# NTSB Accident SEA90LA023
> **HUGHES 369D** · 1989-11-29 · STAYTON, OR, USA · NONE
## Event
- **NTSB number:** SEA90LA023
- **Event ID:** 20001213X29889
- **Type:** Accident
- **Date:** 1989-11-29
- **Location:** STAYTON, OR, USA
- **Coordinates:** 44.809211, -122.719383
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** HUGHES
- **Model:** 369D
- **Registration:** N446TN
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

THE MAINTENANCE PERSONNEL FAILED TO RECORD THE PREVIOUS FLIGHT TIME FOR THE OVERRUNNING CLUTCH ON AIRWORTHINESS CERTIFICATION DOCUMENTS WHEN THE ASSEMBLY WAS OVERHAULED. ALSO, CAUSAL TO THE ACCIDENT WAS THE OPERATION OF THE AIRCRAFT BY THE OPERATOR FOR 175 HOURS AFTER MANDATORY RETIREMENT TIME FOR THE SPRAGUE ASSEMBLY.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA90LA023) · AI Analytics · CC0 1.0*