# Accident 19870403008309A: Hiller UH12E, Big Lake, MN, April 3, 1987

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 3, 1987, 15:40 local time
- Place: Big Lake, MN
- Damage: Substantial damage
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 45.3298° N, 93.7402° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=45.3298&lon=-93.7402&mi=10
- Aircraft: N135HA, a cancelled registration (https://openairdocs.org/deregistered/N135HA-1995-09-26) (OpenAirDocs)
- Registry model: Hiller UH-12E (registry code 4360122, https://openairdocs.org/model/hiller-uh-12e) (OpenAirDocs)
- Reported make and model: HILLER UH12E
- Reported engine: ALLSN 250C20B
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 2,400 total, 530 in this make and model, 3 in the last 90 days
- NTSB investigation: [NTSB CHI87DER03](https://openairdocs.org/ntsb/CHI87DER03) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19870403008309A

## Narrative

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

THE ENGINE QUIT AFTER LIFTOFF. THE HELICOPTER ROLLED OVER ON LANDING. A WHITE, MILKY SUBSTANCE FOUND IN THE FUEL.

## 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 CHI87DER03](https://openairdocs.org/ntsb/CHI87DER03), Apr 3, 1987: Hiller UH-12ET (N135HA), Big Lake, MN, substantial damage

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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