# NTSB DEN76DTC26: Cessna T210L, N4660Q, Afton, WY, February 29, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 29, 1976
- Place: Afton, WY · AFTON, WY
- Location: 42.7263° N, 110.9320° W: Placed by OpenAirDocs: center of Afton, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.7263&lon=-110.9320&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor
- Status: Completed, report April 9, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153206
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN76DTC26
- Page: https://openairdocs.org/ntsb/DEN76DTC26

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0520  76/2/29    AFTON,WY            CESSNA T210L        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 51, 6000
        TIME - 1400                    N4660Q              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 2200 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - AFTON MUNI
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          KEMMERER,WY                 AFTON,WY                     COKEVILLE,WY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
           PILOT IN COMMAND - SPATIAL DISORIENTATION
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
           TERRAIN - SNOW-COVERED
        REMARKS- NO DEPTH PERCEPTION DUE TO BARREN SNOWCOVERED TERRAIN.
```

## Aircraft

- Registration: [N4660Q](https://openairdocs.org/deregistered/N4660Q-2021-05-08), registration cancelled 2021-05-08, S/N 21059560, built 1972 (OpenAirDocs)
- Reported make and model: CESSNA T210L
- Registry model: [Cessna T210L](https://openairdocs.org/model/cessna-t210l) (registry code 2073449) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Afton Muni

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19760229004449A](https://openairdocs.org/incident/19760229004449A), Feb 29, 1976: Cessna T210L, Afton, WY, Substantial damage. No depth perception due to barren snowcovered terrain.

## Other investigations on N4660Q (1)

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.

- [NTSB DEN78DTC08](https://openairdocs.org/ntsb/DEN78DTC08), Dec 6, 1977: Cessna T210L (N4660Q), Thayne, WY, substantial damage

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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