DEN83LA018

NTSB accident investigation · Cessna 172 · St. Ignatius, MT · November 12, 1982

Accident · No injuriesLimited investigationFinal report
Date
November 12, 1982, 01:33 local (08:33 UTC)
Place
St. Ignatius, MT
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N733UECessna 172
Weather
Visual (VMC) · Day
Status
Completed · report November 12, 1983
Report
Approved by Office Director
FAA report
19821112058529A
Case key
72698

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.

Miscellaneous/otherTakeoff - roll/run
Door,passenger - openFactor
Maintenance,adjustment - inadequateCompany maintenance personnelFactor
OverrunTakeoff - roll/run
Terrain condition - icyFactor
Aborted takeoff - performedPilot in commandFactor
Planning/decision - improperPilot in commandCause
On ground/water encounter with terrain/waterTakeoff - roll/run
Terrain condition - ditchFactor

Analysis

According to the pilot, the passenger door opened before lift off. He attempted to brake the aircraft in wet snow and ice and slid off the end of the runway into a ditch. The investigation revealed the aircraft had a past history of the entry door latch "popping open" during flight.

Aircraft

Registration
N733UE
Reported as
Cessna 172
Category
Airplane
Serial number
17268552
Airframe hours
91
Engine
Lycoming IO-320-H2AD, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Barbara J. Pierson
Registered owner
Barbara J. Pierson
Departed
52S · St. Ignatius, MT
Destination
52S · St. Ignatius, MT
Airport
52S · St. Ignatius, runway 26, 2,500 × 50 ft, asphalt

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
22
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Flight hours
186 total · 82 in this make and model · 116 as pilot in command · 49 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
2 statute miles
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.