AD 2012-14-15

final rule
Data completeness: 70%

Airworthiness Directives; Honeywell International, Inc. Global Navigation Satellite Sensor Units

AD Number
2012-14-15
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2012-0758
FR Citation
77 FR 42419

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

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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