# Accident 19770502010949A: Hiller UH12E, Big Lake, MN, May 2, 1977

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: May 2, 1977
- Place: Big Lake, MN
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Location: 45.3424° N, 93.7430° W: Placed by OpenAirDocs: center of Big Lake, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.3424&lon=-93.7430&mi=10
- Aircraft: N155HA, a cancelled registration (https://openairdocs.org/deregistered/N155HA-1982-10-02) (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: 3,170 total, 24 in this make and model, 24 in the last 90 days
- NTSB investigation: [NTSB MKC77FER39](https://openairdocs.org/ntsb/MKC77FER39) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19770502010949A

## Narrative

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

No narrative was filed.

## 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 MKC77FER39](https://openairdocs.org/ntsb/MKC77FER39), May 2, 1977: Hiller Acft UH-12E (N155HA), Big Lake, MN, substantial damage

## Other reports on N155HA (2)

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

- [Accident 19800223003989A](https://openairdocs.org/incident/19800223003989A), Feb 23, 1980: Hiller UH12E (N155HA), Waimea, HI, Destroyed. Helicopter rotors hit wires while spraying a ditch. Hit ground. Rolled over. Burned.
- [Accident 19790523014389A](https://openairdocs.org/incident/19790523014389A), May 23, 1979: Hiller UH12E (N155HA), Lihue, HI, Substantial damage. Struck wires during ag spray run.

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.

---
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.
