AD 2012-14-15
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Honeywell | International | Airworthiness Directives; Honeywell International, Inc. Global Navigation Satellite Sensor Units |
Unsafe Condition
A software problem in the Honeywell International, Inc. Model KGS200 Mercury extsuperscript{2} WAAS GNSSU could result in an incorrect ionospheric correction and error estimate, leading to misleading information during LP, LPV, or SBAS LNAV/VNAV approaches.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Incorporate airworthiness limitations and placards prohibiting LP, LPV, and SBAS LNAV/VNAV approaches until the software problem is corrected.
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Compliance Time
Before further flight
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Affected Aircraft
Honeywell International, Inc. Model KGS200 Mercury extsuperscript{2} WAAS GNSSU, part numbers 066-01201-0102 and 066-01201-0104, installed on, but not limited to, Pilatus Aircraft Ltd. Model Pilatus PC-12/47E airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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