An aircraft station (also: aircraft radio station) is – according to Article 1.83 of the International Telecommunication Union´s (ITU) ITU Radio Regulations (RR) – defined as "A mobile radio station in the aeronautical mobile service, other than survival craft station, located on board an aircraft".
Each station shall be classified by the service in which it operates permanently or temporarily.
US Navy Grumman C-2 Greyhound used for Aeronautical mobile (OR) service
AN/ARC-164 (Receiver/Transmitter RT-1504) used for Aeronautical mobile (OR) service/Quick II.
AN/ARC-164 (Control Panel, C-11719) used for Aeronautical mobile (OR) service/Quick II.