AD 69-05-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus Aircraft Limited | PC-6/B-H2 | Airworthiness Directives; Pilatus Model PC-6/B-H2 and PC-6/B1-H2 Airplanes |
| aircraft | Pilatus Aircraft Limited | PC-6/B1-H2 | Airworthiness Directives; Pilatus Model PC-6/B-H2 and PC-6/B1-H2 Airplanes |
Unsafe Condition
Excessive travel of the knurled friction nut on the power control lever assembly exceeding 3/4 of a turn could lead to loss of engine power control.
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Required Actions
Check the travel of the knurled friction nut on the power control lever assembly. If travel exceeds 3/4 of a turn, install shim(s) of adequate thickness, or drill a new hole and insert a new cotter pin following Pilatus Service Bulletin No. 85 dated July 1968 or later Swiss Federal Air Office-approved issue or an FAA-approved equivalent.
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Compliance Time
within the next 25 hours' time in service after the effective date of this AD
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Affected Aircraft
Pilatus Aircraft Limited Model PC-6/B-H2 and PC-6/B1-H2 airplanes
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Federal Register Abstract
Power Lever Travel
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-05-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-05-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model PC-6/B-H2 and PC-6/B1-H2 Airplanes Subject: Power Lever Travel Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/12/1969 Make: Pilatus Aircraft Limited Model: PC-6/B-H2 | PC-6/B1-H2 Product Type: Aircraft Product Subtype: Small Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-05-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-732 AD NUMBER: 69-05-05 SUBJECT HEADING: Airworthiness Directives; Pilatus Model PC-6/B-H2 and PC-6/B1-H2 Airplanes ACTION: SUMMARY: DATES: Effective March 12, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-05-05 PILATUS: Amdt. 39-732. Applies to Model PC-6/B-H2 and PC-6/B1-H2 airplanes. Compliance required within the next 25 hours' time in service after the effective date of this AD, unless already accomplished. Check the travel of the knurled friction nut on the power control lever assembly to determine if it exceeds 3/4 of a turn. If travel exceeds 3/4 of a turn, install shim(s) of adequate thickness, or drill a new hole and insert a new cotter pin, in accordance with Pilatus Service Bulletin No. 85 dated July 1968 or later Swiss Federal Air Office-approved issue or an FAA- approved equivalent. This amendment becomes effective March 12, 1969. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_69-05-05.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-05-05 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model PC-6/B-H2 and PC-6/B1-H2 Airplanes Subject: Power Lever Travel Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 03/12/1969 Make: Pilatus Aircraft Limited Model: PC-6/B-H2 | PC-6/B1-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: AIRWORTHINESS DIRECTIVES FINAL RULES: 69-05-05 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-732 AD NUMBER: 69-05-05 SUBJECT HEADING: Airworthiness Directives; Pilatus Model PC-6/B-H2 and PC-6/B1-H2 Airplanes ACTION: SUMMARY: DATES: Effective March 12, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-05-05 PILATUS: Amdt. 39-732. Applies to Model PC-6/B-H2 and PC-6/B1-H2 airplanes. Compliance required within the next 25 hours' time in service after the effective date of this AD, unless already accomplished. Check the travel of the knurled friction nut on the power control lever assembly to determine if it exceeds 3/4 of a turn. If travel exceeds 3/4 of a turn, install shim(s) of adequate thickness, or drill a new hole and insert a new cotter pin, in accordance with Pilatus Service Bulletin No. 85 dated July 1968 or later Swiss Federal Air Office-approved issue or an FAA- approved equivalent. This amendment becomes effective March 12, 1969. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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