AD 75-17-12

final rule
Data completeness: 70%

Airworthiness Directives; Slingsby T59D Kestrel Gliders

AD Number
75-17-12
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Slingsby Aviation Ltd. T.59.D Kestrel Airworthiness Directives; Slingsby T59D Kestrel Gliders

Unsafe Condition

Dive brake retraction failure

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

Required Actions

Install a placard on the instrument panel within 10 hours' time in service, and replace the dive brake control mechanism with P/N 59A-45-717 within 50 hours' time in service. The placard may be removed after completing the mechanism replacement.

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

Compliance Time

within the next 10 hours' time in service after the effective date of this AD (for placard installation) and within the next 50 hours' time in service after the effective date (for mechanism replacement)

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

Affected Aircraft

Slingsby Aviation Ltd. T59D Kestrel gliders certificated in all categories

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

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.