DEN84FA293

NTSB accident investigation · Cessna 172K · Aspen, CO · September 17, 1984

Accident · Serious injuriesField investigationFinal report
Date
September 17, 1984, 16:55 local (22:55 UTC)
Place
Aspen, CO
Injuries
2 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N78680Cessna 172K
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840917052749A
Case key
16240

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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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.

In flight collision with terrain/waterManeuvering
Preflight planning/preparation - inadequatePilot in commandFactor
Vfr procedures - not followedPilot in commandFactor
Terrain condition - mountainous/hillyFactor
Terrain condition - risingFactor
Weather condition - high density altitudeFactor
Proper climb rate - not possiblePilot in command
Weather condition - unfavorable windFactor
Clearance - not attainedPilot in commandCause
Stall/mush - inadvertentPilot in command

Analysis

After takeoff from a valley airstrip in mountainous terrain, plt elected to climb out straight ahead toward rising terrain instead of circling to gain altitude first (normal procedure). Approaching mountain pass, acft was observed climbing below level of the highway. No attempt to reverse course noted. Acft mushed into terrain. Plt cited adverse winds at the pass. Investigation showed density altitude was 14664 ft.

Aircraft

Registration
N78680
Reported as
Cessna 172K
Category
Airplane
Serial number
172-57717
Airframe hours
2,803
Engine
Lycoming O-360-A1LD, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Business · Part 91
Operator
Mountain View Airmotive
Registered owner
James A. Lembo
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · September 4, 1984 · 18 hours before
Departed
ASE · Aspen, CO
Destination
Alamosa, CO

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
34
Certificate
Airline transport
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
4,986 total · 39 in this make and model · 4,869 as pilot in command · 210 in the last 90 days · 70 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
320° at 5 knots
Visibility
30 statute miles
Lowest ceiling
None
Temperature
70 °F, dew point 39 °F
Altimeter
30.00 inHg
Observed at
ASE, 13 nm away

FAA reports on this event · 1

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