Cessna 172 N9033H

Summary

On 30 December 1984 at about 14:35 local time, a Cessna 172 registered N9033H was involved in an accident near Ft. Collins, Colorado, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.

Date

30 December 1984 at 14:35

Classification

Accident

Location

Ft. Collins, Colorado, United States

Nearest airport

Downtown (3V5)

Coordinates

Not recorded

Aircraft

Cessna 172

Registration

N9033H

Category

Airplane

Engines

1

Operator

Not recorded

Operating rule

Part 91: General Aviation

Purpose of flight

Personal

Phase of flight

Not recorded

Route

Englewood → Fort Collins

Aircraft damage

Substantial

Weather

VMC

Light

Day

NTSB number

DEN85LA052

Nobody was injured.

The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.

Nothing about the cause is stated here that is not in the source record.

Read the full NTSB narrative

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.

Quoted verbatim from the NTSB record.