scope:

- The equipment covered by this specification shall receive radio telephony (A-3), MCW (A-2), and CW telegraphy (A-1). It shall be suitable for installation in military aircraft and for local operation and shall require no remote control facilities.

- The equipment covered by this specification shall consist of the following items:

Item Type Designation Appl. Para. Receiver, Radio R-648/ARR-41 3.4.1 Mounting MT-1518/ARR-41 3.4.1

- When installed in aircraft, the radio receiving set will be connected to and used with equipment generally similar to that listed below. These associated equipments are not a part of the radio receiving set and shall not be furnished by the contractor as part of the equipment.

Antenna - Fixed Aircraft

Headset - H-173/AR or equivalent

Interconnecting Box - J-1013/AIC

Intercommunication Set - AN/AIC-14 or equivalent

Antenna Coupler - CU-3511/AR (Optional Use Only)