AD 98-04-20
final rule
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Vulcanair S.p.A. | AP68 TP Series 300 Spartacus | Airworthiness Directives; Partenavia Costruzioni Aeronauticas, S.p.A. Model P68, AP68TP 300, AP68TP 600 Airplanes |
| aircraft | Vulcanair S.p.A. | AP68TP 600 Viator | Airworthiness Directives; Partenavia Costruzioni Aeronauticas, S.p.A. Model P68, AP68TP 300, AP68TP 600 Airplanes |
| aircraft | Vulcanair S.p.A. | P 68 | Airworthiness Directives; Partenavia Costruzioni Aeronauticas, S.p.A. Model P68, AP68TP 300, AP68TP 600 Airplanes |
Unsafe Condition
The absence of adequate information in the Airplane Flight Manual (AFM) to determine when icing conditions exceed certification limits and the lack of procedures to exit such conditions presents an unsafe condition. Flight crews may remain in hazardous icing conditions without visual cues or proper exit procedures.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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