# NTSB LAX74DUJ26: Hiller Acft FH1100, N436FH, Sunflower, AZ, October 16, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: October 16, 1973
- Place: Sunflower, AZ · SUNFLOWER, AZ
- Location: 33.8642° N, 111.4676° W: Placed by OpenAirDocs: center of Sunflower, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.8642&lon=-111.4676&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 1 uninjured
- Status: Completed, report November 30, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 188356
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX74DUJ26
- Page: https://openairdocs.org/ntsb/LAX74DUJ26

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3072  73/10/16   SUNFLOWER,ARIZ      HILLER ACFT FH1100  CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 1827
        TIME - 1220                    N436FH              PX-  0  0  2  CTR PASSG-D               TOTAL HOURS, 10 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SCOTTSDALE,ARIZ             RETURN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: POWER-ON LANDING
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           TERRAIN - OTHER
        REMARKS- ROTATED TO R. L SKID CTCD GRND. LDG ON MTN. RAIN GAUGE SURVEY.
```

## Aircraft

- Registration: N436FH (not matched to a registry record)
- Reported make and model: HILLER ACFT FH1100
- Category: Helicopter
- Engines: turbo shaft
- Damage: Destroyed

## 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 19731016033069A](https://openairdocs.org/incident/19731016033069A), Oct 16, 1973: Frchld 1100, Sunflower, AZ, Substantial damage. Rotated to r. l skid ctcd grnd. Ldg on mtn. Rain gauge survey.

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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