MAIN CHARACTERISTICS

UTILISATION CONDITIONS

For use on all aircraft with sealed cabin up to an altitude of 15000 metres, on all aircraft without
sealed cabin up to an altitude of 1 2000 metres and for a short period, up to 13500 metres.
Made in three sizes : 1, 2 and 3. Size 1 is the smallest size.
Monthly verification on ULMER 23. 29 or 693 and derivatives test bench.
 

PARTICULAR CONDITIONS

It is equipped with a connection with a three spigots (NATO MIL-M27274 Standard) connection
with a bayonet-type fixing system, enabling it to be connected to the oxygen supply, either directly, or
by means of a connection that can be quickly pulled a part, ensuring separation betwen the seat
and the pilot, in the event of ejection or rapide evacuation.

2.331.831

The reinforcement shell is made of plastic and the face piece of silicone elastomer ensuring a perfect
hold of the mask to the face in the event of ejection.
 

This mask comprises a breathing-out valve specially designed to function during sharp accelerations up to
a value of 10 g.

A radio cable, fixed to the pipe system by four silicone elastomer clips, provides the link to the
aircraft's circuit by means of a standard FJ 3A moulded plug.
The other end is divided in two circuits
      - one going directly to the microphone
      - the other being connected to the helmet by
means of a moulded micro-plug, with nine pins, the fixing of which is ensured by two captive screws.
This mask must be carefully fitted to the face and be of the right size to ensure airthight fitness.
Mericulous maintenance is required for correct functioning.

MASS : 460 +- 15 grammes

Technical Specifications:
STPA/CIN 6016 9 December 1986