Page 13
Section - 3
EMERGENCY PROCEDURES
FAA Approved
Original Issue: Feb 28, 2006
Hawker 850XP Pro Line 21 Airplane Flight Manual
REAR EQUIPMENT BAY OVERHEAT
REAR BAY OVHT warning annunciator .......................Check
If Warning Annunciator Remains Illuminated
NOTE: Headsets and hats must be removed before donning oxygen mask.
Crew oxygen ................................................................Don masks
Mic selector ..................................................................OXY-MIC
F/DK VLV .....................................................................CLOSE
Cabin notices ...............................................................ON
Cabin altitude ...............................................................Check
If above 15,000 ft, complete EMERGENCY DESCENT procedure - this section.
If above 12,500 ft, confirm passenger oxygen masks have dropped.
If masks have not dropped, pull the PASSENGER SUPPLY EMERGENCY control knob.
WARNING: THE HIGHEST RECOMMENDED CABIN ALTITUDE FOR SUSTAINED FLIGHT
IS 25,000 FT.
Subsequent Action
Land at the nearest suitable airport.
When Below 15,000 ft
DUMP VALVE...............................................................As required for ventilation
If Warning Annunciator Extinguishes
Descend as necessary to maintain comfortable cabin and cockpit conditions.
NOTES:
1. With the Flight Deck Valve open and No. 2 engine at high power, a cabin altitude
of approximately 9000 ft can be maintained at 40,000 ft, assuming no abnormal
leaks.
2. The flight compartment will become very hot. Bleed air temperature can be
controlled by modulating right engine power.
MAIN AIR VLVs 1 & 2.............................................CLOSE
F/DK VLV ................................................................OPEN fully
REAR BAY
OVHT
For Training Purposes Only