aids to navigation

communication and navigation aids (COMNAV)

navigation aids (NAVAIDS)

navigation aids deployment group

aids to navigation (ATON)

electronic aids to navigation

electronic navigation aids

U.S. Aids to Navigation System

position and navigation unit / position navigation unit (PNU)

aids

technical training aids

training aids

visual aids

training aids, device simulations and simulators (TADSS)

aids to shooting

aircraft integrated data system (AIDS)

no aids used approach

radio aids

shortrange aids

radio navigational aids

aerial navigation

aid to navigation (ATON)

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 bridge

navigation department

navigation head