- Date
- December 1, 1983, 22:30 local (Dec 2, 1983, 05:30 UTC)
- Place
- Helena, MT
- Injuries
- 1 serious, 1 uninjured; on the ground: 1 serious
- Damage
- Minor damage
- Phase of flight
- Standing
- Aircraft
- N4818DCessna 172N
- Weather
- Visual (VMC) · Night/dark
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19831201061299A
- Case key
- 16297
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Analysis
The acft propeller struck a passenger who was attemping to sweep snow off the acft. The plt's and passenger's version of mishap vary. The plt stated he instructed the passenger to stay away from the acft. The passenger stated the plt toldhim to sweep the snow off the acft and that the next thing he remembers 'is holding my arm after it had been hit.'
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
- N4818D
- Reported as
- Cessna 172N
- Category
- Airplane
- Serial number
- 17272367
- Airframe hours
- 1,141
- Engine
- Lycoming O-320-H2AD, 160 horsepower, reciprocating
- Damage
- Minor damage
- Flight
- Personal · Part 91
- Registered owner
- Marathon Aviation Company
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · January 4, 1983 · 282 hours before
- Departed
- BTM · Butte, MT
- Flight plan
- VFR
- Airport
- HLN · Helena
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
- 55
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 395 total · 170 in this make and model · 281 as pilot in command · 19 in the last 90 days · 1 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Night/dark
- Wind
- 350° at 5 knots
- Visibility
- 15 statute miles
- Lowest ceiling
- None
- Temperature
- 3 °F, dew point 5 °F
- Altimeter
- 29.00 inHg
- Observed at
- HLN
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.