Schempp-Hirth Flugzeugbau GmbH Airworthiness Directives

30 ADs indexed for Schempp-Hirth Flugzeugbau GmbH aircraft.

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2026-03-04

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: reports of a broken outer race component of the lower ball bearing installed in the all-moving horizontal tailplane drive fitting

Effective: Apr 9, 2026 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

2025-04-14

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: The fuselage could be temporarily deformed due to forces related to acceleration, which allowed the locking mechanism to move into the open position. These conditions, if not addressed, could lead ...

Effective: Apr 8, 2025 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

2023-17-05 Recurring

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: Permanent excessive loads on the automatic connections of the airbrake control system can cause damage to the drive funnels in the fuselage and to the airbrake bell cranks at the root ribs of the w...

Effective: Oct 12, 2023 Category: aircraft Compliance: Within 12 months of the effective date (October 12, 2023).

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

2023-03-14 Recurring

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: The airbrake becoming blocked or jammed in an extended position during high airspeed due to an incorrect adjustment on the airbrake system.

Effective: Apr 5, 2023 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

2023-03-22 Recurring

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Airworthiness Directives; DG Flugzeugbau GmbH and Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: Occurrences of rupture of the eccentric axle on Solo Model 2350 C and 2350 D engines, which are installed on DG Flugzeugbau GmbH Model DG-1000T gliders and Schempp-Hirth Model Duo Discus T gliders ...

Effective: Apr 5, 2023 Category: engine Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; DG Flugzeugbau GmbH and Schempp-Hirth Flugzeugbau GmbH Gliders

Technical illustration of an aircraft landing gear and wheel assembly
Problem area Landing gear

2023-03-10 Recurring

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: cracks in the connecting tube of the elevator U-bracket of the horizontal tail, which could compromise the stiffness of the elevator control system and of the attachment of the horizontal tail.

Effective: Feb 24, 2023 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

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

2022-06-04

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: a disconnected pendulum elevator, which could lead to failure of the elevator connection and loss of control of the (powered) sailplane.

Effective: May 9, 2022 Category: aircraft Compliance: Within 50 flight hours

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

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

2022-05-05

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: Severe corrosion has been found on the inboard flaperon actuation push rod of some sailplanes. Subsequent investigation determined that, when water ballast is dumped in flight, some water may be su...

Effective: Apr 11, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

2022-04-01

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Airworthiness Directives; DG Flugzeugbau GmbH and Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: failure of the bearing of the upper pulley of the belt driven reduction gear resulting in separation of the propeller from the engine

Effective: Mar 29, 2022 Category: engine Compliance: Within 12 months after the effective date of this AD

Why matched: Airworthiness Directives; DG Flugzeugbau GmbH and Schempp-Hirth Flugzeugbau GmbH Gliders

Technical illustration of an aircraft propeller assembly
Problem area Propeller

2021-26-25

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: Occurrences were reported of experiencing jerky extension of the airbrakes at very high air speeds, in some cases of which the airbrake blades interlocked. An increasing number of age-related damag...

Effective: Feb 24, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

2016-22-01

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: Insufficient overlap of the airbrake panels, which can lead to interlocking and blockage of the airbrakes, possibly resulting in reduced control of the (powered) sailplane.

Effective: Dec 1, 2016 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

2015-20-11

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: excessive load on the air brake system

Effective: Nov 18, 2015 Category: aircraft Compliance: Within 40 days after November 18, 2015, and repetitively thereafter at intervals not to exceed 10...

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Sailplanes

2013-24-16

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: The instructions provided to inspect the propeller hub and blades are insufficient for detecting cracks and/or other damage, and other operating instructions provided by the flight and maintenance ...

Effective: Jan 28, 2014 Category: propeller Compliance: Within 30 days and 60 days after January 28, 2014

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Technical illustration of an aircraft propeller assembly
Problem area Propeller

2012-01-02

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

Unsafe Condition: Small cracks have been found on engine pylons in the area of the lower engine support that have not been detected during the standard daily inspection. This condition, if not detected and corrected...

Effective: Feb 15, 2012 Category: engine Compliance: Within 30 days after the effective date of this AD.

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Gliders

2006-25-14

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Model Duo Discus T Gliders

Unsafe Condition: Possible failure of the attachment of the propeller blades.

Effective: Jan 3, 2007 Category: propeller Compliance: Within 15 hours time-in-service (TIS) or before further flight, depending on the propeller's TIS ...

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Model Duo Discus T Gliders

Technical illustration of an aircraft propeller assembly
Problem area Propeller

2006-22-10

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Airworthiness Directives; Schempp-Hirth GmbH & Co. KG Models Mini-Nimbus B and Mini-Nimbus HS-7 Sailplanes

Unsafe Condition: Failure in the flap actuating circuit due to the lever at the torsional drive in the fuselage failing at the weld.

Effective: Dec 1, 2006 Category: aircraft Compliance: Within 90 days after December 1, 2006

Why matched: Airworthiness Directives; Schempp-Hirth GmbH & Co. KG Models Mini-Nimbus B and Mini-Nimbus HS-7 Sailplanes

2004-24-11

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Model Duo-Discus Gliders

Unsafe Condition: Failure of the bonding of the spar cap and spar web, which could result in an in-flight wing failure.

Effective: Dec 30, 2004 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Model Duo-Discus Gliders

2004-08-12

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Models Ventus-2a, Ventus-2b, Discus-2a, and Discus-2b Sailplanes

Unsafe Condition: Failure of the sailplane elevator control system due to flutter and instability, which could lead to loss of sailplane control.

Effective: Jun 4, 2004 Category: aircraft Compliance: Before further flight.

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Models Ventus-2a, Ventus-2b, Discus-2a, and Discus-2b Sailplanes

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

2003-16-51

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Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Model Duo-Discus Gliders

Unsafe Condition: Defective bonding of the spar cap and spar web.

Effective: Aug 20, 2003 Category: aircraft Compliance: Before further flight.

Why matched: Airworthiness Directives; Schempp-Hirth Flugzeugbau GmbH Model Duo-Discus Gliders

99-03-01

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Airworthiness Directives; Schempp-Hirth K.G. Models Standard-Cirrus, Nimbus-2, JANUS, and Mini-Nimbus HS-7 Sailplanes

Unsafe Condition: The locking hook on the tailplane attachment bracket may disengage, resulting in the horizontal tailplane coming loose from the fin with possible loss of longitudinal control of the sailplane.

Effective: Mar 12, 1999 Category: aircraft Compliance: Required within the next 6 calendar months after the effective date of this AD, unless already ac...

Why matched: Airworthiness Directives; Schempp-Hirth K.G. Models Standard-Cirrus, Nimbus-2, JANUS, and Mini-Nimbus HS-7 Sailplanes

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