# NTSB DEN67A0079: Hiller UH-12E, N90474, Lovell, WY, June 10, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 10, 1967
- Place: Lovell, WY · LOVELL, WY
- Location: 44.8358° N, 108.3919° W: Placed by OpenAirDocs: center of Lovell, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.8358&lon=-108.3919&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 19, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 116836
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN67A0079
- Page: https://openairdocs.org/ntsb/DEN67A0079

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0394  67/6/10    LOVELL WYO          HILLER UH-12E       CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 6000
        TIME - 0830                    N90474              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 475 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - INATTENTIVE TO FUEL SUPPLY
        FACTOR(S)
           POWERPLANT - POWERPLANT-INSTRUMENTS: FUEL QUANTITY GAUGE
           MISCELLANEOUS ACTS,CONDITIONS - ERRATIC
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  600                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - SAGE                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - SIDES                             TERRAIN-TYPE -MOUNTAINOUS
          ELEVATION-AREA BEING TREATED-FEET -  8000                SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
        REMARKS- FUEL GAUGE ALONE WAS USED TO DETERMINE FUEL AVAILABLE.IT HAD REPORTEDLY BEEN RELIABLE IN THE PAST.
```

## Aircraft

- Registration: [N90474](https://openairdocs.org/deregistered/N90474-1981-10-16), registration cancelled 1981-10-16, S/N 2365 (OpenAirDocs)
- Reported make and model: HILLER UH-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 N90474 (4)

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 LAX80DJA10](https://openairdocs.org/ntsb/LAX80DJA10), Feb 17, 1980: Hiller 12E (N90474), Kealia Kauai, HI, destroyed
- [NTSB OAK75FJA06](https://openairdocs.org/ntsb/OAK75FJA06), Dec 3, 1974: Hiller Acft UH-12E (N90474), Kapaau, HI, destroyed
- [NTSB OAK74FJA22](https://openairdocs.org/ntsb/OAK74FJA22), May 17, 1974: Hiller Acft UH-12E (N90474), Ewa Beach, HI, substantial damage
- [NTSB OAK73FJA16](https://openairdocs.org/ntsb/OAK73FJA16), Mar 13, 1973: Hiller Acft UH-12E (N90474), Naalehu, HI, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.