# Accident 19920409010029A: Hughes 369C, Pacific Ocean, HI, April 9, 1992

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: April 9, 1992, 17:00 local time
- Place: Pacific Ocean, HI
- Damage: Substantial damage
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Aircraft: N8311F (not matched to a registry record)
- Reported make and model: HUGHES 369C
- Reported engine: ALLSN 250C20
- Fatal injuries: 0
- NTSB investigation: [NTSB LAX92LA175](https://openairdocs.org/ntsb/LAX92LA175) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920409010029A

## Narrative

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

AT TOUCHDOWN ON HELIPAD THE ENTIRE ROTOR SYSTEM SEPARATED FROM HELICOPTER WITH A LOUD BANG. ROTOR MAST FAILED.

## 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 LAX92LA175](https://openairdocs.org/ntsb/LAX92LA175), Apr 10, 1992: Hughes 369C (N8311F), Pacific Ocean (Pacific Ocean), substantial damage. Probable cause: AN UNDETERMINED FAILURE IN THE ROTOR SYSTEM.

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.