© Nexter 2014 - page 203

Equipment
201
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MASK
MEHARA
NBC PROTECTIVE EQUIPMENT FOR HELICOPTER PILOTS
MISSION
The MEHARA is designed for NBC protection
for combat helicopters and aircraft transport
pilots.
The CAO technique has led to the development
of a system which is compatible to a pilot’s
existing and future flight equipment.
When it is used in conjunction with an air
distribution unit of variable flow, it offers
considerable respiratory comfort.
It is available in 3 sizes, allowing it to be
adapted to all face shapes.
CHARACTERISTICS
The MEHARA System consists of:
• 
a black airtight bromobutyl fire resistant rubber masks, with its carrying bag comprising of:
two treated hardened thermoplastic “antitoxic“ eyepieces,
an internal semi-mask,
an anti-fog deflector channelling inhaled air towards the visor,
a phonic membrane when used on the ground,
a differential microphone for in flight communication,
a drinking device,
an adjustable net for greater comfort,
a fast unlocking system.
• 
a pipe offset from central ventilation,
• 
a three speed CASU,
• 
2 CFF4 filter canisters,
• 
2 powdering gloves,
• 
2 PDF1 Notebooks,
• 
2 DETINDIV,
• 
a carrying case.
PERFORMANCES
• 
Mask air tightness to 0,15µm aerosols > 5.10
-5
.
• 
Adjustable flow upon user’s request.
• 
Positive mask pressure.
STATUS
Used by French and Foreign Armed forces.
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