# Incident 19990223013849I: Fokker F28MK4000, Bozeman, MT, February 23, 1999

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: February 23, 1999, 17:43 local time
- Place: Bozeman, MT
- Airport: Gallatin Fld
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: QXEA
- Location: 45.6839° N, 111.0576° W: Placed by OpenAirDocs: center of Bozeman, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.6839&lon=-111.0576&mi=10
- Aircraft: N479AU, a cancelled registration (https://openairdocs.org/deregistered/N479AU-2004-02-27) (OpenAirDocs)
- Registry model: Fokker F.28 MK4000 (registry code 4990810, https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Reported make and model: FOKKER F28MK4000
- Reported engine: RROYCE SPEY55515
- People aboard: 34
- Fatal injuries: 0
- Pilot flight hours: 10,000 total, 1,200 in this make and model, 360 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990223013849I

## Narrative

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

(-5)HORIZON, FLIGHT 2184, FOKKER-MODEL FK-28-MK4000. N479AU. ON 2/23/99, 17:43 MST, AIRCRAFT N479QU, S/N 11228, HORIZON FLIGHT NO. 2184.  PILOT REPORTED WHILE IN CRUISE FLIGHT THAT THE "CHANNEL LIGHTS" FOR THE HORIZONTAL STABILIZER ILLUMINATED, AIRCRAFT LANDED SAFELY AT BOZEMAN AIRPORT.  TROUBLESHOOTING THE STABILIZER CHANNEL LIGHT SYSTEM INDICATED A STICKING SWITCH MALFUNCTION.  A MALFUNCTION OR DEFECT REPORT HAD BEEN FILED BY THE FAA OFFICE.

## Other reports on N479AU (5)

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

- [Incident 19980104002109I](https://openairdocs.org/incident/19980104002109I), Jan 4, 1998: Fokker F28MK4000 (N479AU), Sacramento, CA, Minor damage. Narrative: on final approach at 2000 feet, 200 knots airspeed, gear and flaps up, the aircraft was struck by a large bird. After the strike, other than a…
- [Incident 19950304006899I](https://openairdocs.org/incident/19950304006899I), Mar 4, 1995: Fokker F28MK4000 (N479AU), Huntington, WV, Minor damage. Narrative: upper segment of torque link on left main gear broke on landing causing wheels to oscillate as aircraft rolled out. About 3000 feet into landing…
- [Incident 19941123048029I](https://openairdocs.org/incident/19941123048029I), Nov 23, 1994: Fokker F28MK4000 (N479AU), Evansville, IN. Lost horizontal stabilizer servo landing. Actuator gear box low on fluid and contaminated. Used manual control.
- [Incident 19910926047509I](https://openairdocs.org/incident/19910926047509I), Sep 26, 1991: Fokker F28MK1000 (N479AU), Buffalo, NY. Left engine hydraulic system overheat warning on climb. Returned. Replaced hydraulic pump and filter.
- [Incident 19890209017269I](https://openairdocs.org/incident/19890209017269I), Feb 9, 1989: Fokker F28MK4000 (N479AU), Syracuse, NY. Horizontal stabilizer failure due to loss of hydraulic fluid on climb. Returned. Replaced check valve.

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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