AD Amdt-39-14322
Unsafe Condition
Damage to the fuselage during limit load flight, which could result in reduced structural integrity and lead to loss of control of the sailplane.
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Required Actions
Modify the airspeed indicators, install flight speed reduction and aerobatic maneuver restrictions placards (as applicable), and revise the flight and maintenance manuals. For Model G103A TWIN II ACRO and G103C TWIN III ACRO, retain restrictions on all aerobatic flights, including simple maneuvers, and cloud flying. For Model G103 TWIN ASTIR, reinstate certain operating limits, including a maximum airspeed in calm air (V<INF>NE</INF>) of 135 knots (155 mph/250 km/h).
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Compliance Time
Within 12 months of the effective date (November 30, 2005).
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Affected Aircraft
BURKHART GROB LUFT-UND RAUMFAHRT GmbH & CO KG Models G103 TWIN ASTIR, G103A TWIN II ACRO, and G103C TWIN III ACRO sailplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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