AD 68-10-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus Aircraft Limited | PC-6 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6-H1 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350-H1 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/350-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A-H1 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/A-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/B-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
Unsafe Condition
Horizontal stabilizer stall
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install fixed wing spoilers on the trailing edges of the wings in accordance with Pilatus Service Bulletin No. 76, dated November 1967, or later Swiss Federal Air Office approved revision or an equivalent approved by the Chief, Aircraft Certification Staff, FAA, Europe, Africa and Middle East Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 200 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 Series 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
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