AD 68-21-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Glasflugel | H 301 Libelle | Airworthiness Directives; Glasflugel H-301 "Libelle" Gliders |
Unsafe Condition
Improper installation of the horizontal stabilizer to the glider
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install locking guide fitting P/N 301-33-8 on the left or right side of the main elevator fitting in accordance with Glasflugel Modification Leaflet No. 25 dated August 13, 1968, or later LBA-approved issue or FAA-approved equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 25 hours' time in service after the effective date of this AD
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Affected Aircraft
Glasflugel H-301 Libelle Gliders, Serial Numbers 1 through 85
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_68-21-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-21-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Glasflugel H-301 "Libelle" Gliders Subject: Horizontal Stabilizer Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/23/1968 Make: Glasflugel Model: H 301 Libelle Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 68-21-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-666 AD NUMBER: 68-21-01 SUBJECT HEADING: Airworthiness Directives; Glasflugel H-301 "Libelle" Gliders ACTION: SUMMARY: DATES: Effective October 23, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-21-01 GLASFLUGEL: Amendment 39-666. Applies to Glasflugel H-301 "Libelle" Gliders, Serial Numbers 1 through 85. Compliance required within the next 25 hours' time in service after the effective date of this AD, unless already accomplished. To prevent the improper installation of the horizontal stabilizer to the glider, install locking guide fitting P/N 301-33-8, either on the left or right side of the main elevator fitting in accordance with Glasflugel Modification Leaflet No. 25, dated August 13, 1968, or later LBA- approved issue or an FAA approved equivalent. This amendment becomes effective October 23, 1968. FOOTER:
Document Text
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AD Final Rules - DRS_68-21-01.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 68-21-01 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Glasflugel H-301 "Libelle" Gliders Subject: Horizontal Stabilizer Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/23/1968 Make: Glasflugel Model: H 301 Libelle 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: 68-21-01 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-666 AD NUMBER: 68-21-01 SUBJECT HEADING: Airworthiness Directives; Glasflugel H-301 "Libelle" Gliders ACTION: SUMMARY: DATES: Effective October 23, 1968. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 68-21-01 GLASFLUGEL: Amendment 39-666. Applies to Glasflugel H-301 "Libelle" Gliders, Serial Numbers 1 through 85. Compliance required within the next 25 hours' time in service after the effective date of this AD, unless already accomplished. To prevent the improper installation of the horizontal stabilizer to the glider, install locking guide fitting P/N 301-33-8, either on the left or right side of the main elevator fitting in accordance with Glasflugel Modification Leaflet No. 25, dated August 13, 1968, or later LBA- approved issue or an FAA approved equivalent. This amendment becomes effective October 23, 1968. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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