Components OEMs Radar Transceiver IFF RT 621-A-AB UHF 51BX HF Control Radio Set DB Amp 3 Station Gyro Magnetic Aircond Controller ADF Cont Unit Cabin Temp Controller Annuciator Relay Trim Elevator Pressure Control Channel Monitor Outside Air Temp Coupler Control Alarm Fire Detection IFF RT-859 UHF RT1145B Radar RT-1059 (AN/APQ) Fuel Qty Unit Gyroscope INU 92 Blanket Electronic Unit Etc Northrop Grumman Selex Thales Ametek Air Goodrich Honeywell Triump Raytheon Emerson Steward Airpath Rockwell Collins Telair BAE Litton DRS General Dynamics Etc