- Date
- July 29, 1989, 10:30 local (15:30 UTC)
- Place
- Chilton, WI
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N4XKProspector FK-1
- Weather
- Visual (VMC) · Day
- Status
- Completed · report August 22, 1990
- Report
- Approved by Office Director
- FAA report
- 19890729025729A
- Case key
- 14264
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 poor in flight planning in that he diverted his attention and continued the flight beyond the original period planned. Before takeoff the pilot was aware of his fuel endurance.
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.
Aircraft
- Registration
- N4XK
- Reported as
- Prospector FK-1
- Category
- Airplane, amateur-built
- Serial number
- 001
- Airframe hours
- 44
- Engine
- Lycoming O-320, 150 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Frederick H. Keller
- Registered owner
- Keller, Frederick
- Airworthiness certificate
- Special, Experimental (Special)
- Departed
- OSH · Oshkosh, WI
- Destination
- OSH · Oshkosh, WI
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
- 46
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--no waivers/lim.
- Seat
- Left
- Flight hours
- 1,600 total · 44 in this make and model · 45 in the last 90 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 120° at 6 knots
- Visibility
- 15 statute miles
- Lowest ceiling
- 20,000 ft broken
- Temperature
- 68 °F, dew point 55 °F
- Altimeter
- 30.00 inHg
- Observed at
- OSH, 15 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.
Other investigations on N4XK · 1
Matched to the same aircraft by N-number and date.