AD 99-03-01

final rule
Data completeness: 70%

Airworthiness Directives; Schempp-Hirth K.G. Models Standard-Cirrus, Nimbus-2, JANUS, and Mini-Nimbus HS-7 Sailplanes

AD Number
99-03-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-CE-52-AD
FR Citation
Federal Register: January 28, 1999 (Volume 64, Number 18)

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Required within the next 6 calendar months after the effective date of this AD, unless already accomplished.

AI-generated summary from the source AD text. Verify against the official source before acting.

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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