- Date
- August 22, 1984, 20:30 local (Aug 23, 1984, 00:30 UTC)
- Place
- Twin Lake, MI
- Injuries
- 3 fatal
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N7250XCessna 150A
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19840822046499A
- Case key
- 12423
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.
Analysis
The acft collided with the ground in a spiral like descent with the eng in a power retarded state as evidenced by the sound effects. The was no missing or backfiring of the power plant. The acft struck the ground vertically after being seen in a nose dwn vertical descent while spriraling. The plt had been disqualified by the FAA for medical reasons. He was taking dilantin for prevention of seizures, which is a disqualifying medication for a flt physical. Nothing of a mechanicl nature was found which was causal to the accident profile during the post accident investigation. The autopsy revealed moderate arterlosclerotic heart disease with coronary arteriosclerosis. The plt was 54 years old.
Aircraft
- Registration
- N7250X
- Reported as
- Cessna 150A
- Category
- Airplane
- Serial number
- 15059350
- Airframe hours
- 12
- Engine
- Continental O-200-A, 100 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Richard A. Pumfrey
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · May 4, 1984 · 12 hours before
- Departed
- 31C · Muskegon, MI
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
- 54
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Seat
- Left
- Toxicology
- Performed
- Flight hours
- 700 total · 700 in this make and model
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 330° at 10 knots
- Visibility
- 15 statute miles
- Lowest ceiling
- None
- Temperature
- 70 °F, dew point 61 °F
- Altimeter
- 29.00 inHg
- Observed at
- MKG, 11 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.