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A runway is considered contaminated whenever standing water, ice, snow, slush, frost in any form, heavy rubber, or other substances are present. A runway is contaminated with respect to rubber deposits or other friction-degrading substances when the average friction value for any 500-foot segment of the runway within the ALD fails below the recommended minimum friction level and the average friction value in the adjacent 500-foot segments falls below the maintenance planning friction level.
The following video provides you with the correct English pronunciation of the word "CONTAMINATED RUNWAY", to help you become a better English speaker.
Source: U.S. Department of Transportation, Federal Aviation Administration (FAA).
| CONTAMINATED RUNWAY in French
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