airfield to Owatonna Degner Regional |
| Owensboro-Daviess County Regional (OWB) | Owensboro | KY | Roy Otten Memorial Airfield to Owensboro-Daviess County Regional |
| Barkley Regional (PAH) | Paducah | KY | Roy Otten Memorial Airfield to Barkley Regional |
| Pine Bluff Regional-Grider Field (PBF) | Pine Bluff | AR | Roy Otten Memorial Airfield to Pine Bluff Regional-Grider Field |
| Prairie Du Chien Municipal (PCD) | Prairie Duchien | WI | Roy Otten Memorial Airfield to Prairie Du Chien Municipal |
| Paragould/Kirk Field (PGR) | Paragould | AR | Roy Otten Memorial Airfield to Paragould/Kirk Field |
| Henry County (PHT) | Paris | TN | Roy Otten Memorial Airfield to Henry County |
| Gen Wayne A Downing Peoria International (PIA) | Peoria | IL | Roy Otten Memorial Airfield to Gen Wayne A Downing Peoria International |
| M. Graham Clark Downtown (PLK) | Point Lookout | MO | Roy Otten Memorial Airfield to M. Graham Clark Downtown |
| Plymouth Municipal (PLY) | Plymouth | IN | Roy Otten Memorial Airfield to Plymouth Municipal |
| Ponca City Regional (PNC) | Ponca City | OK | Roy Otten Memorial Airfield to Ponca City Regional |
| North Texas Regional/Perrin Field (PNX) | Sherman/Denison | TX | Roy Otten Memorial Airfield to North Texas Regional/Perrin Field |
| Poplar Bluff Municipal (POF) | Poplar Bluff | MO | Roy Otten Memorial Airfield to Poplar Bluff Municipal |
| Pocahontas Municipal (POH) | Pocahontas | IA | Roy Otten Memorial Airfield to Pocahontas Municipal |
| Parsons/Tri-City (PPF) | Parsons | KS | Roy Otten Memorial Airfield to Parsons/Tri-City |
| Perry Municipal (PRO) | Perry | IA | Roy Otten Memorial Airfield to Perry Municipal |
| Cox Field (PRX) | Paris | TX | Roy Otten Memorial Airfield to Cox Field |
| Atkinson Municipal (PTS) | Pittsburg | KS | Roy Otten Memorial Airfield to Atkinson Municipal |
| Pratt Regional (PTT) | Pratt | KS | Roy Otten Memorial Airfield to Pratt Regional |
| Wiley Post (PWA) | Oklahoma City | OK | Roy Otten Memorial Airfield to Wiley Post |
| Chicago Executive (PWK) | Chicago | IL | Roy Otten Memorial Airfield to Chicago Executive |
| Batten International (RAC) | Racine | WI | Roy Otten Memorial Airfield to Batten International |
| Rooks County Regional (RCP) | Stockton | KS | Roy Otten Memorial Airfield to Rooks County Regional |
| Fulton County (RCR) | Rochester | IN | Roy Otten Memorial Airfield to Fulton County |
| Chicago/Rockford International (RFD) | Rockford | IL | Roy Otten Memorial Airfield to Chicago/Rockford International |
| Robert S Kerr (RKR) | Poteau | OK | Roy Otten Memorial Airfield to Robert S Kerr |
| Rolla Downtown (RLA) | Rolla | MO | Roy Otten Memorial Airfield to Rolla Downtown |
| Jasper County (RNZ) | Rensselaer | IN | Roy Otten Memorial Airfield to Jasper County |
| Rogers Executive/Carter Field (ROG) | Rogers | AR | Roy Otten Memorial Airfield to Rogers Executive/Carter Field |
| Russell Municipal (RSL) | Russell | KS | Roy Otten Memorial Airfield to Russell Municipal |
| Rochester International (RST) | Rochester | MN | Roy Otten Memorial Airfield to Rochester International |
| Spirit Lake Municipal (RTL) | Spirit Lake | IA | Roy Otten Memorial Airfield to Spirit Lake Municipal |
| Tulsa/Richard Lloyd Jones Jr (RVS) | Tulsa | OK | Roy Otten Memorial Airfield to Tulsa/Richard Lloyd Jones Jr |
| Sparta Community - Hunter Field (SAR) | Sparta | IL | Roy Otten Memorial Airfield to Sparta Community - Hunter Field |
| Scribner State (SCB) | Scribner | NE | Roy Otten Memorial Airfield to Scribner State |
| Louisville International/Standiford Field (SDF) | Louisville | KY | Roy Otten Memorial Airfield to Louisville International/Standiford Field |
| Freeman Municipal (SER) | Seymour | IN | Roy Otten Memorial Airfield to Freeman Municipal |
| Springfield/Branson National (SGF) | Springfield | MO | Roy Otten Memorial Airfield to Springfield/Branson National |
| Stuttgart Municipal (SGT) | Stuttgart | AR | Roy Otten Memorial Airfield to Stuttgart Municipal |
| Sikeston Memorial Municipal (SIK) | Sikeston | MO | Roy Otten Memorial Airfield to Sikeston Memorial Municipal |
| Sullivan County (SIV) | Sullivan | IN | Roy Otten Memorial Airfield to Sullivan County |
| Storm Lake Municipal (SLB) | Storm Lake | IA | Roy Otten Memorial Airfield to Storm Lake Municipal |
| Smith Field/Siloam Springs Municipal (SLG) | Siloam Springs | AR | Roy Otten Memorial Airfield to Smith Field/Siloam Springs Municipal |
| Salina Regional (SLN) | Salina | KS | Roy Otten Memorial Airfield to Salina Regional |
| Salem-Leckrone (SLO) | Salem | IL | Roy Otten Memorial Airfield to Salem-Leckrone |
| Sulphur Springs Municipal (SLR) | Sulphur Springs | TX | Roy Otten Memorial Airfield to Sulphur Springs Municipal |
| Shawnee Regional (SNL) | Shawnee | OK | Roy Otten Memorial Airfield to Shawnee Regional |
| Abraham Lincoln Capital (SPI) | Springfield | IL | Roy Otten Memorial Airfield to Abraham Lincoln Capital |
| Spencer Municipal/Northwest Iowa Regional (SPW) | Spencer | IA | Roy Otten Memorial Airfield to Spencer Municipal/Northwest Iowa Regional |
| Springdale Municipal (SPZ) | Springdale | AR | Roy Otten Memorial Airfield to Springdale Municipal |
| Whiteside Co/Jos H Bittorf Field (SQI) | Sterling/Rock Falls | IL | Roy Otten Memorial Airfield to Whiteside Co/Jos H Bittorf Field |
| Searcy Municipal (SRC) | Searcy | AR | Roy Otten Memorial Airfield to Searcy Municipal |
| Rosecrans Memorial (STJ) | St Joseph | MO | Roy Otten Memorial Airfield to Rosecrans Memorial |
| Lambert St Louis International (STL) | St Louis | MO | Roy Otten Memorial Airfield to Lambert St Louis International |
| Stroud Municipal (SUD) | Stroud | OK | Roy Otten Memorial Airfield to Stroud Municipal |
| Spirit of St Louis (SUS) | St Louis | MO | Roy Otten Memorial Airfield to Spirit of St Louis |
| Sioux Gateway/Col Bud Day Field (SUX) | Sioux City | IA | Roy Otten Memorial Airfield to Sioux Gateway/Col Bud Day Field |
| Stillwater Regional (SWO) | Stillwater | OK | Roy Otten Memorial Airfield to Stillwater Regional |
| Waynesville St Robert Regional/Forney Field (TBN) | Fort Leonard Wood | MO | Roy Otten Memorial Airfield to Waynesville St Robert Regional/Forney Field |
| Newton Municipal (TNU) | Newton | IA | Roy Otten Memorial Airfield to Newton Municipal |
| Philip Billard Municipal (TOP) | Topeka | KS | Roy Otten Memorial Airfield to Philip Billard Municipal |
| Trenton Municipal (TRX) | Trenton | MO | Roy Otten Memorial Airfield to Trenton Municipal |
| Tulsa International (TUL) | Tulsa | OK | Roy Otten Memorial Airfield to Tulsa International |
| Tupelo Regional (TUP) | Tupelo | MS | Roy Otten Memorial Airfield to Tupelo Regional |
| Texarkana Regional/Webb Field (TXK) | Texarkana | AR | Roy Otten Memorial Airfield to Texarkana Regional/Webb Field |
| Everett-Stewart Regional (UCY) | Union City | TN | Roy Otten Memorial Airfield to Everett-Stewart Regional |
| Waukesha County (UES) | Waukesha | WI | Roy Otten Memorial Airfield to Waukesha County |
| Chicago/Waukegan Regional (UGN) | Chicago | IL | Roy Otten Memorial Airfield to Chicago/Waukegan Regional |
| Baldwin Field/Quincy Regional (UIN) | Quincy | IL | Roy Otten Memorial Airfield to Baldwin Field/Quincy Regional |
| Waukon Municipal Airport (UKN) | Waukon | IA | Roy Otten Memorial Airfield to Waukon Municipal Airport |
| University-Oxford (UOX) | Oxford | MS | Roy Otten Memorial Airfield to University-Oxford |
| Tunica Municipal (UTM) | Tunica | MS | Roy Otten Memorial Airfield to Tunica Municipal |
| Rolla National (VIH) | Rolla/Vichy | MO | Roy Otten Memorial Airfield to Rolla National |
| Vandalia Municipal (VLA) | Vandalia | IL | Roy Otten Memorial Airfield to Vandalia Municipal |
| Porter County Regional (VPZ) | Valparaiso | IN | Roy Otten Memorial Airfield to Porter County Regional |
| Walter A Duncan Field/Illinois Valley Regional (VYS) | Peru | IL | Roy Otten Memorial Airfield to Walter A Duncan Field/Illinois Valley Regional |
| Enid Woodring Regional (WDG) | Enid | OK | Roy Otten Memorial Airfield to Enid Woodring Regional |
| Strother Field (WLD) | Winfield | KS | Roy Otten Memorial Airfield to Strother Field |
| Baxter County (WMH) | Mountain Home | AR | Roy Otten Memorial Airfield to Baxter County |
| West Woodward (WWR) | Woodward | OK | Roy Otten Memorial Airfield to West Woodward |
| Grand Geneva Resort (XES) | Lake Geneva | WI | Roy Otten Memorial Airfield to Grand Geneva Resort |
| Northwest Arkansas Regional (XNA) | Fayetteville/Springdale | AR | Roy Otten Memorial Airfield to Northwest Arkansas Regional |
| Chan Gurney Municipal (YKN) | Yankton | SD | Roy Otten Memorial Airfield to Chan Gurney Municipal |
