terrestrial navigation

terrestrial ellipsoid

effective terrestrial radiation

terrestrial equator

terrestrial gravity force

terrestrial radiation

TErrestrial Trunked RAdio (TETRA)

position and navigation unit / position navigation unit (PNU)

aerial navigation

aid to navigation (ATON)

communication and navigation aids (COMNAV)

constant-bearing guidance / homing / navigation

Global Navigation Satellite System (GLONASS)

Global Navigation Satellite System (GNSS)

inertial navigation and attack system (INAS)

inertial navigation system (INS)

land navigation

maritime navigation

navigation

navigation aids (NAVAIDS)

navigation bridge

navigation department

navigation head

navigation radar

navigation rights

navigation satellite

NAVigation Satellites providing Time And Range (NAVSTAR)

navigation skills

navigation(al) equipment

navigational aid (NAVAIDs); aid to navigation (ATON)

piloting and navigation system

position navigation equipment

position, navigation, and timing (PNT)