AptBase

Base airport facility data including location, ownership, services, and operational information

Source: NASRTable: APT_BASEVersion: e25086c3e952 (effective 2026-04-16)

Ordered by SITE_NO, SITE_TYPE_CODE. Replaces legacy APT.txt subscriber file. Frequency data moved to FRQ.csv.

Example query

{
  airport(icaoId: "KSFO") {
    arptId
    arptName
    city
    stateCode
    elevation
    aptRwy {
      rwyId
      rwyLen
      rwyWidth
    }
  }
}

Run at https://api.nav.sortie.co/graphql — GraphiQL is available in-browser.

Fields (90)

Field	Type	Description	Units	Enum
effDate ← EFF_DATE	String	The 28-day NASR subscription effective date in format YYYY/MM/DD
siteNo ← SITE_NO	String	Landing facility site number; a unique identifying number
siteTypeCode ← SITE_TYPE_CODE	SiteTypeCode	Landing facility type code		A — AIRPORT B — BALLOONPORT C — SEAPLANE BASE G — GLIDERPORT H — HELIPORT U — ULTRALIGHT
stateCode ← STATE_CODE	StateCode	Associated state post office code; standard two-letter abbreviation for US states and territories		59 values AK — Alaska AL — Alabama AR — Arkansas AS — American Samoa AZ — Arizona CA — California CO — Colorado CT — Connecticut DC — District of Columbia DE — Delaware FL — Florida GA — Georgia GU — Guam HI — Hawaii IA — Iowa ID — Idaho IL — Illinois IN — Indiana KS — Kansas KY — Kentucky LA — Louisiana MA — Massachusetts MD — Maryland ME — Maine MI — Michigan MN — Minnesota MO — Missouri MP — N Mariana Islands MS — Mississippi MT — Montana NC — North Carolina ND — North Dakota NE — Nebraska NH — New Hampshire NJ — New Jersey NM — New Mexico NV — Nevada NY — New York OH — Ohio OK — Oklahoma OR — Oregon PA — Pennsylvania PR — Puerto Rico QM — Midway Islands QW — Wake Island RI — Rhode Island SC — South Carolina SD — South Dakota TN — Tennessee TX — Texas UT — Utah VA — Virginia VI — Virgin Islands VT — Vermont WA — Washington WI — Wisconsin WV — West Virginia WY — Wyoming XL — Palmyra Atoll
arptId ← ARPT_ID	String	Location identifier; unique 3-4 character alphanumeric identifier assigned to the landing facility
city ← CITY	String	Airport associated city name
countryCode ← COUNTRY_CODE	CountryCode	Country post office code where airport is located		16 values AI — Anguilla AN — Netherlands Antilles BM — Bermuda BS — Bahamas CA — Canada FM — Federated States of Micronesia GL — Greenland IO — British Indian Ocean Territory MF — Saint Martin MH — Marshall Islands PR — Puerto Rico PW — Palau SH — Saint Helena TC — Turks and Caicos US — United States VG — British Virgin Islands
regionCode ← REGION_CODE	RegionCode	FAA region code		9 values AAL — Alaska ACE — Central AEA — Eastern AGL — Great Lakes ANE — New England ANM — Northwest Mountain ASO — Southern ASW — Southwest AWP — Western-Pacific
adoCode ← ADO_CODE	AdoCode	FAA district or field office code		22 values AOK — Anchorage ATL — Atlanta BKW — Beckley CHI — Chicago DCA — Washington DC DEN — Denver DET — Detroit DMA — Tucson HAR — Harrisburg HLN — Helena HNL — Honolulu JAN — Jackson LAX — Los Angeles LNM — Lynchburg MEM — Memphis MSP — Minneapolis NYC — New York City ORL — Orlando PHX — Phoenix SEA — Seattle SFO — San Francisco TEX — Fort Worth
stateName ← STATE_NAME	StateName	Associated state name		59 values ALABAMA — Alabama ALASKA — Alaska AMERICAN SAMOA — American Samoa ARIZONA — Arizona ARKANSAS — Arkansas CALIFORNIA — California COLORADO — Colorado CONNECTICUT — Connecticut DELAWARE — Delaware DIST. OF COLUMBIA — District of Columbia FLORIDA — Florida GEORGIA — Georgia GUAM — Guam HAWAII — Hawaii IDAHO — Idaho ILLINOIS — Illinois INDIANA — Indiana IOWA — Iowa KANSAS — Kansas KENTUCKY — Kentucky LOUISIANA — Louisiana MAINE — Maine MARYLAND — Maryland MASSACHUSETTS — Massachusetts MICHIGAN — Michigan MIDWAY ISLANDS — Midway Islands MINNESOTA — Minnesota MISSISSIPPI — Mississippi MISSOURI — Missouri MONTANA — Montana N MARIANA ISLANDS — Northern Mariana Islands NEBRASKA — Nebraska NEVADA — Nevada NEW HAMPSHIRE — New Hampshire NEW JERSEY — New Jersey NEW MEXICO — New Mexico NEW YORK — New York NORTH CAROLINA — North Carolina NORTH DAKOTA — North Dakota OHIO — Ohio OKLAHOMA — Oklahoma OREGON — Oregon PALMYRA ATOLL — Palmyra Atoll PENNSYLVANIA — Pennsylvania PUERTO RICO — Puerto Rico RHODE ISLAND — Rhode Island SOUTH CAROLINA — South Carolina SOUTH DAKOTA — South Dakota TENNESSEE — Tennessee TEXAS — Texas UTAH — Utah VERMONT — Vermont VIRGIN ISLANDS — Virgin Islands VIRGINIA — Virginia WAKE ISLAND — Wake Island WASHINGTON — Washington WEST VIRGINIA — West Virginia WISCONSIN — Wisconsin WYOMING — Wyoming
countyName ← COUNTY_NAME	String	Associated county or parish name; for non-US aerodromes may be territory or province name
countyAssocState ← COUNTY_ASSOC_STATE	CountyAssocState	Post office code for the state where the associated county is located; may differ from the airport's state code; for non-US facilities uses internal codes		76 values AI — Anguilla AN — Netherlands Antilles AS — American Samoa BM — Bermuda BS — Bahamas CN — Canada (various provinces) FM — Fed Sts Micronesia GL — Greenland GP — Guadeloupe GU — Guam IO — British Indian Ocean IQ — US Misc Pacific Islands MF — Saint Martin MH — Marshall Islands MP — N Mariana Islands PW — Palau QM — Midway Island QW — Wake Island SH — Saint Helena TC — Turks and Caicos TQ — Trust Terr. of Pac. VG — Virgin Islands, Brit VI — Virgin Islands XL — Palmyra Atoll AK — AK AL — AL AR — AR AZ — AZ CA — CA CO — CO CT — CT DC — DC DE — DE FL — FL GA — GA HI — HI IA — IA ID — ID IL — IL IN — IN KS — KS KY — KY LA — LA MA — MA MD — MD ME — ME MI — MI MN — MN MO — MO MS — MS MT — MT NC — NC ND — ND NE — NE NH — NH NJ — NJ NM — NM NV — NV NY — NY OH — OH OK — OK OR — OR PA — PA PR — PR RI — RI SC — SC SD — SD TN — TN TX — TX UT — UT VA — VA VT — VT WA — WA WI — WI WV — WV WY — WY
arptName ← ARPT_NAME	String	Official facility name
ownershipTypeCode ← OWNERSHIP_TYPE_CODE	OwnershipTypeCode	Airport ownership type		PU — Publicly Owned PR — Privately Owned MA — Air Force Owned MN — Navy Owned MR — Army Owned CG — Coast Guard Owned
facilityUseCode ← FACILITY_USE_CODE	FacilityUseCode	Facility use designation		PU — Open to the Public PR — Private
latDeg ← LAT_DEG	Int	Airport reference point latitude degrees	degrees
latMin ← LAT_MIN	Int	Airport reference point latitude minutes	minutes
latSec ← LAT_SEC	Float	Airport reference point latitude seconds	seconds
latHemis ← LAT_HEMIS	LatHemis	Airport reference point latitude hemisphere		N — North S — South
latDecimal ← LAT_DECIMAL	Float	Airport reference point latitude in decimal format	degrees
longDeg ← LONG_DEG	Int	Airport reference point longitude degrees	degrees
longMin ← LONG_MIN	Int	Airport reference point longitude minutes	minutes
longSec ← LONG_SEC	Float	Airport reference point longitude seconds	seconds
longHemis ← LONG_HEMIS	LongHemis	Airport reference point longitude hemisphere		E — East W — West
longDecimal ← LONG_DECIMAL	Float	Airport reference point longitude in decimal format	degrees
surveyMethodCode ← SURVEY_METHOD_CODE	ElevMethodCode	Airport reference point determination method		E — Estimated S — Surveyed
elev ← ELEV	Float	Airport elevation measured at the highest point on the centerline of the usable landing surface, to the nearest tenth of a foot MSL	feet MSL
elevMethodCode ← ELEV_METHOD_CODE	ElevMethodCode	Airport elevation determination method		E — Estimated S — Surveyed
magVarn ← MAG_VARN	Int	Magnetic variation in whole degrees	degrees
magHemis ← MAG_HEMIS	LongHemis	Magnetic variation direction		E — East W — West
magVarnYear ← MAG_VARN_YEAR	Int	Magnetic variation epoch year
tpa ← TPA	Int	Traffic pattern altitude in whole feet AGL	feet AGL
chartName ← CHART_NAME	String	Aeronautical sectional chart on which the facility appears
distCityToAirport ← DIST_CITY_TO_AIRPORT	Int	Distance from the central business district of the associated city to the airport	nautical miles
directionCode ← DIRECTION_CODE	DirectionCode	Direction of airport from central business district of associated city, to nearest 1/8 compass point		16 values N — North NNE — North-Northeast NE — Northeast ENE — East-Northeast E — East ESE — East-Southeast SE — Southeast SSE — South-Southeast S — South SSW — South-Southwest SW — Southwest WSW — West-Southwest W — West WNW — West-Northwest NW — Northwest NNW — North-Northwest
acreage ← ACREAGE	Int	Land area covered by the airport	acres
respArtccId ← RESP_ARTCC_ID	String	Responsible ARTCC identifier; the FAA Air Route Traffic Control Center that has control over the airport
computerId ← COMPUTER_ID	String	Responsible ARTCC FAA computer identifier
artccName ← ARTCC_NAME	String	Responsible ARTCC name
fssOnArptFlag ← FSS_ON_ARPT_FLAG	ContrFuelAvbl	Indicates whether the tie-in FSS is physically located on the facility		Y — Tie-in FSS is on the airport N — Tie-in FSS is not on airport
fssId ← FSS_ID	String	Tie-in Flight Service Station (FSS) identifier
fssName ← FSS_NAME	String	Tie-in FSS name
phoneNo ← PHONE_NO	String	Local phone number from airport to FSS for administrative services
tollFreeNo ← TOLL_FREE_NO	String	Toll-free phone number from airport to FSS for pilot briefing services
altFssId ← ALT_FSS_ID	String	Alternate FSS identifier; the full-time FSS that assumes responsibility for the airport during off-hours of a part-time primary FSS
altFssName ← ALT_FSS_NAME	String	Alternate FSS name
altTollFreeNo ← ALT_TOLL_FREE_NO	String	Toll-free phone number from airport to alternate FSS for pilot briefing services
notamId ← NOTAM_ID	String	Identifier of the facility responsible for issuing NOTAMs and weather information for the airport
notamFlag ← NOTAM_FLAG	ContrFuelAvbl	Availability of NOTAM 'D' service at airport		Y — Yes N — No
activationDate ← ACTIVATION_DATE	String	Airport activation date (YYYY/MM); the year and month the facility was added to the NFDC airport database; only available for facilities opened since 1981
arptStatus ← ARPT_STATUS	ArptStatus	Airport status code		CI — Closed Indefinitely CP — Closed Permanently O — Operational
far139TypeCode ← FAR_139_TYPE_CODE	Far139TypeCode	Airport ARFF certification type and index code under CFR Part 139; format is class code (I, II, III, or IV) followed by a letter (A-E for full certificate, L for limited); blank indicates not certificated		11 values I A — Class I, Index A I B — Class I, Index B I C — Class I, Index C I D — Class I, Index D I E — Class I, Index E II A — Class II, Index A III A — Class III, Index A IV A — Class IV, Index A IV B — Class IV, Index B IV C — Class IV, Index C IV E — IV E
far139CarrierSerCode ← FAR_139_CARRIER_SER_CODE	Far139CarrierSerCode	Airport ARFF certification carrier service code		S — Scheduled air carrier service from CAB-certificated carriers U — Not receiving scheduled service
arffCertTypeDate ← ARFF_CERT_TYPE_DATE	String	Airport ARFF certification date in format YYYY/MM
naspCode ← NASP_CODE	NaspCode	NPIAS/Federal agreements code; a combination of 1 to 7 codes indicating the type of federal agreements existing at the airport		28 values N — National Plan of Integrated Airport Systems (NPIAS) B — Installation of navigational facilities on privately owned airports under F&E program G — Grant agreements under FAAP/ADAP/AIP H — Compliance with accessibility to the handicapped P — Surplus property agreement under Public Law 289 R — Surplus property agreement under Regulation 16-WAA S — Conveyance under Section 16 Federal Airport Act of 1946 or Section 23 Airport and Airway Development Act of 1970 V — Advance planning agreement under FAAP X — Obligations assumed by transfer Y — Assurances pursuant to Title VI Civil Rights Act of 1964 Z — Conveyance under Section 303(C) Federal Aviation Act of 1958 1 — Grant agreement has expired but remains in effect as long as facility is public use 2 — Section 303(C) authority has expired but agreement remains in effect as long as facility is public use 3 — AP-4 agreement under DLAND or DCLA has expired NONE — No grant agreement exists 1MY — 1MY 30214 — 30214 32195 — 32195 76450 — 76450 78006 — 78006 78362 — 78362 LOA — LOA MY — MY N4 — N4 N5 — N5 NBMY — NBMY NGYM — NGYM NMY — NMY
aspAnlysDtrmCode ← ASP_ANLYS_DTRM_CODE	AspAnlysDtrmCode	Airport airspace analysis determination		CONDL — Conditional NOT ANALYZED — Not Analyzed NO OBJECTION — No Objection OBJECTIONABLE — Objectionable
custFlag ← CUST_FLAG	ContrFuelAvbl	Facility designated by US Department of Homeland Security as an international airport of entry for customs		Y — Yes N — No
lndgRightsFlag ← LNDG_RIGHTS_FLAG	ContrFuelAvbl	Facility designated by US Department of Homeland Security as a customs landing rights airport		Y — Yes N — No
jointUseFlag ← JOINT_USE_FLAG	ContrFuelAvbl	Facility has military/civil joint use agreement allowing civil operations at a military airport		Y — Yes N — No
milLndgFlag ← MIL_LNDG_FLAG	ContrFuelAvbl	Airport has entered into an agreement that grants landing rights to the military		Y — Yes N — No
inspectMethodCode ← INSPECT_METHOD_CODE	InspectMethodCode	Airport inspection method		F — Federal S — State C — Contractor 1 — 5010-1 Public Use Mailout Program 2 — 5010-2 Private Use Mailout Program
inspectorCode ← INSPECTOR_CODE	InspectorCode	Agency or group performing physical inspection		F — FAA Airports Field Personnel S — State Aeronautical Personnel C — Private Contract Personnel N — Owner
lastInspection ← LAST_INSPECTION	String	Last physical inspection date (YYYY/MM/DD)
lastInfoResponse ← LAST_INFO_RESPONSE	String	Last date information request was completed by facility owner or manager (YYYY/MM/DD)
fuelTypes ← FUEL_TYPES	String	Fuel types available for public use at the airport; comma-separated list of fuel type codes		19 values 100 — Grade 100 gasoline (Green) 100LL — 100LL gasoline low lead (Blue) 100R — Unleaded Grade 100 gasoline A — Jet A Kerosene without FS-II freeze point minus 40 degrees C A+ — Jet A Kerosene with FS-II freeze point minus 40 degrees C A++ — Jet A Kerosene with FS-II CI/LI SDA freeze point minus 40 degrees C A++10 — Jet A Kerosene with FS-II CI/LI SDA freeze point minus 40 degrees C with +100 additive A1 — Jet A-1 Kerosene without FS-II freeze point minus 47 degrees C A1+ — Jet A-1 Kerosene with FS-II freeze point minus 47 degrees C G100UL — Unleaded Grade 100 gasoline (same as G100 in txt file) H — Hydrogen J5 — JP-5 military specification kerosene with FS-II freeze point minus 46 degrees C J8 — JP-8 military specification Jet A-1 kerosene with FS-II CI/LI SDA freeze point minus 47 degrees C J8+10 — JP-8+100 military specification Jet A-1 with FS-II CI/LI SDA freeze point minus 47 degrees C with +100 additive J — Jet fuel type unknown MOGAS — Automobile gasoline used as aircraft fuel UL91 — Unleaded Grade 91 gasoline UL94 — Unleaded Grade 94 gasoline UL100 — Unleaded Grade 100 gasoline
airframeRepairSerCode ← AIRFRAME_REPAIR_SER_CODE	AirframeRepairSerCode	Airframe repair service availability and type		MAJOR — Major airframe repair service MINOR — Minor airframe repair service NONE — No airframe repair service
pwrPlantRepairSer ← PWR_PLANT_REPAIR_SER	AirframeRepairSerCode	Power plant (engine) repair service availability and type		MAJOR — Major power plant repair service MINOR — Minor power plant repair service NONE — No power plant repair service
bottledOxyType ← BOTTLED_OXY_TYPE	BottledOxyType	Type of bottled oxygen available; represents high and/or low pressure replacement bottle		HIGH — High pressure bottled oxygen LOW — Low pressure bottled oxygen HIGH/LOW — Both high and low pressure bottled oxygen NONE — No bottled oxygen available
bulkOxyType ← BULK_OXY_TYPE	BottledOxyType	Type of bulk oxygen available; represents high and/or low pressure cylinders		HIGH — High pressure bulk oxygen LOW — Low pressure bulk oxygen HIGH/LOW — Both high and low pressure bulk oxygen NONE — No bulk oxygen available
lgtSked ← LGT_SKED	BcnLgtSked	Airport lighting schedule; beginning-ending times (local) that standard airport lights are operated		SS-SR — Sunset to Sunrise SEE RMK — See facility remark data entry
bcnLgtSked ← BCN_LGT_SKED	BcnLgtSked	Beacon lighting schedule; beginning-ending times (local) that the rotating airport beacon light is operated		SS-SR — Sunset to Sunrise SEE RMK — See facility remark data entry
twrTypeCode ← TWR_TYPE_CODE	TwrTypeCode	Air traffic control tower facility type; NON-ATCT is equivalent to no ATC tower, all others indicate ATC tower present		ATCT — Air Traffic Control Tower NON-ATCT — No Air Traffic Control Tower on airport ATCT-A/C — Air Traffic Control Tower plus Approach Control ATCT-RAPCON — Air Traffic Control Tower plus Radar Approach Control (Air Force operates ATCT/FAA operates Approach Control) ATCT-RATCF — Air Traffic Control Tower plus Radar Approach Control (Navy operates ATCT/FAA operates Approach Control) ATCT-TRACON — Air Traffic Control Tower plus Terminal Radar Approach Control
segCircleMkrFlag ← SEG_CIRCLE_MKR_FLAG	SegCircleMkrFlag	Segmented circle airport marker system on the airport		Y — Yes N — No Y-L — Yes, lighted
bcnLensColor ← BCN_LENS_COLOR	BcnLensColor	Lens color of operable beacon located on the airport		7 values WG — White-Green (lighted land airport) WY — White-Yellow (lighted seaplane base) WGY — White-Green-Yellow (heliport) SWG — Split-White-Green (lighted military airport) W — White (unlighted land airport) Y — Yellow (unlighted seaplane base) G — Green (lighted land airport)
lndgFeeFlag ← LNDG_FEE_FLAG	ContrFuelAvbl	Landing fee charged to non-commercial users of airport		Y — Yes N — No
medicalUseFlag ← MEDICAL_USE_FLAG	ContrFuelAvbl	Indicates that the landing facility is used for medical purposes		Y — Yes N — No
arptPsnSource ← ARPT_PSN_SOURCE	ArptElevSource	Airport position source		18 values 3RD PARTY SURVEY — Third party survey ADAM — ADAM ADO — FAA District Office AIP — Aeronautical Information Publication ARPTS CONTRACTOR — Airports contractor AVN — Aviation DOD (NGA) — Department of Defense National Geospatial-Intelligence Agency FAA — Federal Aviation Administration FAA OE/AAA — FAA Obstruction Evaluation/Airport Airspace Analysis FAA-EST — FAA Estimated FAA-EST IMAGERY — FAA Estimated from Imagery MILITARY — Military NACO — National Aeronautical Charting Office NGS — National Geodetic Survey NGS-CALCULATED — NGS Calculated OWNER — Airport Owner REGION — FAA Region STATE — State
positionSrcDate ← POSITION_SRC_DATE	String	Airport position source date (YYYY/MM/DD)
arptElevSource ← ARPT_ELEV_SOURCE	ArptElevSource	Airport elevation source		18 values 3RD PARTY SURVEY — Third party survey ADAM — ADAM ADO — FAA District Office AIP — Aeronautical Information Publication ARPTS CONTRACTOR — Airports contractor AVN — Aviation DOD (NGA) — Department of Defense National Geospatial-Intelligence Agency FAA — Federal Aviation Administration FAA OE/AAA — FAA Obstruction Evaluation/Airport Airspace Analysis FAA-EST — FAA Estimated FAA-EST IMAGERY — FAA Estimated from Imagery MILITARY — Military NACO — National Aeronautical Charting Office NGS — National Geodetic Survey NGS-CALCULATED — NGS Calculated OWNER — Airport Owner REGION — FAA Region STATE — State
elevationSrcDate ← ELEVATION_SRC_DATE	String	Airport elevation source date (YYYY/MM/DD)
contrFuelAvbl ← CONTR_FUEL_AVBL	ContrFuelAvbl	Contract fuel available at airport		Y — Yes N — No
trnsStrgBuoyFlag ← TRNS_STRG_BUOY_FLAG	ContrFuelAvbl	Buoy transient storage facilities available		Y — Yes N — No
trnsStrgHgrFlag ← TRNS_STRG_HGR_FLAG	ContrFuelAvbl	Hangar transient storage facilities available		Y — Yes N — No
trnsStrgTieFlag ← TRNS_STRG_TIE_FLAG	ContrFuelAvbl	Tie-down transient storage facilities available		Y — Yes N — No
otherServices ← OTHER_SERVICES	OtherServices	Other airport services available; comma-separated list of service codes		14 values AFRT — Air freight services AGRI — Crop dusting services AMB — Air ambulance services AVNCS — Avionics BCHGR — Beaching gear CARGO — Cargo handling services CHTR — Charter service GLD — Glider service INSTR — Pilot instruction PAJA — Parachute jump activity RNTL — Aircraft rental SALES — Aircraft sales SURV — Annual surveying TOW — Glider towing services
windIndcrFlag ← WIND_INDCR_FLAG	SegCircleMkrFlag	Indicates whether a wind indicator exists at the airport		N — No wind indicator Y — Unlighted wind indicator exists Y-L — Lighted wind indicator exists
icaoId ← ICAO_ID	String	ICAO identifier for the airport
minOpNetwork ← MIN_OP_NETWORK	ContrFuelAvbl	Minimum Operational Network (MON) designation		Y — Yes N — No
userFeeFlag ← USER_FEE_FLAG	UserFeeFlag	US Customs user fee airport designation; if flagged, airport will be designated with text 'US CUSTOMS USER FEE ARPT'		Y — Yes N — No US CUSTOMS USER FEE ARPT. — US CUSTOMS USER FEE ARPT.
cta ← CTA	String	Cold temperature airport; altitude correction required at or below the temperature given in Celsius	degrees Celsius

Relationships

aptRwy → [AptRwy]on SITE_NO
aptRmk → [AptRmk]on SITE_NO
aptCon → [AptCon]on SITE_NO
aptArs → [AptArs]on SITE_NO
aptAtt → [AptAtt]on SITE_NO
ilsBase → [IlsBase]on SITE_NO
awos → [Awos]on SITE_NO