AD 96-09-27
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Short Brothers PLC | SD3-30 | Airworthiness Directives; Short Brothers Model SD3-30, SD3-60, and SD3-SHERPA Series Airplanes |
| aircraft | Short Brothers PLC | SD3-60 | Airworthiness Directives; Short Brothers Model SD3-30, SD3-60, and SD3-SHERPA Series Airplanes |
| aircraft | Short Brothers PLC | SD3-SHERPA | Airworthiness Directives; Short Brothers Model SD3-30, SD3-60, and SD3-SHERPA Series Airplanes |
Unsafe Condition
The unsafe condition involves the potential for ice accumulation exceeding the capabilities of the airplane's ice protection systems when operating in severe icing conditions, as indicated by specific visual cues.
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Required Actions
Revise the Airplane Flight Manual (AFM) to include recognition cues for severe icing conditions, procedures for exiting such conditions, and limitations or prohibitions on the use of certain flight control devices during severe icing.
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Compliance Time
Effective June 11, 1996.
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Affected Aircraft
Short Brothers Model SD3-30, SD3-60, and SD3-SHERPA series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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