# NTSB Accident SEA91LA023
> **HUGHES 369D** · 1990-11-26 · MULINA, OR, USA · NONE
## Event
- **NTSB number:** SEA91LA023
- **Event ID:** 20001212X24707
- **Type:** Accident
- **Date:** 1990-11-26
- **Location:** MULINA, OR, USA
- **Coordinates:** 45.199226, -122.54071
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** HUGHES
- **Model:** 369D
- **Registration:** N1106Z
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IN-FLIGHT COLLISION WITH A REBOUNDING LONG-LINE, WHICH CAUSED MAIN-ROTOR RPM DECAY AND TAIL-BOOM SEPARATION, COMPROMISING THE PILOT'S ABILITY TO SUCCESSFULLY ACCOMPLISH AN ATTEMPTED AUTOROTATION.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA91LA023) · AI Analytics · CC0 1.0*