JM 705 and JM 708 are airborne loop antenna used with the Automatic Direction Finding System. The antenna is a fixed loop ferrite core encased in a low drag aerodynamic composite shell suitable for mounting on the top or bottom exteriors of the aircraft fuselage. It is used with Marconi ADF system AD 380 and HAL ADF System ARC 610A. This antenna is qualified and is suitable for Sea King, Alouette (Cheeta, Chetak), AN 32 and similar aircrafts.