- Date
- July 28, 1988, 10:15 local (15:15 UTC)
- Place
- Oshkosh, WI
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N398Sonerai IIL
- Weather
- Visual (VMC) · Day
- Status
- Completed · report November 28, 1989
- Report
- Approved by Office Director
- FAA report
- 19880728035829A
- Case key
- 13955
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
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.
Loss of control - on ground/water
Weather condition - crosswindFactor
Directional control - not maintainedCause
Ground loop/swerve - inadvertentCause
On ground/water collision with object
Object - runway lightFactor
Aircraft
- Registration
- N398
- Reported as
- Sonerai IIL
- Category
- Airplane, amateur-built
- Serial number
- DW0893
- Airframe hours
- 110
- Engine
- Volkswagen 1835 CC, 60 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Ouverson, Dennis
- Airworthiness certificate
- Special, Experimental (Special)
- Last inspection
- Annual · August 12, 1987 · 27 hours before
- Departed
- CB5 · Baraboo, WI
- Airport
- OSH · Wittman Field, runway 36, 8,001 × 75 ft, concrete
N398Registration cancelled Feb 27, 2013 · Ouverson Dennis W SONERAI IILAirframe modelOuverson Dennis W SONERAI IILEngine modelAmateur-built UNKNOWN ENG
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 41
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--no waivers/lim.
- Seat
- Rear
- Flight hours
- 250 total · 110 in this make and model · 213 as pilot in command · 16 in the last 90 days · 5 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 260° at 12 knots
- Visibility
- 15 statute miles
- Lowest ceiling
- None
- Temperature
- 90 °F, dew point 59 °F
- Altimeter
- 30.00 inHg
- Observed at
- OSH, 5 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.