SEA04LA027

NTSB accident investigation · Erickson SHA Glasair TD · Vansycle, OR · December 15, 2003

Accident · FatalLimited investigationFinal report
Date
December 15, 2003, 14:16 local (22:16 UTC)
Place
Vansycle, OR
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Unknown
Aircraft
N434SWErickson SHA Glasair TD
Weather
Visual (VMC) · Day
Status
Completed · report September 29, 2004
Report
Approved by Office Director
Parties
FAA FSDO
FAA report
20031215033029A
Case key
58492

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The NTSB’s determination of the probable cause, and any contributing factors.

The pilot's failure to maintain adequate clearance with the anemometer pole/wires during low altitude flight. Contributing factors were the pole and the pilot's low altitude flight.

Analysis

The pilot and passenger departed Yakima destined for Walla Walla, Washington, and en route flew through an area of wind turbines and associated anemometer poles measuring 50 meters in height. An ear witness reported hearing an explosive sound and noted smoke in the direction of the sound. Upon investigating the sound, the witness discovered the aircraft ground impact site about 1000 feet east-northeast of a broken anemometer pole. Visual meteorological conditions existed at the accident site and the pilot had logged more than 11,200 hours of flight experience.

Factual narrative

The factual narrative545 words

On December 15, 2003, approximately 1416 Pacific standard time an Erickson SHA Glasair TD homebuilt aircraft, N434SW, registered to/operated by and being flown by an airline transport rated pilot was destroyed during collision with a pole/wires and subsequent ground impact during an unknown phase of operation approximately one nautical mile north of Vansycle, Oregon. The pilot and passenger both sustained fatal injuries. Visual meteorological conditions existed and no flight plan had been filed. The flight, which was personal, originated from Yakima, Washington, approximately 1345, and its destination was reported to be Walla Walla, Washington (refer to Chart I).

An ear witness reported hearing an explosive sound and noted smoke in the direction of the sound. Upon investigating the location he found the aircraft heavily fragmented at the ground impact site.

The aircraft was a single engine, homebuilt, composite, two-place plane with side-by-side seating (refer to Attachment G-I). Records maintained by the Federal Aviation Administration (FAA) showed the pilot/owner was issued a certificate of registration for the aircraft on July 31, 2000.

The pilot had been issued an airline transport certificate with a multi-engine land rating on May 31, 1985, including commercial privileges in aircraft single-engine land. Additionally, he held type ratings in the Boeing 737, Beech 1900 and Swearingen SA-227 aircraft. A single flight log in the pilot's name was reviewed and the total flight time between the first flight logged (10/06/1966) and the last flight logged (12/11/2003) was approximately 11,212 hours. According to records maintained by the FAA he reported a total of 16,150 hours of flight experience as of the medical examination conducted on April 23, 2003, at which time he was issued a third class medical. The medical contained a limitation that the pilot must wear corrective lenses. It was not known whether he was in compliance with this requirement at the time of the accident. Toxicological evaluation of samples from the pilot was reported as negative (refer to attached report). Post mortem examination of the pilot was conducted by R. Stefancik, M.D., at Munselle Rhodes Funeral Home, Milton-Freewater, Oregon, on December 17, 2003.

An inspector assigned to the FAA's Hillsboro Flight Standards District Office conducted the on site examination. The accident site was located within an area of wind turbines and an anemometer pole measuring 50 meters in height was observed to have the top portion separated and lying on the ground near wing fragments, with the aircraft approximately 1,000 feet further east-northeast and the occupants thrown clear (refer to Chart II and photographs 1 through 6). A post crash fire consumed most of the aircraft. There were no known eyewitnesses to the accident.

The power company managing the wind turbine farm reported that Met tower number 132 stopped reporting wind information from its top anemometer approximately 1416 (refer to Attachment PC-I). The latitude and longitude of the tower was reported as 45 degrees 58.237 minutes North and 118 degrees 43.529 minutes West respectively. The FAA inspector reported the latitude and longitude of the ground impact site as 45 degrees 58.228 minutes North and 118 degrees 43.296 minutes West respectively (refer to Chart III).

Aircraft logs and records as well as the pilot's logbook and associated paperwork were returned to the aircraft's co-owner via two-day Federal Express on June 8, 2004.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

In flight collision with objectUnknown
Clearance - not maintainedPilot in commandCause
Object - poleFactor
Altitude - lowPilot in commandFactor
Loss of control - in flightUnknown
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Aircraft

Registration
N434SW
Reported as
Erickson SHA Glasair TD
Category
Airplane, amateur-built
Serial number
434
Airframe hours
1,135
Engine
Lycoming O-320-E3D, 150 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Erickson, Verdie B.
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · April 11, 2003 · 60 hours before
Departed
YKM · Yakima, WA
Destination
ALW · Walla Walla, WA

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
58
Injuries
Fatal
Certificates
Airline transport, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--w/ waivers/lim
Last flight review
January 5, 2003
Seat
Left
Toxicology
Performed
Flight hours
11,212 total

Weather

Conditions
Visual (VMC) · Day
Wind
140° at 10 knots
Visibility
10 statute miles
Temperature
45 °F, dew point 28 °F
Altimeter
30.29 inHg
Observed at
PDT, 17 nm away

Docket · 11

The files NTSB released with the investigation on August 12, 2004, on NTSB’s docket system: statements, records, photos and specialists’ reports. 10.6 MB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.