UH-1B | 1E | 1H | 1L

BELL HELICOPTERS UH-1B | 1E | 1H | 1L MODIFICATIONS (1)

Installation of an upgraded 42 degree tail rotor gearbox, P/N...

Installation of an upgraded 42 degree tail rotor gearbox, P/N 212-040-003, and control cables.

Airframe Systems (ATA 20-50)
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