# AD 75-17-09: Lower Harness Attachments

- Type: Airworthiness directive
- Status: Current
- Products: Flug- und Fahrzeugwerke Diamant 16.5 and HBV Diamant
- Effective: August 18, 1975
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Glider
- Amendment: 39-2311
- Registered aircraft: 3 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7C0196D9E5A4399886256A38004FF1ED.0001
- DRS record last changed: May 30, 2024
- Page: https://openairdocs.org/ad/75-17-09

## The airworthiness directive

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.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS G13EU](https://openairdocs.org/tcds/G13EU): Flug- und Fahrzeugwerke Ag; names 2 of 2 models: HBV Diamant, Diamant 16.5

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 3 (3 by airframe model, 0 by engine model)
- Makers: Flug & Fahrzeugwerke 3

Models with the most aircraft:

- [Flug & Fahrzeugwerke DIAMANT 16.5](https://openairdocs.org/model/flug-fahrzeugwerke-diamant-16-5): 3 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/75-17-09/models.md
Every aircraft: https://openairdocs.org/ad/75-17-09/aircraft.md

Its text cites no advisory circulars or STCs.

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