# NTSB DEN66A0004: Hiller UH-12E, N5343V, Meeteetse, WY, July 7, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 7, 1965
- Place: Meeteetse, WY · MEETEETSE, WY
- Location: 44.1491° N, 108.8628° W: Placed by OpenAirDocs: center of Meeteetse, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.1491&lon=-108.8628&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 11, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177206
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN66A0004
- Page: https://openairdocs.org/ntsb/DEN66A0004

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0491   65/7/7  NR.MEETEETSE WYO      HILLER UH-12E       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 1374
        TIME - 0730                    N5343V              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 375 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: SWATH RUN
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           ROTORCRAFT - FLIGHT CONTROL SYSTEMS: CYCLIC PITCH CONTROL SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
           MISCELLANEOUS ACTS,CONDITIONS - ELONGATED
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  LATERAL CONTROL PROBLEM
                                  DIRECTIONAL CONTROL PROBLEM
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   35                       KIND OF OPERATION - OTHER
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - NOT AVAILABLE
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -MOUNTAINOUS
          ELEVATION-AREA BEING TREATED-FEET -  7400                SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
         FIRE AFTER IMPACT
        REMARKS- BOLT HOLDING WOBBLE PLATE PYLON NOT PROPERLY SECURED ALLOWED PLATE TO FAIL IN FATIGUE
```

## Aircraft

- Registration: [N5343V](https://openairdocs.org/deregistered/N5343V-2024-02-22), registration cancelled 2024-02-22, S/N 2016, built 1959 (OpenAirDocs)
- Reported make and model: HILLER UH-12E
- 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: Destroyed

## Other investigations on N5343V (1)

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 DEN81DTG03](https://openairdocs.org/ntsb/DEN81DTG03-201169), Nov 21, 1980: Hiller Acft UH-12E (N5343V), Watford City, ND, 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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