# NTSB MKC72AK021: Cessna 320D, N4157T, Aspen, CO, September 26, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 26, 1971
- Place: Aspen, CO · ASPEN, CO
- Location: 39.1952° N, 106.8368° W: Placed by OpenAirDocs: center of Aspen, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1952&lon=-106.8368&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report July 27, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163321
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72AK021
- Page: https://openairdocs.org/ntsb/MKC72AK021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4280  71/9/26  NR.ASPEN,COLO         CESSNA 320D         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 54, 1300
        TIME - 1630                    N4157T              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 80 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         ASPEN,COLO                   PHOENIX,ARIZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      70
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          170                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
         FIRE AFTER IMPACT
        REMARKS- TURNED INTO RAPIDLY RISING TERRAIN AFTER T/O. DENSITY ALT ABOUT 12700 FT.PLTS TOTAL AS OF 7/1/70.
```

## Aircraft

- Registration: [N4157T](https://openairdocs.org/deregistered/N4157T-1971-10-19), registration cancelled 1971-10-19, S/N 320D0057 (OpenAirDocs)
- Reported make and model: CESSNA 320D
- Registry model: [Cessna 320D](https://openairdocs.org/model/cessna-320d) (registry code 2074512) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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