Overview of Airport Fueling Operations (2015) / Chapter Skim
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Pages 61-64
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From page 61... ...
61 GLOSSARY AND FUEL SYSTEM TERMINOLOGY The following descriptions are provided for several common terms and components associated with or used in an airport fueling system. 14 CFR Part 139 -- The federal regulation that requires certain airports serving air carrier aircraft to obtain an airport operating certificate and comply with certain standards, in particular the inspection of fueling facilities.
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From page 62... ...
62 Double block valve -- A single valve with two seating surfaces installed in a pipe that, in the closed position, provides a seal against pressure from both ends of the valve with a means of venting/ bleeding the cavity between the seating surfaces. Double-walled -- A tank construction method that allows for containing fuel in the event of a leak.
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From page 63... ...
63 Interlock valve or switch -- A device used to shut off fuel or prevent an operation when activated. Primarily used in conjunction with fuel nozzles or fuel truck pumps and brakes.
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From page 64... ...
64 Single-point fueling -- A feature on an aircraft that allows for the filling of all fuel tanks from one central fueling point and hose. Splash filling -- The introduction of fuel into a receptacle by means of a gravity feed that results in a splash effect and increased potential for vapor generation.
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