- Effective
- August 19, 1967
- Published
- July 20, 1967
- Model
- Glider Tow Couplings
- Product
- Appliance
- Amendment
- 39-449
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
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|---|---|---|---|
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On this page
The airworthiness directive
67-23-07 TOST: Amdt. No. 39-449, Part 39, Federal Register July 20, 1967. Applies to Tost Type Universal 53 Glider Tow Couplings with Serial Numbers 1 through 29999, Installed on Schempp-Hirth Models Standard Austria S, SH, and SH-1; Scheibe Flugzeugbau Models L-Spatz 55, Bergfalke II 55, and SF 26A; and Alexander Schleicher Models Ka 6 CR, Ka 6 E, K 7, and K 8 B gliders.
Compliance required within the next 100 hours' time in service after the effective date of this AD, unless already accomplished.
To reduce the release load on the glider coupling when the tow cable imposes asymmetrical loads, replace, in accordance with Tost Modification No. 2/65, dated November 9, 1965, or FAA-approved equivalent, the bracket type automatic releases of the tow coupling with ring type automatic releases that conform to the Luftfahrt-Bundesamt approved type certificate 60.290/11 or later approved issue, or FAA-approved equivalent.
This amendment effective August 19, 1967.