TM 1-1510-218-CL
P-2
FIRE EXTINGUISHER PRESSURE
A gauge, calibrated in psi, is mounted on each supply
cylinder for determining the level of charge and should be
checked during preflight. Refer to Table P-1.
Table P-1. Engine Fire Extinguisher Gauge Pressure
TEMP
°C
-40
-29
-18
-06
04
16
20
38
48
190
220
250
290
340
390
455
525
605
PSI
to
to
to
to
to
to
to
to
to
240
275
315
365
420
480
550
635
730
CABIN DOOR
1. Open cabin door – Check that CABIN DOOR
annunciator is extinguished.
2. Latch cabin door, but do not lock – Check that
CABIN DOOR annunciator illuminates.
3. BATT switch – ON. Check that CABIN DOOR
annunciator is still illuminated.
4. Close and lock cabin door – Check that CABIN
DOOR annunciator is extinguished.
5. BATT switch – OFF.
CREW/PASSENGER BRIEFING
1. Crew introduction.
2. Equipment.
a. Personnel to include ID tags.
b. Professional (medical equipment, etc.).
c. Survival.
