# NTSB MIA65A0094: Hiller UH12E, N5363V, San Sebastian, PR, March 26, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 26, 1965
- Place: San Sebastian, PR · SAN SEBASTIAN, PR
- Location: 18.3355° N, 66.9948° W: Placed by OpenAirDocs: center of San Sebastián, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.3355&lon=-66.9948&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report May 13, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179803
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA65A0094
- Page: https://openairdocs.org/ntsb/MIA65A0094

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0117  65/3/26    SAN SEBASTIAN PR    HILLER UH12E        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 33, 4490
        TIME - 1000                    N5363V              PX-  0  0  0  FIRE CONTROL              TOTAL HOURS, 450 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: OTHER
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
          PILOT- FAILED TO USE ENOUGH OBSTR CLEARNE FOR COND
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           WEATHER - DOWNDRAFT,UPDRAFTS
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  DIRECTIONAL CONTROL PROBLEM
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              OBSTRUCTIONS TO VISION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           83                                                       90
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- NATURAL TURB INCREASED BY FIRE CONVECTION EFFECT
```

## Aircraft

- Registration: [N5363V](https://openairdocs.org/aircraft/N5363V), registered now, S/N 2049, built 1960 (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (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

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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