tactical air navigation system

position and navigation unit / position navigation unit (PNU)

Air Force tactical air direction net

tactical air control system (TACS)

airborne tactical air battle control system

tactical air battle management system

company tactical group / company tactical team

technical work program in the air navigation field (TWPANF)

Special Committee on Future Air Navigation Systems

air navigation

air navigation charge

air navigation commission

Air Navigation committee

air navigation services economic panel

air-navigation chart

International Sanitary Convention for Air Navigation

Technical Work Program in the Air Navigation Field

radar air-navigation chart

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

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

gimballess inertial navigation system

global navigation satellite system

Guidelines for Realizing Early Benefits from Existing Satellite-Based Navigation System

Guidelines for the Introduction and Operational Use of Global Navigation Satellite System