5 APRIL 1962
16 SEPTEMBER 1960
MILITARY SPECIFICATION .
EJECTOR, RETRO, PNEUMATIC, MARINE MARKER A/A47U- 1 (*)
This specification has been approved by the
Bureau of Naval Weapons, Department of the Navy.
Scope - The equipment covered by this specification shall launch rounds from
Naval ASW Aircraft in an aft direction with an ejection velocity equal to the aircraft speed so that
the round will mark the spot in the water which was directly below the aircraft at the instant of
launching the round.
Classification - The Marine Marker Pneumatic Retro-Ejector A/A47U-1(*)
shall consist of the following items:
Local Control PEK-22/A47U-l
Remote Control PEK-23/A47U-l
Air Reservoir TMK-60/A47U-l
General - The applicable documents, of the issue in effect on the date of
invitation for bids, form a part of this document to the extent specified herein:
Environmental Tesing, Aeronautical and
Associated Equipment, General Specification for
Pneumatic System, Design, Installation, and
Test in Aircraft
Interference Control Requirements,
Parts and Equipment, Aeronautical, Preparation