# Incident 20230223001939I: Cessna 208B, Anchorage, AK, February 23, 2023

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: February 23, 2023, 10:28 local time
- Place: Anchorage, AK
- Airport: Ted Stevens Anchorage International
- Damage: No damage
- Phase of flight: Landing: Approach
- Operating rules: Air taxi and commuter (Part 135)
- Operator: ENHA
- Location: 61.1741° N, 149.9981° W: Placed by OpenAirDocs at TED STEVENS ANCHORAGE INTL (ANC), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=61.1741&lon=-149.9981&mi=10
- Aircraft: N1296Y, registered now (https://openairdocs.org/aircraft/N1296Y) (OpenAirDocs)
- Registry model: Cessna 208B (registry code 2073701, https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Registry engine: Pratt & Whitney PT6A series (registry code 52032, https://openairdocs.org/engine/pratt-whitney-pt6a-series) (OpenAirDocs)
- Reported make and model: CESSNA 208B
- Reported engine: P&W PT6A SER
- People aboard: 8
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Commercial pilot
- Pilot flight hours: 1,300 total
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20230223001939I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ASAP ACCEPTED.

SUSPECTED AUTO-PILOT FAILURE WHEN INTERCEPTING THE LOCALIZER FOR LANDING, (ALL CONTROLS BECAME STIFF AND THE AIRCRAFT WENT INTO A NOSE DOWN ATTITUDE LOSING ALTITUDE AND DIFFICULT TO CONTROL THE AIRCRAFT). TOWER REQUESTED ALTITUDE CHECK AND PROVIDED VECTORS FOR A SECOND LANDING ATTEMPT. THE PILOT RECOVERED THE AIRCRAFT AND LANDED ON THE SECOND ATTEMPT.

THE CERTIFICATE HOLDER HAD AN APPROPRIATELY RATED REPAIR STATION TEST AND EVALUATE THE AUTOPILOT SYSTEM. NO DISCREPANCIES WERE NOTED, HOWEVER THE GMC-605 AUTOPILOT CONTROLLER WAS REPLACED AS A PRECAUTIONARY MEASURE.

THE CERTIFICATE HOLDER CONCLUDED THE INTERNAL TAP-ROOT INVESTIGATION INTERVIEW WITH THE PILOT AND THE EVALUATION OF THE AUTO-PILOT PARAMETERS, MANUFACTURES TESTING REPORT, OBTAINED FROM THE REPAIR STATION.

THE CERTIFICATE HOLDER WAS UNABLE TO CONCLUSIVELY DETERMINE THE CAUSAL FACTORS OF THE EVENT TO ATTRIBUTE PILOT ERROR OR SYSTEM FAILURE.

THE GMC-605 AUTO-PILOT CONTROLLER HAS BEEN REPLACED AND NO FURTHER AUTO-PILOT DISCREPANCIES HAVE BEEN NOTED. NO REGULATORY VIOLATION CAN BE NOTED.  THE MAINTENANCE CORRECTIVE ACTIONS TAKEN BY THE CERTIFICATE HOLDER AND MITIGATION OF FUTURE OCCURRENCES HAVE BEEN SATISFACTORILY MET.

## Other reports on N1296Y (1)

Matched to the same aircraft by N-number and date.

- [Incident 20180219002809I](https://openairdocs.org/incident/20180219002809I), Feb 19, 2018: Cessna 208B (N1296Y), Bethel, AK, No damage. PIC was returning to bet airport from eek, isolated moderate icing from 10,000 to 17,000 was forecast. Deice/anti-ice eqiupment was operating and no…

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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