# NTSB DEN78DTC08: Cessna T210L, N4660Q, Thayne, WY, December 6, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 6, 1977
- Place: Thayne, WY · THAYNE, WY
- Location: 42.9199° N, 110.9953° W: Placed by OpenAirDocs: center of Thayne, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.9199&lon=-110.9953&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 7, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143856
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78DTC08
- Page: https://openairdocs.org/ntsb/DEN78DTC08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4069   77/12/6 NR.THAYNE,WY          CESSNA T210L        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 53, 6151
        TIME - 1200                    N4660Q              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 2351 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - STAR VALLEY RANCH
        DEPARTURE POINT             INTENDED DESTINATION
         THAYNE,WY                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: SNOWBANK                                  TAKEOFF: RUN
        PROBABLE CAUSE(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIDDEN HAZARD
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW WINDROWS
        REMARKS- PLT STATED HE DROVE TRUCK DOWN RWY TO CHECK IT PRIOR TO TKOF.
```

## 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: Star Valley Ranch

## 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 19771206038399A](https://openairdocs.org/incident/19771206038399A), Dec 6, 1977: Cessna T210L, Thayne, WY, Substantial damage. Plt stated he drove truck down rwy to check it prior to tkof.

## 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 DEN76DTC26](https://openairdocs.org/ntsb/DEN76DTC26), Feb 29, 1976: Cessna T210L (N4660Q), Afton, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.