# Incident 19990112010379I: Fokker F28MK4000, Missoula, MT, January 12, 1999

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: January 12, 1999, 22:56 local time
- Place: Missoula, MT
- Airport: Missoula International Airport
- Phase of flight: To Init Climb(1st Pwr Reduct)
- Operating rules: Air carrier (Part 121)
- Operator: QXEA
- Location: 46.8721° N, 113.9940° W: Placed by OpenAirDocs: center of Missoula, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.8721&lon=-113.9940&mi=10
- Aircraft: N498US, a cancelled registration (https://openairdocs.org/deregistered/N498US-2013-08-08) (OpenAirDocs)
- Registry model: Fokker F.28 MK4000 (registry code 4990810, https://openairdocs.org/model/fokker-f-28-mk4000) (OpenAirDocs)
- Registry engine: Rolls-Royce SPEY-555-15 (registry code 54521, https://openairdocs.org/engine/rolls-royce-spey-555-15) (OpenAirDocs)
- Reported make and model: FOKKER F28MK4000
- People aboard: 23
- Fatal injuries: 0
- Pilot flight hours: 2,000 total, 6,500 in this make and model, 180 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990112010379I

## Narrative

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

1/12/99, 22:56, AIRCRAFT N498US, S/N11181, HORIZON FLIGHT NO 2488, OUTBOUND FROM MISSOULA, MT., THE PILOT REPORTED THAT DURING DEPARTURE FROM MSO AIRPORT THE "NOSE WHEEL UNSAFE LIGHT" ILLUMINATED. A LANDING GEAR TEST CYCLE WAS ACOMPLISHED AT WHICH TIME THE "UTILITY HYDRAULIC SYSTEM" WARNING LIGHT CAME ON. THE BACK-UP SYSTEM FOR THE GEAR DOOR WAS ACTIVATED AND A SAFE LANDING ACCOMPLISHED. AFTER INVESTIGATION OF THE LANDING GEAR AREA, IT WAS DETERMINED THAT THE NOSE WHEEL GEAR DOOR ACTUATOR WAS LEAKING. A MALFUNCTION OR DEFECT REPORT HAS BEEN FILED.

## Other reports on N498US (3)

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

- [Incident 19960210004639I](https://openairdocs.org/incident/19960210004639I), Feb 10, 1996: Fokker F28MK4000 (N498US), Las Vegas, NV, Minor damage. Narrative: incident occurred on 02/10/96 at approximately 0710 PST. While conducting part 121 charter operations from the scenic air ramp at las, N498US struck…
- [Incident 19960117002279I](https://openairdocs.org/incident/19960117002279I), Jan 17, 1996: Fokker F28MK4000 (N498US), Las Vegas, NV, Minor damage. Narrative: incident occurred at approximately 2254Z (1454 PDT). On or slightly after touchdown, the captain noticed a strong vibration. He used rudder and nose…
- [Incident 19900126007219I](https://openairdocs.org/incident/19900126007219I), Jan 26, 1990: Fokker F28MK4000 (N498US), Syracuse, NY, Minor damage. Encountered severe turbulence during climbout. Descended and made precautionary landing to inspect for damage.

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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