AD 98-15-20

final rule
Data completeness: 70%

Airworthiness Directives; Glaser-Dirks Flugzeugbau GmbH Model DG-500M Gliders

AD Number
98-15-20
Status
final_rule
Effective Date
Product Category
aircraft
Docket
98-CE-31-AD
FR Citation
Federal Register: July 22, 1998 (Volume 63, Number 140)

Applicability

TypeManufacturerModelDetails
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.

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

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).

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

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.

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

Affected Aircraft

Glaser-Dirks Flugzeugbau GmbH Model DG-500M gliders, all serial numbers.

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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