# NTSB LAX72DUJ64: Hughes 369HS, N9046F, Grnd Canyon, AZ, January 21, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 21, 1972
- 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: 2 uninjured
- Status: Completed, report September 28, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 165244
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX72DUJ64
- Page: https://openairdocs.org/ntsb/LAX72DUJ64

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0285  72/1/21    GRND CANYON,ARIZ    HUGHES 369HS        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 0937                    N9046F              PX-  0  0  0  DUAL                      AGE 24, 3851 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            650 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - GRAND CANYON
        DEPARTURE POINT             INTENDED DESTINATION
          GRND CANYON,ARIZ            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        REMARKS- STUDENT MOVED CYCLIC AFT ON T/D,HELO HIT GND ON HEELS OF SKIDS,M/R BLD HIT TAIL.
```

## Aircraft

- Registration: N9046F (not matched to a registry record)
- Reported make and model: HUGHES 369HS
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Grand Canyon

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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