Air Transport World

FAA weighs fuel tank inerting rule.(Federal Aviation Administration weighs fuel tank inerting rule.)(Brief Article)

FAA is considering a Notice of Proposed Rulemaking to be issued later this year to require that fuel tank inerting systems be installed on Boeing and Airbus aircraft whose air-conditioning systems could cause heating of center-wing fuel tanks.

The systems work by replacing oxygen in the tanks with an inert gas, preventing ignition of flammable vapors as is believed to have led to the loss of TWA 800. The proposal, if finalized, would require a retrofit of 3,800 aircraft over seven years, with 737s, 747s and A320s the first to be equipped with the new system. …

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