U.S. Aids to Navigation System

communication and navigation aids (COMNAV)

navigation aids (NAVAIDS)

navigation aids deployment group

aids to navigation (ATON)

electronic aids to navigation

electronic navigation aids

aids to navigation

aircraft integrated data system (AIDS)

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

no aids used approach

radio aids

shortrange aids

radio navigational aids

Global Navigation Satellite System (GLONASS)

Global Navigation Satellite System (GNSS)

inertial navigation and attack system (INAS)

inertial navigation system (INS)

piloting and navigation system

airborne targeting low altitude navigation thermal imaging and cueing (system)

ground-referenced navigation system

strap-down inertial navigation system

celestial navigation system

navigation leg coordinate system

tactical air navigation system

Charter on the rights and obligations of States relating to global navigation satellite system (GNSS) services

gimballess inertial navigation system