# NTSB OAK72DVA86: Hiller UH12L4, N5371V, Porterville, CA, June 28, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 28, 1972
- Place: Porterville, CA · PORTERVILLE, CA
- Location: 36.0635° N, 119.0336° W: Placed by OpenAirDocs: center of Porterville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.0635&lon=-119.0336&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report February 27, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167308
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72DVA86
- Page: https://openairdocs.org/ntsb/OAK72DVA86

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2445  72/6/28    PORTERVILLE,CALIF   HILLER UH12L4       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 1660
        TIME - 0800                    N5371V              PX-  0  0  2  AIR TAXI-PASSG            TOTAL HOURS, 50 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            UNK/NR INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          PEPPERMINT HELIPORT         JORDON PEAK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               LANDING: POWER-ON LANDING
           ROLL OVER                                                LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           WEATHER - DOWNDRAFT,UPDRAFTS
           PERSONNEL - MISCELLANEOUS-PERSONNEL: OTHER
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- PHONE WIRES STRUNG HAZARDOUSLY ON HELIPAD
```

## Aircraft

- Registration: N5371V (not matched to a registry record)
- Reported make and model: HILLER UH12L4
- Category: Helicopter
- Engines: reciprocating
- Damage: 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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