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Sub-section - 4.05
ABNORMAL PROCEDURES
FAA Approved
Original Issue: Feb 28, 2006
Hawker 850XP Pro Line 21 Airplane Flight Manual
STALL IDENTIFICATION COMPONENT MALFUNCTIONS
SSU - Indicates a failure of one or both of the Signal Summing Units. Stall warning and
identification may not operate. Continue flight with caution.
FLAP - Indicates a flap asymmetry has been detected. Complete either the FLAPS UP or 15
°
APPROACH and LANDING or FLAPS 25
°
APPROACH and LANDING procedure - this
Sub-section, OPERATIONS if applicable.
SQUAT - Indicates a landing gear weight on wheels switch asymmetry between the left and right
sensors.
If Indication Occurs During Taxi
PITOT/VANE HEAT L & R ..........................................OFF
SCREEN HEAT L & R ................................................OFF
MAIN AIR VLVs 1 & 2.................................................CLOSE
APU BLEED AIR (if installed).....................................OFF
Thrust Reversers may not function.
The fault must be corrected before flight.
If Indication Occurs In-Flight
ICE DET .....................................................................OVRD
PRESSN ....................................................................OVRD
THRUST REVERSERS..............................................OFF
Avoid flight in icing conditions as the following systems may not function:
Left and Right "A" Windscreen Heat
Left and Right Static Plate Heat
Left and Right Pitot Heat
Stall Identification and Stall Warning may not be available. Continue flight with caution.
The Landing Gear Handle may not be movable from the down position unless the GEAR
OVRD button is pushed.
SSU
FLAP
SQUAT
and
IDENT
STALL
Pilot Panel Copilot Panel
For Training Purposes Only