AD 75-17-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Flug- und Fahrzeugwerke Ag | Diamant 16.5 | Airworthiness Directives; Flug-und Fahrzeugwerke AG Model HBV "Diamant" and Diamant 16.5 Gliders |
| aircraft | Flug- und Fahrzeugwerke Ag | HBV Diamant | Airworthiness Directives; Flug-und Fahrzeugwerke AG Model HBV "Diamant" and Diamant 16.5 Gliders |
Unsafe Condition
Structural failure of the lower harness attachments D1.201-0710
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Reinforce the lower harness attachments in accordance with Flug-und Fahrzeugwerke AG Service Bulletin No. 5, dated February 4, 1974, or an FAA-approved equivalent.
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
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Flug-und Fahrzeugwerke AG Model HBV 'Diamant' and Diamant 16.5 gliders, all serial numbers
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Lower Harness Attachments
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_75-17-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-17-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Flug-und Fahrzeugwerke AG Model HBV "Diamant" and Diamant 16.5 Gliders Subject: Lower Harness Attachments Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/18/1975 Make: Flug- und Fahrzeugwerke Ag Model: Diamant 16.5 | HBV Diamant Product Type: Aircraft Product Subtype: Glider Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 75-17-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2311 AD NUMBER: 75-17-09 SUBJECT HEADING: Airworthiness Directives; Flug-und Fahrzeugwerke AG Model HBV "Diamant" and Diamant 16.5 Gliders ACTION: SUMMARY: DATES: Effective August 18, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-17-09 FLUG-UND FAHRZEUGWERKE AG: Amendment 39-2311. Applies to HBV "Diamant" and Diamant 16.5 gliders, all serial numbers, certificated in all categories. Compliance is required within the next 10 hours' time in service after the effective date of this AD, unless already accomplished. To prevent structural failure of the lower harness attachments D1.201-0710, reinforce the attachments in accordance with the "REQUIRED ACTION" specified in Flug-und Fahrzeugwerke AG Service Bulletin No. 5, dated February 4, 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_75-17-09.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 75-17-09 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Flug-und Fahrzeugwerke AG Model HBV "Diamant" and Diamant 16.5 Gliders Subject: Lower Harness Attachments Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 08/18/1975 Make: Flug- und Fahrzeugwerke Ag Model: Diamant 16.5 | HBV Diamant 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: 75-17-09 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-2311 AD NUMBER: 75-17-09 SUBJECT HEADING: Airworthiness Directives; Flug-und Fahrzeugwerke AG Model HBV "Diamant" and Diamant 16.5 Gliders ACTION: SUMMARY: DATES: Effective August 18, 1975. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 75-17-09 FLUG-UND FAHRZEUGWERKE AG: Amendment 39-2311. Applies to HBV "Diamant" and Diamant 16.5 gliders, all serial numbers, certificated in all categories. Compliance is required within the next 10 hours' time in service after the effective date of this AD, unless already accomplished. To prevent structural failure of the lower harness attachments D1.201-0710, reinforce the attachments in accordance with the "REQUIRED ACTION" specified in Flug-und Fahrzeugwerke AG Service Bulletin No. 5, dated February 4, 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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.
Related Airworthiness Directives
81-12-51
final ruleAirworthiness Directives; FLUG UND FAHRZEUGWERKE Model Diamant HBV and 16.5 Gliders
Unsafe Condition: Loss of the rudder lower close tolerance bolt could result in loss of the rudder.
81-16-01
final ruleAirworthiness Directives; FLUG UND FAHRZEUGWERKE AG Model Diamant 16.5 and 18 Gliders
Unsafe Condition: Wing failure due to possible inadequate bonding of the wing spar cap to the wing shear web.
75-16-19
final ruleAirworthiness Directives; Flug-und Fahrzeugwerke A.G. Model Diamant HBV and Diamant 16.5 Gliders
Unsafe Condition: Rudder jamming due to insufficient fin fairing overlap of the rudder nose.