- Date
- February 17, 1989, 07:13 local (15:13 UTC)
- Place
- Spokane, WA
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N54USMitsubishi MU-2B-35J
- Weather
- Instrument (IMC) · Dawn
- Status
- Completed · report January 22, 1991
- Report
- Approved by Office Director
- FAA report
- 19890217066799A
- Case key
- 40990
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
The failure of the pilot to maintain directional control and runway alignment during the landing roll. Factors related to the accident were: light conditions at dawn, snow and ice on the runway, and the runway lights.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
While landing at dawn with snow & ice on the rwy, the acft drifted left into runway lights, which were buried in a snow berm from previous plowing. The plt said there was 16 inches of snow on the gnd & up to 2 inches on the rwy. He said he thought he had landed on the centerline, lost control in a snowdrift, then the acft drifted into snow adjacent to the rwy.
Aircraft
- Registration
- N54US
- Reported as
- Mitsubishi MU-2B-35J
- Category
- Airplane
- Serial number
- 590
- Airframe hours
- 4,076
- Engine
- Garrett TPE-331-6, 715 horsepower, turbo prop
- Damage
- Substantial damage
- Flight
- Part 135
- Registered owner
- Richardson Aviation
- Airworthiness certificate
- Standard, Normal
- Last inspection
- AAIP · January 12, 1989 · 30 hours before
- Departed
- BFI · Seattle, WA
- Flight plan
- IFR
- Airport
- GEG · Spokane Int'L, runway 3, 9,000 × 150 ft, asphalt
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 44
- Certificates
- Flight instructor, Airline transport
- Airplane ratings
- Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 1, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 6,471 total · 520 in this make and model · 5,587 as pilot in command · 240 in the last 90 days · 92 in the last 30 days · 4 in the last 24 hours
Weather
- Conditions
- Instrument (IMC) · Dawn
- Wind
- 40° at 11 knots
- Visibility
- 2 statute miles
- Lowest ceiling
- 900 ft
- Temperature
- 16 °F, dew point 12 °F
- Altimeter
- 30.00 inHg
- Observed at
- GEG
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.