- Date
- July 11, 1990, 14:15 local (21:15 UTC)
- Place
- Roche Harbor, WA
- Injuries
- 5 uninjured
- Damage
- Substantial damage
- Phase of flight
- Approach
- Aircraft
- N4953ZCessna TU206G
- Weather
- Visual (VMC) · Day
- Status
- Completed · report February 12, 1993
- Report
- Approved by Office Director
- FAA report
- 19900711025439A
- Case key
- 41236
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 pilot's failure to maintain directional control after encountering unstable atmospheric conditions during final approach to landing.
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
The pilot of the Cessna TU206G attempted a landing at a private airstrip on spieden island. At the approach end of the runway, the airplane encountered a downdraft and the pilot lost directional control during the recovery attempt.
Aircraft
- Registration
- N4953Z
- Reported as
- Cessna TU206G
- Category
- Airplane
- Serial number
- U20606857
- Engine
- Continental TSIO-520RCM, 310 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Michael W. Shimasaki
- Registered owner
- Unknown
- Departed
- BFI · Seattle, WA
- Destination
- Spiden Island, WA
- Airport
- NONE · Spieden Isl., runway 9, 1,800 × 30 ft, grass/turf
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 31
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Flight hours
- 187 total · 132 in this make and model · 134 as pilot in command · 4 in the last 90 days · 1 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 50 statute miles
- Lowest ceiling
- None
- Temperature
- -0 °F, dew point -0 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.