The Navdatabase object serves as a global navigation database. It contains data on waypoints, airports, airways, flight information regions (FIRs), and ICAO country codes.

Name	Value	Description
wpid	string	identifier
wplat	deg	latitude
wplon	deg	longitude
wptype	string	type: VOR, NDB, ILS, LOC, GS, OM, MM, IM, DME, TACAN, or FIX
wpelev	m	elevation
wpvar	deg	magnetic variation
wpfreq	kHz/MHz	Navaid frequency kHz(NDB) or MHz(VOR)
wpdesc	string	description

Name	Value	Description
awid	string	identifier
awfromwpid	string	from waypoint identifier
awfromlat	deg	from waypoint latitude
awfromlon	deg	from waypoint longitude
awtowpid	string	to waypoint identifier
awtolat	deg	to waypoint latitude
awtolon	deg	to waypoint longitude
awndir	1 or 2	number of directions
awlowfl	int	lowest flight level
awupfl	int	highest flight level

Name	Value	Description
apid	string	ICAO 4-character identifier
apname	string	full name
aplat	deg	latitude
aplon	deg	longitude
apmaxrwy	m	max runway length
aptype	1, 2, or 3	type: 1=large, 2=medium, 3=small
apco	string	2-character country code
apelev	m	field elevation above mean sea level

Name	Value	Description
fir	string	FIR name
firlat0	deg	start latitude of a line of border
firlon0	deg	start longitude of a line of border
firlat1	deg	end latitude of a line of border
firlon1	deg	end longitude of a line of border

Name	Value	Description
coname	string	full name
cocode2	string	2-character (A2) code
cocode3	string	3-character (A3) code
conr	integer	country number

Name	Value	Description
rwythresholds	-	runway threshold data: ICAO airport code, runway identifier, latitude, longitude, bearing