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#6
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Just found this . . . see http://www.planecheck.com/aerostar.htm
"The Aerostar's fuel system has been the subject of some criticism over the years. The aircraft has three tanks - one in each wing and a central fuselage tank mounted mid-way up behind the rear cabin bulkhead. The system holds 165.5 gallons of useable fuel. The intention was to use tank vents to maintain an equal level of fuel throughout the system. As the wing tanks depleted however, fuel feed would come from the fuselage. It is important to always have fuel in the central tank and although the system is designed to accommodate this, a number of accidents have followed simultaneous engine failure caused by uneven feeding. The number of Aerostar incidents caught the attention of the FAA who issued an airworthiness directive mandating the use of a low fuel warning light for the central tank. In 1979, the FAA issued a further AD forcing owners to install a triple fuel gauge - one for each tank. The AD also called for fuel cap inspections as it was suspected that negative pressure was responsible for restricting fuel flow causing premature depletion of the fuselage tank " Take care . . . John |
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