# Accident 19730717038859A: Hiller UH12L4, Juneau, AK, July 17, 1973

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 17, 1973
- Place: Juneau, AK
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Location: 58.3019° N, 134.4197° W: Placed by OpenAirDocs: center of Juneau, AK, within about 29 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=58.3019&lon=-134.4197&mi=10
- Aircraft: N90470, a cancelled registration (https://openairdocs.org/deregistered/N90470-1976-12-15) (OpenAirDocs)
- Registry model: Hiller UH-12E4 (registry code 4360127, https://openairdocs.org/model/hiller-uh-12e4) (OpenAirDocs)
- Registry engine: Lycoming VO-540 series (registry code 41534, https://openairdocs.org/engine/lycoming-vo-540-series) (OpenAirDocs)
- Reported make and model: HILLER UH12L4
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 2,426 total, 840 in this make and model, 260 in the last 90 days
- NTSB investigation: [NTSB ANC74AA009](https://openairdocs.org/ntsb/ANC74AA009) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19730717038859A

## Narrative

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

TORSIONAL COUPLING HOUSING FAILED,ORIGIN UNDET.

## 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 ANC74AA009](https://openairdocs.org/ntsb/ANC74AA009), Jul 17, 1973: Hiller Acft UH12L4 (N90470), Juneau, AK, 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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