§25.1167. Accessory gearboxes.
14 C.F.R. § 25.1167
For airplanes equipped with an accessory gearbox that is not certificated as part of an engine—
The engine with gearbox and connecting transmissions and shafts attached must be subjected to the tests specified in § 33.49 or § 33.87 of this chapter, as applicable;
The accessory gearbox must meet the requirements of §§ 33.25 and 33.53 or 33.91 of this chapter, as applicable; and
Possible misalignments and torsional loadings of the gearbox, transmission, and shaft system, expected to result under normal operating conditions must be evaluated.
Notes, amendments, and revision history
Amendments
[Amdt. 25-38, 41 FR 55467, Dec. 20, 1976]
Authority
Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701, 44702 and 44704; Pub. L. 115-254, 132 Stat 3281 (49 U.S.C. 44903 note).
Source
Source: Docket No. 5066, 29 FR 18291, Dec. 24, 1964, unless otherwise noted.
Amendments
[Amdt. 25-38, 41 FR 55467, Dec. 20, 1976]