Because they increase wing drag, wing deicers* are usually removed from U. S. airline transports during summer. Last week all wing deicers were off, but this time there was an added reason for their removal—they have been causing trouble on the new Douglas DC-38. On one American Airliner last month the rubber boot split, on another a section of the wing's skin crystallized and tore away. These incidents were minor, but enough to cause a Bureau of Air Commerce request that all present deicers be removed from DC-38 and improved to meet the...
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