AD 65-12-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Mooney Aviation Company Inc | M20E | Airworthiness Directives; Mooney Model M20E Aircraft |
Unsafe Condition
Continuous propeller operation in the speed range between 2,100 and 2,350 r.p.m. causes high vibration stresses.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Add an operating limitation to the Airplane Flight Manual stating to avoid continuous operation between 2,100 and 2,350 r.p.m., mark the engine tachometer with a red arc in that range, and install Mooney decal P/N 150010-65 per Service Letter No. 21-127.
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 unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Mooney Model M20E Aircraft, Serial Numbers 101 through 722 equipped with Hartzell Propeller HC-C2YK/7666-2 or CHC-C2YK/7666-2
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.