Page 39
Sub-section - 4.05
ABNORMAL PROCEDURES
FAA Approved
Original Issue: Feb 28, 2006
Hawker 850XP Pro Line 21 Airplane Flight Manual
ICE PROTECTION
ENGINE ANTICE
Thrust lever (affected engine) ....................................Gradually increase in small
increments.
If annunciator remains illuminated
Avoid icing conditions if possible.
ANTICE LOW QUANTITY
Monitor antice fluid quantity.
Approximately 30 minutes operation of the airframe antice system is available when the warning
illuminates.
ANTICE LOW PRESSURE
Avoid icing conditions. Airframe ice protection system has failed.
AIRFRAME ICE PROTECTION SYSTEM MALFUNCTIONS
If a malfunction is apparent or suspected during flight, proceed as follows
• Leave icing conditions as soon as possible.
• Before starting the landing approach, observe the wing leading edge and winglets to
determine if ice is present.
(a)
If ice is present and atmospheric conditions permit, attempt to shed residual ice
accumulations prior to landing.
(b)
If ice cannot be shed, make a no flap landing.
Refer to FLAPS UP or 15
°
APPROACH and LANDING procedure - OPERATIONS,
this Sub-section.
(c)
If ice is not present, make a normal landing.
ENG 1
A/ICE
ENG 2
A/ICE
and/or
ANTICE
LO QTY
and
ICE
PROT
and
ANTICE
LO PRESS
ICE
PROT
For Training Purposes Only