Emergency Gaseous Oxygen Bottles/Masks Flashcards
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MA-1 Emergency Oxygen Bottle is used on what aircraft?
HC-130
Emergency oxygen bottles installed in Coast Guard aircraft are as follows
- Low-pressure (50-500) used in the HC-130
- High-pressure (50-1,850)used in the HU-25
MA-1 Emergency Oxygen Bottle regulator referred to as?
A-21
MA-1 Emergency Oxygen Bottle intended for emergency use with the fullface smoke mask (P/N ____) the ____ oxygen mask.
P/N- 651-280
MBU-10 oxygen mask
MA-1 Emergency Oxygen Bottle operating altitude?
Sea level to 43,000 ft
MA-1 Emergency Oxygen Bottle normal operating service pressure?
375 PSI (at 70F)
MA-1 Emergency Oxygen Bottle selector knob
- NORM
- 30M
- 42M
- EMER
- NORM- 100% oxygen on demand
- 30M- Provides 100% oxygen at a positive pressure of 1.6-2.4 in H2O (inches in water pressure)
- 42M- Provides 100% oxygen at a positive pressure of 5.5-6.5 in H2O (inches in water pressure)
- EMER- Provides 100% oxygen at a positive pressure of 12.0-14.0 in H2O (inches in water pressure)
MA-1 Emergency Oxygen Bottle overall dimensions -Length -Diameter -Circumference -Height –Weight
-Length-5 9/16 in
-Diameter-5 7/8 in
-Circumference-18 1/2 in
-Height-4 9/16 in
–Weight 2.1 LB
5500 Series Emergency Oxygen Bottle is on what plane?
HU-25 (high pressure)
5500 Series Emergency Oxygen Bottle what mask is supposed to be used with this?
MF10-03-01 full face quick donning mask
5500 Series Emergency Oxygen Bottle additional information may be found in the what manual?
Scott maintenance manual 35-30-77
5500 Series Emergency Oxygen Bottle operating altitude?
Sea level to 40,000 ft
5500 Series Emergency Oxygen Bottle normal operating service pressure?
1800 +50-0 Psi (at 70F)
5500 Series Emergency Oxygen Bottle selector knob?
On/off selector knob 100% oxygen on demand
Full Face Quick Dawn Mask is on what aircraft?
HU-25
Full Face Quick Dawn Mask it will supply with oxygen at a rated pressure of ____Psig (__bar) through a hose coupling and can be donned single-handed in less then____ seconds.
72.5 Psig
5 Bar
5 seconds
Full Face Quick Dawn Mask General characteristics
- Weight
- operating temperature
- Weight- 0.730 kg (1.61 lb)
- operating temperature- +20 C to +60 C (4F to 140F)
Full Face Quick Dawn Mask mechanical characteristics
- rated supply pressure
- operating pressure
- maximum flow rate
- maximum operating altitude
- Readiness time (donning)
- rated supply pressure-72.5 psig (5bar)
- operating pressure-60/25 psig (4.2/5,9 bar)
- maximum flow rate-120 l/min NTPD
- maximum operating altitude- 40,000 ft (12,192 m)
- Readiness time (donning) 5 seconds max
Full Face Quick Dawn Mask five subassemblies?
1) inflatable harness
2) mask
3) microphone
4) oxygen regulator
5) hose assembly
1506V Folding Quick-Don Mask five subassemblies?
- Hardshell/facepiece assembly
- Valve, hoes, and communication assembly
- Suspension assembly
- Goggle assembly
- Holder strap
1506V Folding Quick-Don Mask Holder strap P/N?
P/N-358-643E
1506V Folding Quick-Don Mask the exhalation portion of the valve is constructed so that only a pressure of _____ greater than the inlet pressure being supplied by the regulator will force open the valve and allow exhaled air to flow from the mask
1 millimeter of mercury