- KNEWLakefront
- KOAKOakland San Francisco Bay
- KOCFOcala International Jim Taylor Field
- KOCHNacogdoches A L Mangham Jr Regional
- KODOOdessa Schlemeyer Field
- KOEBBranch County Memorial
- KOEOL O Simenstad Municipal
- KOFPHanover County Municipal
- KOGDOgden Hinckley
- KOJAWeatherford Stafford
- KOJCJohnson County Executive
- KOKKKokomo Municipal
- KOLMOlympia Regional
- KOLUColumbus Municipal
- KOLVOlive Branch Taylor Field
- KOMAEppley Airfield
- KOMNOrmond Beach Municipal
- KONTOntario International
- KONXCurrituck County Regional
- KOOAOskaloosa Municipal
- KOPFMiami Opa Locka Executive
- KOQNBrandywine Regional
- KOREOrange Municipal
- KORFNorfolk International
- KORHWorcester Regional
- KORKNorth Little Rock Municipal
- KORLOrlando Executive
- KOSCOscoda Wurtsmith
- KOSHWittman Regional
- KOSUOhio State University
- KOTGWorthington Municipal
- KOTMOttumwa Regional
- KOUNUniversity of Oklahoma Westheimer
- KOVEOroville Municipal
- KOWAOwatonna Degner Regional
- KOWDNorwood Memorial
- KOXBOcean City Municipal
- KOXCWaterbury Oxford
- KOXDMiami University
- KOXROxnard
- KOZWLivingston County Spencer J Hardy
- KPAESeattle Paine Field International
- KPANPayson
- KPAOPalo Alto
- KPCWErie Ottawa International
- KPCZWaupaca Municipal
- KPDKDekalb Peachtree
- KPDTEastern Oregon Regional at Pendleton
- KPEAPella Municipal
- KPGDPunta Gorda
- KPGVPitt Greenville
- KPHDHarry Clever Field
- KPHFNewport News Williamsburg International
- KPHNSt Clair County International
- KPIESt Pete Clearwater International
- KPIHPocatello Regional
- KPIRPierre Regional
- KPKVCalhoun County
- KPLRSt Clair County
- KPLUPierce County Thun Field
- KPMHGreater Portsmouth Regional
- KPMPPompano Beach Airpark
- KPNARalph Wenz Field
- KPNENortheast Philadelphia
- KPNSPensacola International
- KPNTPontiac Municipal
- KPOCBrackett Field
- KPOFPoplar Bluff Regional Business
- KPOUHudson Valley Regional
- KPPOLa Porte Municipal
- KPRBPaso Robles Municipal
- KPRCPrescott Regional Ernest A Love Field
- KPRZPortales Municipal
- KPSCTri Cities
- KPSFPittsfield Municipal
- KPSKNew River Valley
- KPSMPortsmouth International at Pease
- KPSPPalm Springs International
- KPTDPotsdam Municipal Damon Field
- KPTKOakland County International
- KPTWHeritage Field
- KPUBPueblo Memorial
- KPUCCarbon County Regional Buck Davis Field
- KPUJPaulding Northwest Atlanta
- KPUWPullman Moscow Regional
- KPVFPlacerville
- KPVGHampton Roads Executive
- KPVUProvo Municipal
- KPWAWiley Post
- KPWGMc Gregor Executive
- KPWKChicago Executive
- KPWMPortland International Jetport
- KPWTBremerton National
- KPXEPerry Houston County
- KPYMPlymouth Municipal