# NTSB DEN73DTM25: Beech V35-TC, N9478S, Hanksville, UT, April 1, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 1, 1973
- Place: Hanksville, UT · HANKSVILLE, UT
- Location: 38.3720° N, 110.7135° W: Placed by OpenAirDocs: center of Hanksville, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.3720&lon=-110.7135&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 5, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170622
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN73DTM25
- Page: https://openairdocs.org/ntsb/DEN73DTM25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0874   73/4/1    HANKSVILLE,UT       BEECH V35-TC        CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 35, 380
        TIME - 1830                    N9478S              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 80 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BULLFROG BASIN
        DEPARTURE POINT             INTENDED DESTINATION
          HANKSVILLE,UT               MOAB,UT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT SHOULDERS
        REMARKS- ACFT RAN OFF NARROW RWY TO THE R INTO SOFT SAND.BOTH WINGS BUCKLED AND L WING TIP DMGD.
```

## Aircraft

- Registration: [N9478S](https://openairdocs.org/aircraft/N9478S), registered now, S/N D-8057, built 1966 (OpenAirDocs)
- Reported make and model: BEECH V35-TC
- Registry model: [Beech V35](https://openairdocs.org/model/beech-v35) (registry code 1151538) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Bullfrog Basin

## 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 19730401007549A](https://openairdocs.org/incident/19730401007549A), Apr 1, 1973: Beech V35, Hanksville, UT, Substantial damage. Acft ran off narrow rwy to the r into soft sand. Both wings buckled and l wing tip dmgd.

## Other investigations on N9478S (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 CHI72FEA04](https://openairdocs.org/ntsb/CHI72FEA04-162987), Jul 24, 1971: Beech V35 (N9478S), Winchester, IN, 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.