LET Aeronautical Works Airworthiness Directives

7 ADs indexed for LET Aeronautical Works aircraft.

Models

Recent ADs

2010-18-05

final rule

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.

Effective: Aug 30, 2010 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Aircraft Industries a.s. (Type Certificate G24EU Previously Held by LETECK Z VODY a.s. and LET Aeronautical Works) Model L-13 Blanik Gliders

2010-14-15

final rule

Airworthiness Directives; Aircraft Industries a.s. (Type Certificate G60EU 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 the right wing detaching from the aircraft and pilots losing control. The preliminary investigation suggests th...

Effective: Jul 19, 2010 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Aircraft Industries a.s. (Type Certificate G60EU Previously Held by LETECKÉ ZÁVODY a.s. and LET Aeronautical Works) Model L-13 Blanik Gliders

2008-26-12

final rule

Airworthiness Directives; Aircraft Industries a.s. (Type Certificate G60EU previously held by LETECKÉ ZÁVODY a.s. and LET Aeronautical Works) Model L 23 Super Blanik Sailplane

Unsafe Condition: Cracks in zones where the front and aft control levers attach the connecting rod designated as 'control bridge' on the relevant Illustrated Parts Catalogues (IPC). If left uncorrected, cracks could...

Effective: Jan 28, 2009 Category: aircraft Compliance: Within 3 months after January 28, 2009, and repetitively thereafter at intervals not to exceed 12...

Why matched: Airworthiness Directives; Aircraft Industries a.s. (Type Certificate G60EU previously held by LETECK Z VODY a.s. and LET Aeronautical Works) Model L 23 Super Blanik Sailplane

2007-25-01

final rule

Airworthiness Directives; Aircraft Industries, a.s. (Type Certificate No. G24EU Formerly Held by LETECKÉ ZÁVODY a.s. and LET Aeronautical Works) Model L-13 Blanik Gliders

Unsafe Condition: Cracks on L-13 Blanik sailplanes in zones where the forward and aft control sticks are attached to the connecting rod, designated as 'control bridge'. If left uncorrected, cracks could propagate an...

Effective: Jan 7, 2008 Category: aircraft Compliance: Within 3 months after January 7, 2008, and repetitively thereafter at intervals not to exceed 12 ...

Why matched: Airworthiness Directives; Aircraft Industries, a.s. (Type Certificate No. G24EU Formerly Held by LETECKE ZAVODY a.s. and LET Aeronautical Works) Model L-13 Blanik Gliders

2000-20-11

final rule

Airworthiness Directives; LET Aeronautical Works Model L-13 “Blanik” Sailplanes

Unsafe Condition: The tail-fuselage hinge may fail due to damage or inadequate material characteristics, potentially resulting in loss of controlled flight.

Effective: Nov 27, 2000 Category: aircraft Compliance: Within 60 days after November 27, 2000, for the initial inspection. Before further flight after t...

Amdt-39-11320

final rule

Airworthiness Directives; LET Aeronautical Works Model L-13 ``Blanik'' Sailplanes

Unsafe Condition: Elevator drive bellcrank inadvertently installed backwards, resulting in incorrect rigging of the elevator flight control with potential reduced or loss of control of the sailplane.

Effective: Nov 8, 1999 Category: aircraft Compliance: Before further flight.

Why matched: Airworthiness Directives; LET Aeronautical Works Model L-13 ``Blanik'' Sailplanes

Technical illustration of an aircraft flight control surface and actuator
Problem area Flight controls

99-14-02

final rule

Airworthiness Directives; LET Aeronautical Works Model L33 SOLO Sailplanes

Unsafe Condition: Structural failure of the wing attachments caused by the current design configuration, which could result in the wing separating from the sailplane with consequent loss of control.

Effective: Aug 17, 1999 Category: aircraft Compliance: Within the next 100 hours time-in-service after the effective date or upon accumulating 1,500 hou...

Why matched: Airworthiness Directives; LET Aeronautical Works Model L33 SOLO Sailplanes

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