# NTSB UNK64X2294: Hiller 12E, N5341V, Jacob Lake, AZ, June 14, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 14, 1964
- Place: Jacob Lake, AZ · JACOB LAKE, AZ
- Location: 36.7133° N, 112.2163° W: Placed by OpenAirDocs: center of Jacob Lake, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.7133&lon=-112.2163&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report September 2, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 183554
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2294
- Page: https://openairdocs.org/ntsb/UNK64X2294

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0301  64/6/14    JACOB LAKE ARIZ     HILLER 12E          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1255                    N5341V              PX-  0  0  1  CTR PASSG-D               AGE 52, 19000 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 2000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN ADEQUATE ROTOR R.P.M.
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           WEATHER - UNFAVORABLE WIND CONDITIONS
           WEATHER - HIGH DENSITY ALTITUDE
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N5341V](https://openairdocs.org/deregistered/N5341V-1969-04-21), registration cancelled 1969-04-21, S/N 2013 (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

## Other investigations on N5341V (3)

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 LAX68A0047](https://openairdocs.org/ntsb/LAX68A0047), Mar 8, 1967: Hiller UH-12E (N5341V), Peach Sprngs, AZ, substantial damage
- [NTSB ANC67A0020](https://openairdocs.org/ntsb/ANC67A0020), Aug 19, 1966: Hiller UH-12E (N5341V), Dillingham, AK, substantial damage
- [NTSB SEA66A0013](https://openairdocs.org/ntsb/SEA66A0013), Aug 16, 1965: Hiller UH12E (N5341V), Crowley, OR, 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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