# NTSB DEN67D0237: Interstate S-1A, N37307, Afton, WY, March 7, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 7, 1967
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 16, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 118067
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN67D0237
- Page: https://openairdocs.org/ntsb/DEN67D0237

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0718   67/3/7    AFTON,WYO           INTERSTATE S-1A     CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1700                    N37307              PX-  0  0  1  OTHER                     AGE 46, 13692 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 8000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: OTHER
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PUSH-PULL TYPE FUEL SHUT-OFF VALVE WAS CLOSED BY SHIFTING EQUIPMENT IN THE CABIN. HORSE HERDING.
```

## Aircraft

- Registration: [N37307](https://openairdocs.org/deregistered/N37307-1971-01-04), registration cancelled 1971-01-04, S/N 150 (OpenAirDocs)
- Reported make and model: INTERSTATE S-1A
- Registry model: [Interstate S-1A](https://openairdocs.org/model/interstate-s-1a) (registry code 1850202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N37307 (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 DEN66D0304](https://openairdocs.org/ntsb/DEN66D0304), Apr 26, 1966: Interstate S-1A (N37307), Fontenelle, 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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