# NTSB LAX70F0230: Bell 206A, N4057G, Grnd Canyon, AZ, July 29, 1969

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 29, 1969
- Place: Grnd Canyon, AZ · GRND 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: Fatal
- Injuries: 2 fatal
- Status: Completed, report February 13, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 165838
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX70F0230
- Page: https://openairdocs.org/ntsb/LAX70F0230

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3043  69/7/29    GRND CANYON,ARIZ    BELL 206A           CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 31, 8400
        TIME - 1005                    N4057G              PX-  1  0  0  CONSTRUCTION              TOTAL HOURS, 800 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GRND CANYON,ARIZ            GRND CANYON,ARIZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            TAKEOFF: INITIAL CLIMB
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
          ROTORCFT-LOSS OF ROTOR RPM,CAUSE UNDETERMINED.
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
         FIRE AFTER IMPACT
        REMARKS- OVR STEEP SLOPE.NO ATTEMPT TO LWR PITCH OR DIVE.
```

## Aircraft

- Registration: [N4057G](https://openairdocs.org/deregistered/N4057G-1971-01-18), registration cancelled 1971-01-18, S/N 214 (OpenAirDocs)
- Reported make and model: BELL 206A
- Registry model: [Bell 206A](https://openairdocs.org/model/bell-206a) (registry code 1181508) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed

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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