# NTSB LAX74DUJ48: Bell 206B, N4052G, Grnd.Canyon, AZ, March 18, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 18, 1974
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report May 20, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186458
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX74DUJ48
- Page: https://openairdocs.org/ntsb/LAX74DUJ48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0715  74/3/18    GRND.CANYON,ARIZ    BELL 206B           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 39, 6960
        TIME - 1445                    N4052G              PX-  0  0  2  OTHER                     TOTAL HOURS, 800 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GRND.CANYON,ARIZ            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           TERRAIN - SNOW-COVERED
        REMARKS- SNOW CRUST COLLAPSED UNDER RIGHT SKID. SNOW SURVEY FLT.
```

## Aircraft

- Registration: [N4052G](https://openairdocs.org/deregistered/N4052G-1988-03-21), registration cancelled 1988-03-21, S/N 156 (OpenAirDocs)
- Reported make and model: BELL 206B
- Registry model: [Bell 206A](https://openairdocs.org/model/bell-206a) (registry code 1181508) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19740318005619A](https://openairdocs.org/incident/19740318005619A), Mar 18, 1974: Bell 206A, Grnd.Canyon, AZ, Substantial damage. Snow crust collapsed under right skid. Snow survey flt.

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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