DEN89LA055

NTSB accident investigation · Cessna 172 · Longmont, CO · January 4, 1989

Accident · No injuriesLimited investigationFinal report
Date
January 4, 1989, 10:00 local (17:00 UTC)
Place
Longmont, CO
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N96319Cessna 172
Weather
Visual (VMC) · Day
Status
Completed · report January 22, 1991
Report
Approved by Office Director
FAA report
19890104000209A
Case key
17659

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

Failure of the student pilot to maintain proper runway alignment during the landing roll. Factors related to the accident were: snow on the edges of the runway, the student's lack of total experience, and the snowbank.

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.

On ground/water encounter with terrain/waterLanding - roll
Airport facilities,runway/landing area condition - snow coveredFactor
Proper alignment - not maintainedPilot in commandCause
Lack of total experiencePilot in commandFactor
Terrain condition - snowbankFactor
Nose overLanding - roll

Analysis

The student plt landed on rwy 29 (4200 x 60 ft) in calm wind conditions. He stated that during the landing, the acft veered to the left, encountered a snowdrift & subsequently nosed over. Also, he rprtd that about 6 to 8 ft of the runway was still covered with snow at the edges. He believed that plowing the full width of the runway may have helped prevent the accident.

Aircraft

Registration
N96319
Reported as
Cessna 172
Category
Airplane
Serial number
17276056
Airframe hours
2,772
Engine
Lycoming O-320-D2J, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Denver Air Center
Registered owner
Warner W. Tyler
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · December 6, 1988 · 37 hours before
Departed
BJC · Denver, CO
Destination
2V2
Airport
2V2 · Longmont, runway 29, 4,200 × 60 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
49
Certificate
Student
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
22 total · 22 in this make and model · 2 as pilot in command · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
20 statute miles
Lowest ceiling
None
Temperature
39 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.