AD 2010-18-05

final rule
Data completeness: 70%

Airworthiness Directives; Aircraft Industries a.s. (Type Certificate G24EU Previously Held by LETECKÉ ZÁVODY a.s. and LET Aeronautical Works) Model L-13 Blanik Gliders

AD Number
2010-18-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2010-0839
FR Citation
75 FR 52250

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Aircraft Industries a.s. (Type Certificate G24EU Previously Held by LETECKÉ ZÁVODY a.s. and LET Aeronautical Works) Model L-13 Blanik Gliders

Unsafe Condition

The main spar of the right wing failed near the root due to positive load, leading to wing detachment and loss of control. Preliminary investigation suggests the fracture may have been due to fatigue.

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Required Actions

Inspect the main spar at the root of the wing to detect fatigue cracking. Accomplish relevant corrective actions as necessary. Verify compliance with flight limitations specified in Aircraft Industries a.s. Mandatory Bulletin No. L13/109a.

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

Compliance Time

Before further flight

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Affected Aircraft

Aircraft Industries a.s. Model L-13 Blanik Gliders, including L-13 A Blanik sailplanes.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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