Aircraft earth station (also: aircraft earth radio station) is – according to Article 1.84 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR)[1] – defined as "A mobile earth station in the aeronautical mobile-satellite service located on board an aircraft."
Each station shall be classified by the service in which it operates permanently or temporarily.
See main article: Radiocommunication service.
In accordance with ITU Radio Regulations (article 1) this type of radio station might be classified as follows:
Earth station (article 1.63)