- Date
- February 27, 1992, 09:00 local (17:00 UTC)
- Place
- Mulino, OR
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N11568Cessna 150L
- Weather
- Visual (VMC) · Day
- Status
- Completed · report August 13, 1993
- Report
- Approved by Office Director
- FAA report
- 19920227007499A
- Case key
- 41634
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
Carburetor ice and improper use of the carburetor heat. Factors to the accident were: carburetor icing conditions and an inadequate weather evaluation.
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
During a pleasure flight, the airplane was in cruise flight when the engine RPM dropped. The plt applied carburetor heat and the RPM increased. The plt turned off the carburetor heat and the RPM dropped. The plt continued to turn on and off the carburetor heat until the engine was unable to produce sufficient power to maintain altitude. The pilot initiated an emergency landing in an open field where during the landing roll, the airplane nosed over. Post crash examination of the engine did not reveal any mechanical failures or malfunctions. Existing meteorological conditions at the time of the accident were within range of probable carburetor icing conditions.
Aircraft
- Registration
- N11568
- Reported as
- Cessna 150L
- Category
- Airplane
- Serial number
- 15075528
- Airframe hours
- 3,500
- Engine
- Continental O-200, 100 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Kay Smith
- Registered owner
- Kay Smith
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · February 1, 1992 · 54 hours before
- Departed
- O56 · Vancouver, WA
- Destination
- S21 · Sunriver, OR
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
- 25
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--no waivers/lim.
- Seat
- Right
- Flight hours
- 285 total · 134 in this make and model · 198 as pilot in command · 42 in the last 90 days · 9 in the last 30 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 40 statute miles
- Temperature
- 61 °F
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 N11568 · 1
Matched to the same aircraft by N-number and date.