AD 66-28-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piper Aircraft Inc. | PA-30 | Airworthiness Directives; PIPER Model PA-30 Airplanes |
Unsafe Condition
Excessive vibration that could result in partial failure of the stabilator.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Attach an operating limitation placard to the airspeed indicator within 10 hours' time in service after May 3, 1966. Within 50 hours' time in service after November 25, 1966, balance the stabilator or add balance weights per Piper Service Bulletin No. 229A, and replace the Airplane Flight Manual with the August 31, 1966 revision.
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Compliance Time
Within the next 10 hours' time in service after May 3, 1966, and within the next 50 hours' time in service after November 25, 1966.
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Affected Aircraft
PIPER Model PA-30 Airplanes with serial numbers 30-853, 30-902 through 30-1080, 30-1082 through 30-1136, 30-1138 through 30-1198, 30-1200 through 30-1217, 30-1219 through 30-1226, and 30-1228 through 30-1253.
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
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