# NTSB SEA68A0049: Hughes 269B, N9389F, Wyola, MT, January 18, 1968

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: January 18, 1968
- Place: Wyola, MT · WYOLA, MT
- Location: 45.1153° N, 107.3738° W: Placed by OpenAirDocs: center of Wyola, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.1153&lon=-107.3738&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report July 1, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 111744
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA68A0049
- Page: https://openairdocs.org/ntsb/SEA68A0049

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1291  68/1/18  NR.WYOLA,MONT         HUGHES 269B         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1000                    N9389F              PX-  0  0  2  CTR PASSG-D               AGE 31, 2227 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            305 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        REMARKS- SNOW-COUNT SURVEY.ACFT STRUCK GRND SPINNING TO THE RIGHT.
```

## Aircraft

- Registration: [N9389F](https://openairdocs.org/deregistered/N9389F-2020-03-20), registration cancelled 2020-03-20, S/N 0113, built 1964 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: 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.