# NTSB DEN82FTM04: Hiller UH12C, N6417V, Logan, UT, November 16, 1981

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: November 16, 1981
- Place: Logan, UT · LOGAN, UT
- Location: 41.7401° N, 111.8438° W: Placed by OpenAirDocs: center of Logan, UT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7401&lon=-111.8438&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report December 4, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123060
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN82FTM04
- Page: https://openairdocs.org/ntsb/DEN82FTM04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3256  81/11/16   LOGAN,UT            HILLER UH12C        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1648                    N6417V              PX-  0  0  0  TRAINING                  AGE 46, 5000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2 IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LOGAN CACHE CO
        DEPARTURE POINT             INTENDED DESTINATION
          LOGAN,UT                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: VERTICAL
           ROLL OVER                                                LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - MISCALCULATED FUEL CONSUMPTION
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
```

## Aircraft

- Registration: [N6417V](https://openairdocs.org/aircraft/N6417V), registered now, S/N 417, built 1952 (OpenAirDocs)
- Reported make and model: HILLER UH12C
- Registry model: [Hiller UH-12B](https://openairdocs.org/model/hiller-uh-12b) (registry code 4360110) (OpenAirDocs)
- Registry engine: [Franklin 6VS-335 series](https://openairdocs.org/engine/franklin-6vs-335-series) (registry code 27040, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: Logan Cache Co

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19811116073989A](https://openairdocs.org/incident/19811116073989A), Nov 16, 1981: Hiller UH12C, Logan, UT, Substantial damage. Helicopter crashed after takeoff due to fuel exhaustion.

## Other investigations on N6417V (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 FTW94LA147](https://openairdocs.org/ntsb/FTW94LA147), May 8, 1994: Hiller UH-12B (N6417V), Crystal Beach, TX, substantial damage. Probable cause: THE PILOT'S IMPROPER AUTOROTATION TOUCHDOWN, WHICH RSULTED IN THE HARD LANDING. A FACTOR WAS THE POWER LOSS DUE TO WATER CONTAMINATED FUEL.
- [NTSB LAX77DVA16](https://openairdocs.org/ntsb/LAX77DVA16), Jan 15, 1977: Hiller Acft UH-12C (N6417V), Terra Bella, CA, substantial damage
- [NTSB OAK65A0068](https://openairdocs.org/ntsb/OAK65A0068), May 26, 1965: Hiller UH12B (N6417V), Porterville, CA, destroyed

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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