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 Aircraft Fuel System

Aircraft Fuel System Overall rating: ★★★★☆ 4.4 based on 349 reviews
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FAA Airframe Handbook Chapiter 14

Aviation Maintenance Technician Handbook (Volume 2)

afoullous.com FAA airframe maintenance aviation technician ch14

 

Aircraft Fuel System

Fuel System Independence Aircraft Fuel System Each fuel system for a multiengine airplane must be arranged Aircraft Fuel System so that, in at least one system configuration, the failure of any one component (other than a fuel tank) does not result in the loss of power of more than one engine or require immediate action by the pilot to prevent the loss of power of more than Aircraft Fuel System one engine.
If a single fuel tank (or series of fuel tanks interconnected to function as a single fuel tank) is used on a multiengine airplane, independent tank outlets for each engine, each
incorporating a shut-off valve at the tank, must be provided.
The shutoff valves may serve as firewall shutoff valves, which are also required. However, note that if the line between Aircraft Fuel System the valve and the engine compartment contains more than one quart of fuel (or any greater amount shown to be safe) Aircraft Fuel System that can escape into the engine compartment, an additional
firewall shutoff valve is needed. Lines and any components from each tank outlet to each engine must be completely independent of each other.
The fuel tank must have at least two vents arranged to Aircraft Fuel System
minimize the probability of both vents becoming obstructed simultaneously. The filler caps must be designed to minimize the probability of incorrect installation or in-flight loss.
Fuel System Lightning Protection Aircraft Fuel System The fuel system must be designed and arranged to prevent the ignition of fuel vapor within the system by direct
lightning strikes or swept lightning strokes (where highly probable). Swept strokes occur when the lightning strike is deformed by interaction with aerodynamic forces and propagates in a unique manner due to the material and shape of the airframe surfaces. Corona and streamering Aircraft Fuel System must also be inhibited at fuel vent outlets since they may ignite the fuel-air mixture. A corona is a luminous discharge that occurs as a result of an electrical potential difference between the aircraft and the surrounding area. Streamering Aircraft Fuel System is a branch-like ionized path that occurs in the presence of a direct stroke or under conditions when lightning strokes are imminent.


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Aircraft Fuel System
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Aircraft Fuel System
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Aircraft Fuel System Fuel System Independence Aircraft Fuel System Each fuel system for a multiengine airplane must be arranged Aircraft Fuel System so that, in at least one system configuration, the failure of any one component (other than a fuel tank) does not result in the loss of power of more than one engine
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FAA
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