Roughly one-fifth of military aircraft operated by the U.S. Defense Department will be equipped for automatic dependent surveillance-broadcast (ADS-B) Out by the FAA’s January 2020 compliance date, according to numbers released by the Pentagon.
The U.S. Air Force, the lead service overseeing implementation, reports that 2,936 manned aircraft will be fitted to signal their position to ground controllers by ADS-B Out as of Jan. 1. The number represents 21.5% of the 13,596 aircraft operated by the Air Force, Army, Navy, Marine Corps and Special Operations Command, according to Aviation Week’s Military Fleet Discovery Tool.
The leading category of ADS-B-equipped aircraft will be helicopters (1,129), followed by air mobility and transport aircraft (923), command and control/intelligence surveillance and reconnaissance aircraft (259) and trainers (625), the Air Force said.
As of the regulation’s compliance date, aircraft flying in most U.S. controlled airspace must be equipped to broadcast their GPS-derived position and other information at once per second to the FAA’s nationwide network of ground ratio stations—the function called ADS-B Out.
To interact with the ground network, higher-flying aircraft require DO-260B standard Version 2 ADS-B Out systems, including Mode S 1090 MHz Extended Squitter transponder and GPS Wide Area Augmentation System-capable position sensor.