AD 67-23-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Tost | Glider Tow Couplings | Airworthiness Directives; TOST: 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 |
Unsafe Condition
The bracket type automatic releases of the Tost Type Universal 53 Glider Tow Couplings may fail to safely reduce release load on the glider coupling when the tow cable imposes asymmetrical loads.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the bracket type automatic releases with ring type automatic releases conforming to Luftfahrt-Bundesamt approved type certificate 60.290/11 or later approved issue, or FAA-approved equivalent, in accordance with Tost Modification No. 2/65 or FAA-approved equivalent.
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Compliance Time
within the next 100 hours' time in service after the effective date of this AD
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Affected Aircraft
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
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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