HILLER Model
HILLER Model UH-12, UH-12A, UH-12B, UH-12C, UH-12D, UH-12E, CH-112, H- 23A, H-23B, H-23C, H-23D, H-23F, HTE-1, HTE-2, and OH-23G helicopters (Docket No. 96-SW-06-AD; Amdt. 39-10029; AD 97-10-16) - supersedes an existing AD requiring, for certain helicopters, inspections of the blade spar tube and...
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