DEN83LA103

NTSB accident investigation · Cessna 172 · Leadville, CO · April 23, 1983

Accident · No injuriesLimited investigationFinal report
Date
April 23, 1983, 11:00 local (18:00 UTC)
Place
Leadville, CO
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N4609JCessna 172
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830423015189A
Case key
16069

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.

Loss of control - in flightManeuvering
Terrain condition - mountainous/hillyFactor
Terrain condition - high terrainFactor
Weather condition - high density altitudeFactor
In-flight planning/decision - improperPilot in commandCause
Altitude - inadequatePilot in commandCause
Stall/mush - inadvertentPilot in commandFactor
In flight collision with terrain/waterManeuvering

Analysis

The acft collided with snow covered rising terrain when flt was attempted through a canyon pass. The plt said he could see that the terrain could not be cleared so he was trying to turn around to fly out. The acft stalled in the turn and mushed into the snow. The plt had lowered 10 degrees of flaps and reported that the stall warning was going. The plt said he sould have circled longer or carried one less person or less fuel. The density alt was computed as 14,012 ft.

Aircraft

Registration
N4609J
Reported as
Cessna 172
Category
Airplane
Serial number
17273653
Airframe hours
988
Engine
Lycoming O-320-HZAD, 160 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Alpine Flight Services
Registered owner
Cohig And Company
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 7, 1982 · 20 hours before
Departed
LUX · Leadville, CO
Destination
PUB · Pueblo, CO
Flight plan
VFR

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
37
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Right
Flight hours
4,975 total · 1,000 in this make and model · 4,584 as pilot in command · 91 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 3 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
50 °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.