# NTSB UNK64X2721: Hiller 12E, N5386V, San Juan, PR, July 8, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 8, 1964
- Place: San Juan, PR · SAN JUAN, PR
- Location: 18.4663° N, 66.1057° W: Placed by OpenAirDocs: center of San Juan, PR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=18.4663&lon=-66.1057&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 23, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183685
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2721
- Page: https://openairdocs.org/ntsb/UNK64X2721

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0541   64/7/8    SAN JUAN PR         HILLER 12E          CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 0915                    N5386V              PX-  0  0  1  PRACTICE                  39, 12000 TOTAL HOURS, 75
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SAN JUAN INTNL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
```

## Aircraft

- Registration: [N5386V](https://openairdocs.org/deregistered/N5386V-1976-02-24), registration cancelled 1976-02-24, S/N 2092 (OpenAirDocs)
- Reported make and model: HILLER 12E
- Registry model: [Hiller UH-12E](https://openairdocs.org/model/hiller-uh-12e) (registry code 4360122) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: San Juan Intnl

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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