- Date
- July 16, 1990, 20:03 local (Jul 17, 1990, 03:03 UTC)
- Place
- Klamath Falls, OR
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N40643Maule M-4-220C
- Weather
- Visual (VMC) · Day
- Status
- Completed · report December 15, 1992
- Report
- Approved by Office Director
- FAA report
- 19900716037169A
- Case key
- 41253
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 NTSB’s determination of the probable cause, and any contributing factors.
Pilot's failure to maintain directional control during the landing roll, resulting in a ground loop. The pilot's lack of experience in this make/model was a related factor.
Analysis
The pilot of the tailwheel equipped aircraft lost directional control after landing, which resulted in a ground loop.
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
- N40643
- Reported as
- Maule M-4-220C
- Category
- Airplane
- Serial number
- 2159C
- Engine
- Franklin GA-350-C1, 220 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Jeko Aviation
- Airport
- LMT · Klamath Falls, runway 32, 10,301 × 150 ft, concrete
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 28
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 2, Valid Medical--no waivers/lim.
- Flight hours
- 370 total · 1 in this make and model · 312 as pilot in command · 70 in the last 90 days · 26 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 320° at 10 knots
- Visibility
- 25 statute miles
- Lowest ceiling
- 10,000 ft broken
- Temperature
- -0 °F, dew point -0 °F
- Observed at
- LMT
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.