AD 58-17-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Piaggio & C. | P.136-L1 | Airworthiness Directives; Piaggio Models P.136-L1 and P.136-L2 Aircraft |
| aircraft | Piaggio & C. | P.136-L2 | Airworthiness Directives; Piaggio Models P.136-L1 and P.136-L2 Aircraft |
Unsafe Condition
The water rudder inadvertently dropping into the extended position during water landings due to debris accumulation interfering with retraction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a hook at the water rudder retraction cylinder controllable by the pilot and cut off the forward section of the water rudder to prevent debris interference.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
December 1, 1958
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Affected Aircraft
Piaggio & C. Models P.136-L1 and P.136-L2 Aircraft, all serial numbers.
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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