# NTSB UNK64X2135: Hiller UH12C, N5326V, San Bernardino, CA, June 5, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 5, 1964
- Place: San Bernardino, CA · SAN BERNARDINO, CA
- Location: 34.1083° N, 117.2898° W: Placed by OpenAirDocs: center of San Bernardino, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.1083&lon=-117.2898&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report February 4, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 183525
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2135
- Page: https://openairdocs.org/ntsb/UNK64X2135

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0241   64/6/5    SAN BERNARDINO CA   HILLER UH12C        CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 321
        TIME - 1500                    N5326V              PX-  0  0  1  PRACTICE                  TOTAL HOURS, 10 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SAN BERNARDINO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
```

## Aircraft

- Registration: [N5326V](https://openairdocs.org/aircraft/N5326V), registered now, S/N 865, built 1956 (OpenAirDocs)
- Reported make and model: HILLER UH12C
- Registry model: [Hiller UH-12C](https://openairdocs.org/model/hiller-uh-12c) (registry code 4360116) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: San Bernardino

## Other investigations on N5326V (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 LAX69D0317](https://openairdocs.org/ntsb/LAX69D0317), Feb 13, 1969: Hiller UH-12C (N5326V), Compton, 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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