# NTSB DEN65A0072: Hughes 269B, N9347F, Grand Canyon, AZ, May 10, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 10, 1965
- Place: Grand Canyon, AZ · GRAND CANYON, AZ
- Location: 36.0544° N, 112.1393° W: Placed by OpenAirDocs: center of Grand Canyon, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.0544&lon=-112.1393&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report July 2, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179164
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN65A0072
- Page: https://openairdocs.org/ntsb/DEN65A0072

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0224  65/5/10    UNKNOWN/NOT REPORTEDHUGHES 269B         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1710                    N9347F              PX-  0  0  2  CORP/EXEC                 AGE 31, 1300 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            300 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - GRAND CANYON HELI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: FENCE,FENCEPOSTS                          TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           WEATHER - HIGH DENSITY ALTITUDE
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  4000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     CALM
        TEMPERATURE-F                                            TYPE OF WEATHER CONDITIONS
           60                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- ACFT LOADED NEAR MAX GROSS DENSITY ALTITUDE ABOUT 7500 FT.
```

## Aircraft

- Registration: [N9347F](https://openairdocs.org/deregistered/N9347F-1965-11-02), registration cancelled 1965-11-02, S/N 540080 (OpenAirDocs)
- Reported make and model: HUGHES 269B
- Registry model: [Hughes 269B](https://openairdocs.org/model/hughes-269b) (registry code 4470502) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Grand Canyon Heli

## Other investigations on N9347F (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 LAX66A0020](https://openairdocs.org/ntsb/LAX66A0020-175845), Sep 9, 1965: Hughes 269B (N9347F), Los Angeles, CA, substantial damage, 2 fatal

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.
