# NTSB DEN68A0034: Hughes 269B, N9397F, Sundance, WY, January 26, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 26, 1968
- Place: Sundance, WY · SUNDANCE, WY
- Location: 44.4048° N, 104.3662° W: Placed by OpenAirDocs: center of Sundance, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.4048&lon=-104.3662&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 15, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 112252
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN68A0034
- Page: https://openairdocs.org/ntsb/DEN68A0034

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0107  68/1/26    SUNDANCE,WYO        HUGHES 269B         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 42, 1705
        TIME - 1145                    N9397F              PX-  0  0  1  POWER/PIPELINE            TOTAL HOURS, 575 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
           TERRAIN - SNOW-COVERED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - ICE-WINDSHIELD
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           MISCELLANEOUS ACTS,CONDITIONS - WHITEOUT
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                           SLEET, FREEZING DRIZZLE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SNOW                                              31
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          315                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- 3 INS LOOSE SNO ON EMERG LNDG AREA.ROTOR DWNWSH CAUSED WHITEOUT,PLT MISJUDGED LVL OFF.
```

## Aircraft

- Registration: [N9397F](https://openairdocs.org/deregistered/N9397F-2013-03-20), registration cancelled 2013-03-20, S/N 84-0127, 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

## Other investigations on N9397F (4)

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 FTW81FQG04](https://openairdocs.org/ntsb/FTW81FQG04), Oct 26, 1980: Hughes 269B (N9397F), Girard, TX, destroyed
- [NTSB IAD76FIG16](https://openairdocs.org/ntsb/IAD76FIG16), May 31, 1976: Hughes 269B (N9397F), Gaithersburgh, MD, substantial damage
- [NTSB IAD74DIG19](https://openairdocs.org/ntsb/IAD74DIG19), Feb 13, 1974: Hughes 269B (N9397F), Gaithersburg, MD, substantial damage
- [NTSB DEN66A0010](https://openairdocs.org/ntsb/DEN66A0010), Jul 14, 1965: Hughes 269B (N9397F), Cody, 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.