AD 98-15-24

final rule
Data completeness: 70%

Airworthiness Directives; Stemme GmbH & Co. KG Model S10-V Sailplanes

AD Number
98-15-24
Status
final_rule
Effective Date
Product Category
aircraft
Docket
97-CE-128-AD
FR Citation
Federal Register: July 23, 1998 (Volume 63, Number 141)

Applicability

TypeManufacturerModelDetails
aircraft Stemme GmbH & Co. KG Stemme S10-V Airworthiness Directives; Stemme GmbH & Co. KG Model S10-V Sailplanes

Unsafe Condition

Propeller suspension fork failure caused by design deficiency, which could result in loss of a propeller blade and loss of sailplane controllability.

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

Required Actions

Replace the propeller blade suspension fork, distance ring, and nut with parts of improved design as specified in Stemme GmbH & Co. KG Service Bulletin No. A31-10-020, Am-index: 02.a, dated October 7, 1996. The replacements must use specified part numbers (P/N A09-10AP-V08, A09-10AP-V05, and A09-10AP-V06) or FAA-approved equivalents.

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

Compliance Time

Within the next 10 hours total time-in-service (TIS) after the effective date of this AD (September 15, 1998) or upon the accumulation of 100 hours TIS on the sailplane propeller, whichever occurs later.

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

Affected Aircraft

Stemme GmbH & Co. KG Model S10-V sailplanes with serial numbers 14-002 through 14-026, and converted sailplanes S/N 14-003M through 14-063M.

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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