# NTSB OAK73DVG28: Hiller UH12L4, N90487, San Andreas, CA, October 9, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 9, 1972
- Place: San Andreas, CA · SAN ANDREAS, CA
- Location: 38.1927° N, 120.6732° W: Placed by OpenAirDocs: center of San Andreas, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.1927&lon=-120.6732&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report March 2, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 169065
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73DVG28
- Page: https://openairdocs.org/ntsb/OAK73DVG28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2897   72/10/9   SAN ANDREAS,CALIF   HILLER UH12L4       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 29, 3800
        TIME - 0630                    N90487              PX-  0  0  1  AIR TAXI-PASSG            TOTAL HOURS, 120 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - CALAVERAS COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          SAN ANDREAS,CALIF           KENNEDY MEADOWS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: BUILDING(S)                               TAXI: AERIAL TAXI TO/FROM LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
         FIRE AFTER IMPACT
        REMARKS- HIT STEEL SUPPORT BEAM
```

## 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: Substantial damage
- Airport: Calaveras County

## 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 LAX67A0051](https://openairdocs.org/ntsb/LAX67A0051), Nov 17, 1966: Hiller UH12L4 (N90487), Castaic, CA, destroyed

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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