# NTSB LAX67A0051: Hiller UH12L4, N90487, Castaic, CA, November 17, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 17, 1966
- Place: Castaic, CA · CASTAIC, CA
- Location: 34.4774° N, 118.6327° W: Placed by OpenAirDocs: center of Castaic, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.4774&lon=-118.6327&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report May 24, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 120047
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX67A0051
- Page: https://openairdocs.org/ntsb/LAX67A0051

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-1036  66/11/17 NR.CASTAIC CALIF      HILLER UH12L4       CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1330                    N90487              PX-  0  0  3  AIR TAXI-PASSG            AGE 23, 446 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            12 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        REMARKS- SMALL HELO PAD ON MOUNTAIN. TRANSPORTING NEWSMEN TO CRASH SITE OF HELICOPTER N5350V.NEAR MAX WT.
```

## Aircraft

- Registration: [N90487](https://openairdocs.org/aircraft/N90487), registered now, S/N 2533, built 1966 (OpenAirDocs)
- Reported make and model: HILLER UH12L4
- Registry model: [Hiller UH-12L4](https://openairdocs.org/model/hiller-uh-12l4) (registry code 4360128) (OpenAirDocs)
- Registry engine: [Lycoming VO-540 series](https://openairdocs.org/engine/lycoming-vo-540-series) (registry code 41534, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Destroyed

## Other investigations on N90487 (1)

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 OAK73DVG28](https://openairdocs.org/ntsb/OAK73DVG28), Oct 9, 1972: Hiller UH12L4 (N90487), San Andreas, CA, 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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