Engine accessories encompass the ancillary mechanical and electromechanical components that support gas turbine and reciprocating engine operation, including fuel control units, bleed-air valves, ignition exciters, oil coolers, fuel-oil heat exchangers, actuators, and engine-mounted gearboxes, manufactured to AS9100 and FADEC-compatible standards using high-temperature alloys, elastomeric seals, and precision-machined housings.
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