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 |
| aircraft | Pilatus Aircraft Limited | PC-6/B1-H2 | Airworthiness Directives; Pilatus Model PC-6 Series Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/C-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.
Federal Register Abstract
Horizontal Stabilizer
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_68-10-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-10-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model PC-6 Series Airplanes Subject: Horizontal Stabilizer Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/10/1968 Make: Pilatus Aircraft Limited Model: PC-6 | PC-6-H1 | PC-6-H2 | PC-6/350 | PC-6/350-H1 | PC-6/350-H2 | PC-6/A | PC-6/A-H1 | PC-6/A-H2 | P...Show more Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 68-10-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-599 AD NUMBER: 68-10-06 SUBJECT HEADING: Airworthiness Directives; Pilatus Model PC-6 Series Airplanes ACTION: SUMMARY: DATES: Effective June 10, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-10-06 PILATUS: Amendment 39-599. Applies to Model PC-6 Series airplanes. Compliance required within the next 200 hours' time in service after the effective date of this AD, unless already accomplished. To prevent horizontal stabilizer stall, 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. This amendment becomes effective June 10, 1968. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_68-10-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-10-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model PC-6 Series Airplanes Subject: Horizontal Stabilizer Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 06/10/1968 Make: Pilatus Aircraft Limited Model: PC-6 | PC-6-H1 | PC-6-H2 | PC-6/350 | PC-6/350-H1 | PC-6/350-H2 | PC-6/A | PC-6/A-H1 | PC-6/A-H2 | P...Show more Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: Updated RGL applicability to match AD applicability; CAR C-11-185 AIRWORTHINESS DIRECTIVES FINAL RULES: 68-10-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-599 AD NUMBER: 68-10-06 SUBJECT HEADING: Airworthiness Directives; Pilatus Model PC-6 Series Airplanes ACTION: SUMMARY: DATES: Effective June 10, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-10-06 PILATUS: Amendment 39-599. Applies to Model PC-6 Series airplanes. Compliance required within the next 200 hours' time in service after the effective date of this AD, unless already accomplished. To prevent horizontal stabilizer stall, 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. This amendment becomes effective June 10, 1968. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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