# NTSB OAK67A0011: Hiller UH-12E, N9759C, Kahului, HI, July 20, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 20, 1966
- Place: Kahului, HI · KAHULUI, HI
- Location: 20.8587° N, 156.4684° W: Placed by OpenAirDocs: center of Kahului, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=20.8587&lon=-156.4684&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 29, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 122421
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK67A0011
- Page: https://openairdocs.org/ntsb/OAK67A0011

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0673  66/7/20  NR.KAHULUI HAWAII     HILLER UH-12E       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 9180
        TIME - 0945                    N9759C              PX-  0  0  0  CTR PASSG-D               TOTAL HOURS, 78 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: TAIL ROTOR                      LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
          PERSONNEL-GRND CREW DID NOT PROPRLY CLEAR LDG AREA
           MISCELLANEOUS - FOREIGN OBJECT DAMAGE
        FACTOR(S)
           TERRAIN - HIGH VEGETATION
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  DIRECTIONAL CONTROL PROBLEM
        REMARKS- DRY LOG ON HELISPOT WAS SUCKED INTO TAIL ROTOR.
```

## Aircraft

- Registration: [N9759C](https://openairdocs.org/deregistered/N9759C-2013-05-30), registration cancelled 2013-05-30, S/N 2161, built 1962 (OpenAirDocs)
- Reported make and model: HILLER UH-12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N9759C (2)

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 CHI78FEK27](https://openairdocs.org/ntsb/CHI78FEK27), Aug 25, 1978: Hiller UH12E (N9759C), Findlay, OH, substantial damage
- [NTSB ANC72DAG11](https://openairdocs.org/ntsb/ANC72DAG11), Jul 20, 1971: Hiller 12-E4 (N9759C), Chitina, AK, substantial damage

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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