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庞巴迪挑战者605公务机机组操作手册 CL605-CHAPTER 2 -限制 LIMITATIONS(5)

时间:2011-10-31 11:51来源:蓝天飞行翻译 作者:公务机
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The atmospheric conditions have been conducive to frost formation.


NOTE
Ice and frost may continue to adhere to wing surfaces for some time even at outside air temperatures above 5°C (41°F).


 LIMITATIONS Operating Limitations  Vol. 1  02.04.3 
Oct 05/06 


3. OPERATION IN ICING CONDITIONS
During cold weather operations, the flight crew must ensure that the airplane fuselage, wings and tail surfaces are free from ice, snow or frost.
AR Certified Airplanes

Even small accumulations of ice on the wing leading edge can change the stall speed, stall characteristics or the warning margin provided by the stall protection computer.
A. Cowl Anti-ice System
(1) Ground Operations
The engine cowl anti-ice system must be on when the OAT is 10°C (50°F) or below and visible moisture in any form is present (such as fog with visibility of one mile or less, rain, snow, sleet and ice crystals).
The engine cowl anti-ice system must also be on when the OAT is 10°C (50°F) or below when operating on runways, ramps, or taxiways where surface snow, ice, standing water or slush is present.
(2) Flight Operations
NOTE
Icing conditions exist in flight at a TAT of 10°C (50°F) or below and visible moisture in any form is encountered (such as clouds, rain, snow, sleet or ice crystals), except when the SAT is –40°C (–40°F) or below.
The engine cowl anti-ice system must be on:
At or above 22,000 feet:
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when ice is indicated by the ice detection system, or

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when in icing conditions, if an ice detector has failed.


Below 22,000 feet:
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when in icing conditions, or

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when ice is indicated by the ice detection system.

B.
Wing Anti-ice System


(1) Ground Operations
The wing anti-ice system must be on for take-off when the OAT is 5°C (41°F) or below and visible moisture in any form is present (such as fog with visibility of one mile or less, rain, snow, sleet and ice crystals).
The wing anti-ice system must also be on for take-off when the OAT is 5°C (41°F) or below and the runway is contaminated with surface snow, slush or standing water.
When Type II, III or IV anti-icing fluids have been applied, the wing anti-ice system must only be selected on, if required, just prior to thrust increase for take-off.


 LIMITATIONS Operating Limitations  Vol. 1  02.04.4 
Oct 05/06 


3. OPERATION IN ICING CONDITIONS (CONT'D)
B. Wing Anti-ice System (Cont’d)
(2) Flight Operations
NOTE
Icing conditions exist in flight at a TAT of 10°C (50°F) or below and visible moisture in any form is encountered (such as clouds, rain, snow, sleet or ice crystals), except when the SAT is –40°C (–40°F) or below.
 
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