AD 75-17-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus Aircraft Limited | B4-PC11 | Airworthiness Directives; Pilatus Model B4-PC11 Gliders |
Unsafe Condition
The canopy limiting lock link may prevent emergency jettisoning of the canopy.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Disconnect the limiting cable within 10 hours' time in service. Alter the canopy limiting cable attachment per Pilatus Service Bulletin No. 1001 or FAA-approved equivalent within 50 hours' time in service.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 10 hours' time in service after the effective date of this AD and within the next 50 hours' time in service after the effective date of this AD
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Affected Aircraft
Pilatus Aircraft Limited Model B4-PC11 gliders equipped with canopy limiting lock link.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Canopy Jettisoning Capability
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-17-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-17-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model B4-PC11 Gliders Subject: Canopy Jettisoning Capability Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/18/1975 Make: Pilatus Aircraft Limited Model: B4-PC11 Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-17-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2310 AD NUMBER: 75-17-08 SUBJECT HEADING: Airworthiness Directives; Pilatus Model B4-PC11 Gliders ACTION: SUMMARY: DATES: Effective August 18, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-17-08 PILATUS AIRCRAFT LTD: Amendment 39-2310. Applies to B4-PC11 gliders, certificated in all categories, equipped with canopy limiting lock link. Compliance is required as indicated, unless already accomplished. To ensure canopy emergency jettisoning capability, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, disconnect the limiting cable. (b) Within the next 50 hours' time in service after the effective date of this AD, alter the canopy limiting cable attachment in accordance with the accomplishment instructions of Pilatus Service Bulletin No. 1001, dated April 1974, or an FAA-approved equivalent. This amendment becomes effective August 18, 1975. FOOTER:
Document Text
Show stored source text (verify against official source)
AD Final Rules - DRS_75-17-08.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-17-08 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Pilatus Model B4-PC11 Gliders Subject: Canopy Jettisoning Capability Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/18/1975 Make: Pilatus Aircraft Limited Model: B4-PC11 Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-17-08 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2310 AD NUMBER: 75-17-08 SUBJECT HEADING: Airworthiness Directives; Pilatus Model B4-PC11 Gliders ACTION: SUMMARY: DATES: Effective August 18, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-17-08 PILATUS AIRCRAFT LTD: Amendment 39-2310. Applies to B4-PC11 gliders, certificated in all categories, equipped with canopy limiting lock link. Compliance is required as indicated, unless already accomplished. To ensure canopy emergency jettisoning capability, accomplish the following: (a) Within the next 10 hours' time in service after the effective date of this AD, disconnect the limiting cable. (b) Within the next 50 hours' time in service after the effective date of this AD, alter the canopy limiting cable attachment in accordance with the accomplishment instructions of Pilatus Service Bulletin No. 1001, dated April 1974, or an FAA-approved equivalent. This amendment becomes effective August 18, 1975. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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