DEN84LA048

NTSB accident investigation · Cessna 421B · Aspen, CO · December 23, 1983

Accident · Minor injuriesLimited investigationFinal report
Date
December 23, 1983, 09:12 local (16:12 UTC)
Place
Aspen, CO
Injuries
1 minor, 3 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N768TCessna 421B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19831223063679A
Case key
16305

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.

Loss of control - in flightApproach - vfr pattern - final approach
Weather condition - snowFactor
Visual lookout - poorPilot in commandCause
Visual/aural perceptionPilot in commandCause
Weather condition - fogFactor
Compensation for wind conditions - inaccuratePilot in commandCause
Directional control - not maintainedPilot in commandCause
Proper alignment - not maintainedPilot in commandCause
UndershootApproach - vfr pattern - final approach

Analysis

The acft collided with the snow to the side and short of the rwy during the approach to land. The plt said the acft was blown off line and his vision was obscured by blowing snow. The acft hit REIL lights and stopped 760 ft short of the approach end of the rwy. The weather was 3000 ft scattered, estimated 4000 ft overcast, visibility 6 miles in light snow showers, wind from 310 degrees at 15 KTS. 30 minutes later was indefinite ceiling 100 ft obscured visilbity 2 miles in blowing snow and fog, wind from 330 degrees at 15 KTS.

Aircraft

Registration
N768T
Reported as
Cessna 421B
Category
Airplane
Serial number
421B0935
Airframe hours
3,137
Engine
Continental GTSIO-520-H1, 375 horsepower, reciprocating
Damage
Substantial damage
Flight
Part 135
Registered owner
Howard Calloway & Ralph Walton
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · June 1, 1983 · 30 hours before
Departed
SKX · Taos, NM
Flight plan
IFR
Airport
ASE · Aspen, runway 15, 7,003 × 150 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
42
Certificates
Flight instructor, Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
5,938 total · 820 in this make and model · 5,586 as pilot in command · 61 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
310° at 15 knots
Visibility
15 statute miles
Lowest ceiling
4,000 ft overcast
Temperature
18 °F, dew point 7 °F
Altimeter
29.00 inHg
Observed at
ASE

FAA reports on this event · 1

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