- Suwannee Belle AirportIdent: 9FL0Serves: Live Oak
- Suwannee County AirportIdent: K24JServes: Live Oak
- Suwannee Farms AirportIdent: FL18Serves: O'Brien
- Suzie FieldIdent: 8MD0Serves: Woodbine
- Svitak AirportIdent: 52NEServes: Morrill
- Swaids FieldIdent: 2GA2Serves: Springfield
- Swains Creek AirportIdent: UT00Serves: Alton
- Swamp Smith AirportIdent: 34LAServes: DeRidder
- Swan AirportIdent: WI70Serves: Elkhorn
- Swan Creek AirportIdent: 73MDServes: Rock Hall
- Swan Creek AirportIdent: 78AServes: Jonesville
- Swan FieldIdent: WS36Serves: Almond
- Swan Valley Farm AirportIdent: 1IS4Serves: Lanark
- Swank AirportIdent: MT38Serves: Poplar
- Swank AirportIdent: PS36Serves: Clarksburg
- Swans FieldIdent: 3S2Serves: Dixfield
- Swansboro Country AirportIdent: 01CLServes: Placerville
- Swanson AirportIdent: 2W3Serves: Eatonville
- Swanson FieldIdent: MY95Serves: Crown
- Swanson Ranch 3 AirportIdent: NV64Serves: Battle Mountain
- Sweetbriar AirportIdent: 83OKServes: Murry Spur
- Sweetwater (USMC) AirportIdent: NV72Serves: Wellington
- Swensen AirportIdent: 4WN2Serves: Vesper
- Swiderski FieldIdent: MN85Serves: Onamia
- Swift Creek AirportIdent: AK31Serves: Mccarthy
- Swift Run FieldIdent: US-8976Serves: New Oxford
- Swigart AirportIdent: OH78Serves: Laura
- Swinton Smith Field at Reidsville Municipal AirportIdent: KRVJServes: Reidsville
- Sword Flight Park UltralightIdent: US-8519Serves: Vinton
- Sword's Landing AirportIdent: US-0606Serves: Greenville
- Sybert Farm AirportIdent: 40TEServes: Jarrell
- Sycamore AirportIdent: LA79Serves: Amite
- Sycamore StripIdent: K9F9Serves: Fort Worth
- Sydal Acres AirportIdent: 58LAServes: Jackson
- Sylvania AirportIdent: C89Serves: Sturtevant
- Sylvanmir Farms AirportIdent: 6FL4Serves: Keaton Beach
- Sylvester AirportIdent: KSYVServes: Sylvester
- Symms AirportIdent: 08IDServes: Marsing
- Syracuse Hamilton County Municipal AirportIdent: K3K3Serves: Syracuse
- Syracuse Suburban AirportIdent: 6NKServes: Syracuse
- Syvrud AirportIdent: 7WI5Serves: Brooklyn
- T & T AirportIdent: IN15Serves: Vincennes
- T Bar AirportIdent: K2F4Serves: Tahoka
- T R Funk Inc AirportIdent: 92XSServes: Raymondville
- T W Spear Memorial AirportIdent: 4AL9Serves: Lapine
- T-4 Ranch AirportIdent: XS13Serves: Medina
- T-Bo Field AirportIdent: WI32Serves: Chippewa Falls
- T-Ranch AirportIdent: XS86Serves: Devine
- T-Top AirfieldIdent: TN14Serves: Eagleville
- Table Mountain FieldIdent: 5CL9Serves: Auberry
- Table Rock AirportIdent: MO32Serves: Golden
- Table Rock AirportIdent: OG06Serves: Christmas Valley
- Tachick FieldIdent: WS29Serves: Pound
- Taft Kern County AirportIdent: KL17Serves: Taft
- Tahlequah Municipal AirportIdent: KTQHServes: Tahlequah
- Tai's Landing AirportIdent: WN61Serves: Spokane
- Taildragger AirportIdent: OA00Serves: Cambridge
- Tailskid Ranch AirportIdent: 39WAServes: Tum Tum
- Tailspin Estates AirportIdent: 58TXServes: Weatherford
- Tailwheel Acres AirportIdent: 1XA6Serves: Valley View