AD 84-13-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Alexander Schleicher GmbH & Co. | ASW-19 | Airworthiness Directives; ALEXANDER SCHLEICHER Model ASW 19 and ASW 19B Gliders |
| aircraft | Alexander Schleicher GmbH & Co. | ASW-19B | Airworthiness Directives; ALEXANDER SCHLEICHER Model ASW 19 and ASW 19B Gliders |
Unsafe Condition
Horizontal tailplane flutter
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Apply a red radial line on the airspeed indicator at 108 Kts (200 km/h) to indicate the new Never Exceed Velocity (VNE). Affix a placard stating 'Maximum Speed 108 Kts (200 km/h)' near the airspeed indicator. Update the glider flight manual's airspeed limitations section with specified speed limits at different altitudes.
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Compliance Time
prior to next flight unless already accomplished
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Affected Aircraft
Alexander Schleicher GmbH & Co. Model ASW-19 and ASW-19B gliders, serial numbers 19001 to 19402, except 19019 and 19210
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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