# Accident 20041019027699A: Aerovd L39C, Hayk, WA, October 19, 2004

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: October 19, 2004, 11:58 local time
- Place: Hayk, WA
- Damage: Substantial damage
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 47.3847° N, 121.2703° W: From the FAA
- Nearby events: https://openairdocs.org/map.md?lat=47.3847&lon=-121.2703&mi=10
- Aircraft: N39TJ, a cancelled registration (https://openairdocs.org/deregistered/N39TJ-2017-04-04) (OpenAirDocs)
- Registry model: Aero Vodochody L39C (registry code 05620RN, https://openairdocs.org/model/aero-vodochody-l39c) (OpenAirDocs)
- Registry engine: Amateur-built UNKNOWN ENG (registry code 99999, https://openairdocs.org/engine/amateur-built-unknown-eng) (OpenAirDocs)
- Reported make and model: AEROVD L39C
- People aboard: 2
- Fatal injuries: 2
- NTSB investigation: [NTSB SEA05LA133](https://openairdocs.org/ntsb/SEA05LA133) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20041019027699A

## Narrative

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

(-23) THE AIRCRAFT WAS IFR ENROUTE SEATTLE BOEING FIELD, WA TO LEWISTON, ID AT THE SEA072041, PILOT REPORTED CONTROL PROBLEMS THEN STATED "EMERGENCY, EMERGENCY, OUT OF CONTROL, OUT OF CONTROL". THE AIRCRAFT IS MISSING. (-23 AMENDMENT) ON OCTOBER 19, 2004, AT 11:58 PACIFIC DAYLIGHT TIME, RADIO AND RADAR CONTACT WAS LOST WITH AN AERO VODOCHODY L-39C, N39TJ, ABOUT SEVEN MILES EAST OF HYAK, WASHINGTON. THE 14 CFR PART 91 PERSONAL PLEASURE FLIGHT AIRCRAFT DEPARTED BOEING FIELD (BFI) ENROUTE TO LEWISTON AIRPORT (LWS). THE AIRCRAFT WAS IN AN AREA OF REPORTED INSTRUMENT METEOROLOGICAL CONDITIONS (IMC) AND THE PILOT HAD ACTIVATED HIS PREVIOUSLY FILED INSTRUMENT FLIGHT RULES (IFR) FLIGHT PLAN. THE PILOT REPORTED CONTROL PROBLEMS PRIOR TO LOSS OF RADIO CONTACT. NO ELT SIGNAL HAD BEEN DETECTED IN THE AREA WHERE RADAR CONTACT WAS LOST. THE SEARCH FOR THE AIRCRAFT WAS CALLED OFF ON OCTOBER 25, 2004. ON JUNE 26, 2005, THE WRECKAGE WAS LOCATED AND THE FAA INVESTIGATED. THE IMPACT AREA WAS ABOUT EIGHT FEET DEEP, INDICATING THE AIRCRAFT IMPACTED THE GROUND AT A HIGH RATE OF SPEED. THE AIRCRAFT WAS IN SMALL PIECES NONE LARGER THAN THREE FEET BY THREE FEET. THE WINGS WERE FOUND NEAR THE IMPACT A      REA. THE ENGINE APPEARED TO HAVE BEEN RUNNING AT THE TIME OF IMPACT.

## 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 SEA05LA133](https://openairdocs.org/ntsb/SEA05LA133), Oct 19, 2004: Aero Vodochody Aero. Works L-39C (N39TJ), Hyak, WA, destroyed, 2 fatal. Probable cause: The loss of aircraft control during climb to cruise due to an undetermined flight control malfunction.

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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