scope:

- The Electronic Centrals covered by this specification shall provide communication, navigation, and identification facilities required in naval aircraft to carry out military missions.

- The Integrated Electronic Centrals shall be of three types which together shall include the following equipments:

Item Name Type Designation 1 Receiver-Transmitter, Radio RT-542/ASQ 2 Receiver-Transmitter, Radio RT-541/ASQ 3 Decoder, Pulse KY-309/ASQ 4 Coder-Receiver-Transmitter KY-308(*)/ASQ 5 Amplifier-Power Supply-Receiver AM-2310/ASQ 6 Antenna AS-909/ARA-48 7 Control, Radio Set C-3146/ASQ 8 Mounting-Plenum MT-2243/ASQ-56 9 Control, Radio Set C-2790/ARC 10 Switching Unit SA-629/ARC 11 Mounting MT-2141/ARC 12 Indicator, Frequency Channel ID-758/ARC 13 Mounting-Plenum MT-2244/ASQ Item Name Type Designation 14 Control, Radio Set C-2791/ARC 15 Receiver-Transmitter, Radio RT-559/ASQ-58 16 Control, Radio Set C-1607/ARC-52 17 Control, Radar Set C-1159/APX-6B 18 Control, Radar Set C-1272A/APA-89 19 Control, Receiver C-1457/ARR-40

- The Electronic Centrals covered by this specification shall include the following equipments. Each central shall consist of the items and quantities as specified below:

*Items Required for Each Central AN/ASQ-56 AN/ASQ-57 AN/ASQ-58 Item 1 Item 1 Item 1 2 2 2 3 3 3 4 4 4 5 5 5 6 6 6 7 (2) 7 7 8 9 13 9 (2) 10 14 10 11 15 11 12 16 12 (2) 13 17 17 17 18 18 18 19 (2) 19

*Item numbers correspond to items of paragraph 1.2. Quantity of each item is one unless otherwise designated by quantity in parenthesis.

intended Use:

- The Electronic Centrals covered by this specification shall provide communication, navigation, and identification facilities required in naval aircraft to carry out military missions.