MaaBase

Base record for each Miscellaneous Activity Area (MAA), including type, location, altitude limits, and usage information

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

Ordered by MAA_ID. NEAREST_ARPT, NEAREST_ARPT_DIST, NEAREST_ARPT_DIR, and CHECK_NOTAMS only apply to Space Launch Activity Areas.

Example query

# Introspect the MaaBase type in GraphiQL at https://api.nav.sortie.co/graphql
# Example shape (pair with a compatible root query field):
{
  # ...rootQuery... {
    effDate
    maaId
    maaTypeName
    navId
  # }
}

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

Fields (24)

Field	Type	Description	Units	Enum
effDate ← EFF_DATE	String	The 28-day NASR Subscription Effective Date in format YYYY/MM/DD
maaId ← MAA_ID	String	Unique identifier for a Miscellaneous Activity Area
maaTypeName ← MAA_TYPE_NAME	MaaTypeName	Type of Miscellaneous Activity Area		7 values AEROBATIC PRACTICE — Aerobatic practice area GLIDER — Glider activity area HANG GLIDER — Hang glider activity area SPACE LAUNCH — Space launch activity area ULTRALIGHT — Ultralight aircraft activity area UNMANNED AIRCRAFT — Unmanned aircraft activity area OTHER — Other miscellaneous activity area
navId ← NAV_ID	String	NAVAID facility identifier with which the MAA is associated
navType ← NAV_TYPE	NavType	NAVAID facility type with which the MAA is associated		13 values CONSOLAN — A low frequency, long-distance NAVAID used principally for transoceanic navigation DME — Distance Measuring Equipment only FAN MARKER — En route marker beacon used to provide positive identification of positions at definite points along airways MARINE NDB — Non Directional Beacon used primarily for marine (surface) navigation MARINE NDB/DME — Non Directional Beacon with associated Distance Measuring Equipment used primarily for marine navigation NDB — Non Directional Beacon NDB/DME — Non Directional Beacon with associated Distance Measuring Equipment TACAN — Tactical Air Navigation System providing azimuth and slant range distance UHF/NDB — Ultra High Frequency/Non Directional Beacon VOR — VHF Omni-Directional Range providing azimuth only VORTAC — Facility consisting of VOR and TACAN components providing VOR azimuth, TACAN azimuth, and TACAN distance (DME) VOR/DME — VHF Omni-Directional Range with associated Distance Measuring Equipment VOT — FAA VOR Test Facility
navRadial ← NAV_RADIAL	Float	Azimuth in degrees from the associated NAVAID (0-359.99)	degrees
navDistance ← NAV_DISTANCE	Float	Distance in nautical miles from the associated NAVAID	nautical miles
stateCode ← STATE_CODE	String	Two-letter postal abbreviation for the state where the MAA is located
city ← CITY	String	City name associated with the MAA
latitude ← LATITUDE	String	Latitude of the MAA center point, formatted as DD-MM-SS.SSSSh
longitude ← LONGITUDE	String	Longitude of the MAA center point, formatted as DDD-MM-SS.SSSSh
arptIds ← ARPT_IDS	String	List of landing facility identifiers with which the MAA is associated
nearestArpt ← NEAREST_ARPT	String	Nearest airport identifier; only applies to Space Launch Activity Areas
nearestArptDist ← NEAREST_ARPT_DIST	Float	Distance to the nearest airport in nautical miles; only applies to Space Launch Activity Areas	nautical miles
nearestArptDir ← NEAREST_ARPT_DIR	String	Cardinal direction to the nearest airport; only applies to Space Launch Activity Areas
maaName ← MAA_NAME	String	Name of the Miscellaneous Activity Area
maxAlt ← MAX_ALT	String	Maximum altitude allowed within the MAA, expressed with unit suffix (AGL or MSL)	feet AGL or feet MSL
minAlt ← MIN_ALT	String	Minimum altitude allowed within the MAA, expressed with unit suffix (AGL or MSL)	feet AGL or feet MSL
maaRadius ← MAA_RADIUS	Float	Radius of the MAA area in nautical miles from the center point; used for circular MAAs	nautical miles
description ← DESCRIPTION	String	Additional descriptive free-form text providing details about the MAA area shape, size, and usage
maaUse ← MAA_USE	MaaUse	Indicates whether the MAA is for civil, military, or joint use		CIVIL — Civil use only JOINT — Joint civil and military use MILITARY — Military use only
checkNotams ← CHECK_NOTAMS	String	ARTCC or facility identifiers to check for NOTAMs; only applies to Space Launch Activity Areas
timeOfUse ← TIME_OF_USE	String	Free-form description of the times during which the MAA is in use
userGroupName ← USER_GROUP_NAME	String	Name and description of the user group associated with the MAA