Abstract
The accumulation of ice, frost and snow on aircraft surfaces can drastically reduce the climb and maneuvering capabilities of an aircraft. The removal of such contamination prior to take off MUST be strictly adhered to in accordance with regulations and standards. The policy with respect to aircraft icing contamination should be “MAKE IT CLEAN AND KEEP IT CLEAN”. All personnel associated with the dispatch and/or operation of aircraft share the responsibility for ensuring that no aircraft is dispatched unless it is clear of ice, snow or frost.
Highlights
This article describes the requirements to meet regulations to ensure removal of all ice, snow, frost and slush from an aircraft prior to takeoff
The application of a freezing point depressant to a surface either following de-icing or in anticipation of subsequent winter precipitation is intended to protect the critical surfaces from ice adherence for a limited period of time
These regulations provide that a light coating of frost is permissible from fuel cold soaking
Summary
This article describes the requirements to meet regulations to ensure removal of all ice, snow, frost and slush from an aircraft prior to takeoff. There are many variables present in a de/anti-icing operation such as type and rate of precipitation, type and thickness of accumulation, ambient temperatures, aircraft temperature, wind etc. The information in this article are based on experience, but they may not meet every eventuality. There must be judge the effectiveness of the procedure and adjust techniques to suit the conditions
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