AD 98-15-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | DG Flugzeugbau GmbH | DG-500M | Airworthiness Directives; Glaser-Dirks Flugzeugbau GmbH Model DG-500M Gliders |
Unsafe Condition
The center of gravity (C.G.) tow release cable pulley may be incorrectly positioned, causing the C.G. tow release cable to come off the pulley and resulting in the pilot being unable to release from tow operations.
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Required Actions
Within 30 calendar days after the effective date, inspect the C.G. tow release cable pulley for correct positioning per Technical Note No. 843-9. If out-of-center, replace the pulley with part no. S 30 prior to further flight. Within 6 calendar months after the effective date, replace the pulley with part no. S 30 unless already done under paragraph (a).
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Compliance Time
Within the next 30 calendar days after the effective date of this AD, and within the next 6 calendar months after the effective date unless already accomplished.
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Affected Aircraft
Glaser-Dirks Flugzeugbau GmbH Model DG-500M gliders, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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