Page 21
Section - 3
EMERGENCY PROCEDURES
FAA Approved
Revision A1: Mar 6, 2007
Hawker 850XP Pro Line 21 Airplane Flight Manual
SMOKE FROM AIR CONDITIONING DUCTS
NOTE: Headsets and hats must be removed before donning oxygen mask.
DUMP VALVE .............................................................. OPEN slowly to assist smoke
clearance but maintain cabin
pressure.
MAIN AIR VLVs 1 & 2 .................................................. LP ON
F/DK VLV ..................................................................... CLOSE
Crew oxygen...................................................... Don masks - 100% EMERG
Mic selector ....................................................... OXY- MIC
Cabin notices .................................................... ON
SMOKE PERSISTS
SMOKE DECREASES
SMOKE PERSISTS
Identify affected engine by reference to
Oil Pressure and Temperature or other
indications including vibration.
MAIN AIR VLV 1 ........... CLOSE
MAIN AIR VLV 2 ........... OPEN
Monitor Oil Pressure and Temperature
and other indications including
vibration to identify affected engine.
MAIN AIR VLV 1........... OPEN
MAIN AIR VLV 2...........CLOSE
MAIN AIR VLVs ............ CLOSE - Descend if necessary
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.
Look for other source of smoke.
MAIN AIR VLV .............OPEN
MAIN AIR VLV ............. CLOSE
If the engine is to be shutdown, complete
ENGINE SHUTDOWN or FAILURE IN FLIGHT
procedure - this section.
NOTE: It may take up to 2 minutes to determine if smoke is decreasing or persisting.
SMOKE CEASES
Continued Next Page
SMOKE PERSISTS
NON-AFFECTED ENGINE
AFFECTED ENGINE
For Training Purposes Only