CHI03LA278

NTSB accident investigation · Ayres S2R-G6 · Breckenridge, MI · August 19, 2003

Accident · FatalLimited investigationFinal report
Date
August 19, 2003, 07:55 local (11:55 UTC)
Place
Breckenridge, MI
Injuries
1 fatal
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N23EGAyres S2R-G6
Weather
Visual (VMC) · Day
Status
Completed · report July 29, 2004
Report
Approved by Office Director
Parties
FAA-Grand Rapids-FSDO
FAA report
20030819022729A
Case key
57752

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 pilot's failure to maintain clearance from the powerlines during the aerial application pass rendering the airplane uncontrollable. The powerlines were a factor.

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 objectManeuvering - aerial application
Clearance - not maintainedPilot in commandCause
Object - wire,transmissionFactor
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The airplane was destroyed when it impacted the terrain after striking a powerline during an aerial application flight. Witnesses reported seeing the airplane initiate a pass at the field being sprayed. The witnesses reported that airplane struck the bottom wire of a set of powerlines that ran through the field. The witnesses reported seeing a part of the airplane come off when the airplane hit the wire. A postaccident examination of the accident site revealed that the vertical stabilizer and rudder had been torn from the airplane. The vertical stabilizer and rudder were found near the powerlines. No pre-impact defects were found with respect to the airplane, it's engine, or systems.

Factual narrative

On August 19, 2003, at 0755 eastern daylight time, an Ayres S2R-G6, N23EG, piloted by a commercial pilot, was destroyed when it impacted the terrain after striking a powerline near Breckenridge, Michigan. The 14 CFR Part 137 aerial application flight was operating in visual meteorological conditions without a flight plan. The pilot was fatally injured. The flight originated from a private airstrip in Wheeler, Michigan, at 0715.

Witnesses reported seeing the airplane initiate a south to north pass at the field being sprayed. The witnesses reported that airplane struck the bottom wire of a set of powerlines that ran through the field. The witnesses reported seeing a part of the airplane come off when the airplane hit the wire.

A postaccident examination of the accident site revealed that the vertical stabilizer and rudder had been torn from the airplane. The vertical stabilizer and rudder were found near the powerlines. No pre-impact defects were found with respect to the airplane, it's engine, or systems.

The pilot of the airplane initially survived the accident, however, he perished while en-route to the hospital.

An autopsy was performed on behalf of the Saginaw County Medical Examiner's Office, on August 21, 2003.

A "Final Forensic Toxicology Fatal Accident Report" listed 0.091 ug/ml Chlorpheniramine detected in the blood. Chlorpheniramine is an over-the-counter sedating antihistamine commonly used for cold and allergy symptoms.

Aircraft

Registration
N23EG
Reported as
Ayres S2R-G6
Category
Airplane
Serial number
G6-135
Airframe hours
3,224
Engine
Airesearch TPE331-6, 750 horsepower, turbo prop
Damage
Destroyed
Flight
Aerial application · Part 137
Operator
Gorsuch, Earl M
Registered owner
Earls Spray Service, Inc.
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · October 1, 2002 · 343 hours before
Departed
PVT · Wheeler, MI

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
Commercial, Flight instructor
Airplane ratings
Single-engine land, Single-engine sea, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Last flight review
October 1, 2001
Seat
Center
Toxicology
Performed
Flight hours
10,150 total · 120 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
0° at 0 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
59 °F, dew point 55 °F
Altimeter
30.19 inHg
Observed at
MBS, 20 nm away

FAA reports on this event · 1

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