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What extinguishing agent must be used in the event of a fire involving wheels/tires? Why?

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  • $\begingroup$ I don't see the other question as a duplicate. The answers there certainly don't address the issues presented here, such as rubber or metal fire. $\endgroup$ – J Walters Sep 15 '17 at 0:20
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You can find some discussion in this thread but what you are looking for is

Fire Service manual. Volume 2. Fire Service Operations : aircraft

incidents Home Office - London

HMSO, 12/99. Crown copyright 1999

ISBN 0-11-341192-8; 0113411928

5.4.2 Brake and wheel fires The overheating of brake and wheel assemblies usually follows excessive braking. This can happen on landing when a hydraulic failure reduces the ability of the pilot to utilise control surfaces (flaps) and he feels the aircraft may over run the runway or more often, on an aborted take-off. Quite often tyres will burst or, as the aircraft comes to a standstill, ignite by transference of heat from the brakes. To avoid metal failure, firefighters attending overheated brake and wheel assemblies should usually refrain from applying water and allow natural cooling. If there is fire however, a fine water fog applied from fore and aft of the undercarriage assembly is generally used.

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