- Date
- December 30, 1984, 07:35 local (14:35 UTC)
- Place
- Ft. Collins, CO
- Injuries
- 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N9033HCessna 172
- Weather
- Visual (VMC) · Day
- Status
- Completed
- Report
- Approved by Office Director
- FAA report
- 19841230069009A
- Case key
- 16617
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 plt reported that upon arrival at fort Collins, and while at cruise altitude, the eng suddenly lost power. During the emergency descent maneuvering he lost sight of the airport and landed in a plowed field. Post crash examination of eng revealed the crankshaft accessory drive gear independently rotated from the crankshaft. The retaining dowel, p/n STD-1065, was found sheared. The retaining bolt was backed out 5 or 6 turns. The safety clip was in place and functional, but not engaged.
Aircraft
- Registration
- N9033H
- Reported as
- Cessna 172
- Category
- Airplane
- Serial number
- 17265909
- Airframe hours
- 3,584
- Engine
- Lycoming O-360-E20, 180 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Charles Beck
- Airworthiness certificate
- Standard, Normal
- Last inspection
- Annual · September 29, 1983
- Departed
- APA · Englewood, CO
- Destination
- 3V5 · Fort Collins, CO
- Flight plan
- VFR
- Airport
- 3V5 · Downtown
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 43
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--w/ waivers/lim
- Seat
- Left
- Flight hours
- 146 total · 29 in this make and model · 65 as pilot in command · 6 in the last 90 days
Weather
- Conditions
- Visual (VMC) · Day
- Visibility
- 25 statute miles
- Lowest ceiling
- None
- Temperature
- 45 °F, dew point 16 °F
- Altimeter
- 30.00 inHg
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.