AD 2021-04-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | Aircraft Ltd | Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes |
Unsafe Condition
A missing release bar retaining screw on a Harley-type buckle assembly installed on a harness shoulder strap could lead to loss of pilot restraint and consequently loss of airplane control or injuries to the crew.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the Harley-type buckle assemblies on the seat harnesses of the front and rear seats, and repair or replace as necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Pilatus Model PC-7 airplanes
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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