AD 2017-11-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Pilatus | AIRCRAFT LTD | Airworthiness Directives; PILATUS AIRCRAFT LTD. Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; PILATUS AIRCRAFT LTD. Airplanes |
Unsafe Condition
An error within the Flight Management System (FMS) introduced into Primus APEX software Build 10 or 10.9, which could cause deviation from the correctly calculated barometric vertical navigation nominal glide path.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Amend the applicable Aircraft Flight Manual (AFM) to address the unsafe condition.
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Compliance Time
Before further flight
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Affected Aircraft
PILATUS AIRCRAFT LTD. Model PC-12/47E airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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