Cold Weather Procedures (Deicing / Anti-Icing)
1
Preliminary Requirements and Safety Conditions
WARNING
THE DEICING AND ANTI-ICING PROCEDURES MUST BE DONE BY PERSONS THAT
ARE FULLY TRAINED, QUALIFIED AND APPROVED IN THE USE OF DEICING /
ANTI-ICING FLUIDS AND THE EQUIPMENT.
WARNING
THE PILOT IN COMMAND, WITH ASSISTANCE FROM THE GROUND CREW, MUST
MAKE SURE ALL CRITICAL SURFACES ARE FREE FROM ICE, SNOW AND FROST
FORMATIONS BEFORE TAKEOFF.
2
General
Icing condition can exist when the Outside Air Temperature (OAT) on the ground or Total Air
Temperature (TAT) during flight, is less than 50 °F (10 °C), and visible moisture in any form is
present.
The aircraft must not takeoff with frost on these critical areas:
−
Wing leading edge and upper surface
−
Windshield.
The aircraft must not takeoff with ice, snow or slush on these critical areas:
−
Wing leading edge and upper surface
−
Flight control surfaces (including hinged gaps)
−
Horizontal stabilizer
−
Vertical stabilizer
−
Engine inlets
−
Engine pylons
−
Fuselage upper surface
−
Windshield
−
Air data probes (pitot-static probes, Angle of Attack (AOA) sensors, ice detector, Outside
Air Temperature (OAT) sensor)
−
Upper fuselage surface between the nose and windshield
−
Landing gear.
Section 2 - Aircraft Servicing
Ground Servicing Guide
Report No: 02484
Issue date: May 13, 2020
Page 2-8-1
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