# NTSB Accident SEA05LA133
> **Aero Vodochody Aero. Works L-39C** · 2004-10-19 · Hyak, WA, USA · FATL
## Event
- **NTSB number:** SEA05LA133
- **Event ID:** 20050801X01133
- **Type:** Accident
- **Date:** 2004-10-19
- **Location:** Hyak, WA, USA
- **Coordinates:** 47.384723, -121.270278
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Aero Vodochody Aero. Works
- **Model:** L-39C
- **Registration:** N39TJ
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** IMC
## Probable cause

The loss of aircraft control during climb to cruise due to an undetermined flight control malfunction.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA05LA133) · AI Analytics · CC0 1.0*