# Accident 19810720043379A: Hiller UH12E, Glyndon, MN, July 20, 1981

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 20, 1981, 12:45 local time
- Place: Glyndon, MN
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Operating rules: Agricultural (Part 137)
- Location: 46.8710° N, 96.5784° W: Placed by OpenAirDocs: center of Glyndon, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.8710&lon=-96.5784&mi=10
- Aircraft: N5594N, a cancelled registration (https://openairdocs.org/deregistered/N5594N-1989-07-27) (OpenAirDocs)
- Registry model: Hiller UH-12E (registry code 4360122, https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Fatal injuries: 0
- Pilot flight hours: 9,030 total, 286 in this make and model, 465 in the last 90 days
- NTSB investigation: [NTSB CHI81FER59](https://openairdocs.org/ntsb/CHI81FER59) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19810720043379A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ENGINE QUIT DURING SPRAY RUN. HARD, FORCED LANDING CUT OFF TAIL BOOM. FOUND WATER IN FUEL AND FUEL TRUCK.

## The NTSB's investigation of this event (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 CHI81FER59](https://openairdocs.org/ntsb/CHI81FER59), Jul 20, 1981: Hiller Acft UH-12E (N5594N), Glyndon, MN, substantial damage

## Other reports on N5594N (3)

Matched to the same aircraft by N-number and date.

- [Accident 19890513011389A](https://openairdocs.org/incident/19890513011389A), May 13, 1989: Hiller UH12E (N5594N), Mack, CO, Substantial damage. Skids caught in alfalfa while spraying. Helicopter tumbled and crashed.
- [Accident 19820810036689A](https://openairdocs.org/incident/19820810036689A), Aug 10, 1982: Hiller UH12E (N5594N), Palisade, MN, Substantial damage. Engine quit during spray run. Hard landing chopped off tail boom. Broken connecting rod found to be under torqued.
- [Accident 19801003050129A](https://openairdocs.org/incident/19801003050129A), Oct 3, 1980: Hiller UH12E (N5594N), Argusville, ND, Substantial damage. Pilot attempted emergency landing after main rotor clutch failed. Touched down on soft ground.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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