AD 99-03-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Schempp-Hirth Flugzeugbau GmbH | JANUS | Airworthiness Directives; Schempp-Hirth K.G. Models Standard-Cirrus, Nimbus-2, JANUS, and Mini-Nimbus HS-7 Sailplanes |
| aircraft | Schempp-Hirth Flugzeugbau GmbH | Mini-Nimbus HS-7 | Airworthiness Directives; Schempp-Hirth K.G. Models Standard-Cirrus, Nimbus-2, JANUS, and Mini-Nimbus HS-7 Sailplanes |
| aircraft | Schempp-Hirth Flugzeugbau GmbH | Nimbus-2 | Airworthiness Directives; Schempp-Hirth K.G. Models Standard-Cirrus, Nimbus-2, JANUS, and Mini-Nimbus HS-7 Sailplanes |
| aircraft | Schempp-Hirth Flugzeugbau GmbH | Standard-Cirrus | Airworthiness Directives; Schempp-Hirth K.G. Models Standard-Cirrus, Nimbus-2, JANUS, and Mini-Nimbus HS-7 Sailplanes |
Unsafe Condition
The locking hook on the tailplane attachment bracket may disengage, resulting in the horizontal tailplane coming loose from the fin with possible loss of longitudinal control of the sailplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Install a safety device for the tailplane locking hook in accordance with Schempp-Hirth Appendix to Technical Note No. 278-36, 286-33, 295-26, 328-11, 798-3, dated November 11, 1994.
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Compliance Time
Required within the next 6 calendar months after the effective date of this AD, unless already accomplished.
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Affected Aircraft
Schempp-Hirth Flugzeugbau GmbH Models Standard-Cirrus (serial numbers 573, 586, 593, 595, 597 through 599, 601 through 701), Nimbus-2 (serial numbers 86, 93, and 96 through 116, 118 through 129, 131, and 176), JANUS (serial numbers 1 through 55, and 59), and Mini-Nimbus HS-7 (serial numbers 1 through 60, and 65).
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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