AD 69-05-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus Aircraft Limited | PC-6/B-H2 | Airworthiness Directives; Pilatus Model PC-6/B-H2 and PC-6/B1-H2 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/B1-H2 | Airworthiness Directives; Pilatus Model PC-6/B-H2 and PC-6/B1-H2 Airplanes |
Unsafe Condition
Excessive travel of the knurled friction nut on the power control lever assembly exceeding 3/4 of a turn could lead to loss of engine power control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Check the travel of the knurled friction nut on the power control lever assembly. If travel exceeds 3/4 of a turn, install shim(s) of adequate thickness, or drill a new hole and insert a new cotter pin following Pilatus Service Bulletin No. 85 dated July 1968 or later Swiss Federal Air Office-approved issue or an FAA-approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Aircraft Limited Model PC-6/B-H2 and PC-6/B1-H2 airplanes
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.