AD 67-12-05
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 |
Unsafe Condition
Rubbing and wear of the two pulley flanges due to a change in direction of the aileron control system cables exceeding 3 degrees from the plane of their pulleys.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install fairleads at the pulley support bracket on bulkhead Number 3 in accordance with Pilatus Service Bulletin No. 68 or later Swiss Federal Air Office-approved issue, or an FAA-approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
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 Model PC-6 Series Airplanes, Serial Numbers to 632.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Pulley Fairleads
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_67-12-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 67-12-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model PC-6 Series Airplanes Subject: Pulley Fairleads Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/04/1967 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 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: 67-12-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-387 AD NUMBER: 67-12-05 SUBJECT HEADING: Airworthiness Directives; Pilatus Model PC-6 Series Airplanes ACTION: SUMMARY: DATES: Effective May 4, 1967. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 67-12-05 PILATUS: Amdt. 39-387, Part 39, Federal Register April 4, 1967. Applies to Model PC-6 Series Airplanes, Serial Numbers to 632. Compliance required with the next 200 hours' time in service after the effective date of this AD, unless already accomplished. To prevent rubbing and wear of the two pulley flanges as a result of a change in direction of the aileron control system cables in excess of 3 degrees from the plane of their pulleys, install fairleads at the pulley support bracket on bulkhead Number 3 in accordance with Pilatus Service Bulletin No. 68 or later Swiss Federal Air Office-approved issue, or an FAA-approved equivalent. This directive effective May 4, 1967. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_67-12-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 67-12-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model PC-6 Series Airplanes Subject: Pulley Fairleads Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 05/04/1967 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 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: 67-12-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-387 AD NUMBER: 67-12-05 SUBJECT HEADING: Airworthiness Directives; Pilatus Model PC-6 Series Airplanes ACTION: SUMMARY: DATES: Effective May 4, 1967. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 67-12-05 PILATUS: Amdt. 39-387, Part 39, Federal Register April 4, 1967. Applies to Model PC-6 Series Airplanes, Serial Numbers to 632. Compliance required with the next 200 hours' time in service after the effective date of this AD, unless already accomplished. To prevent rubbing and wear of the two pulley flanges as a result of a change in direction of the aileron control system cables in excess of 3 degrees from the plane of their pulleys, install fairleads at the pulley support bracket on bulkhead Number 3 in accordance with Pilatus Service Bulletin No. 68 or later Swiss Federal Air Office-approved issue, or an FAA-approved equivalent. This directive effective May 4, 1967. FOOTER:
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Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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