CHI05CA183

NTSB accident investigation · Rockwell S-2R · Guelph, ND · July 12, 2005

Accident · Serious injuriesData collectionFinal report
Date
July 12, 2005, 17:30 local (22:30 UTC)
Place
Guelph, ND
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N4232XRockwell S-2R
Weather
Visual (VMC) · Day
Status
Completed · report October 27, 2005
Report
Approved by Office Director
Parties
FAA-Fargo FSDO
FAA report
20050712022859A
Case key
62020

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 to the guy wire during the agricultural application pass. Contributing factors were the guy wire, and low altitude flight.

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 - guy wireFactor
Low altitude flight/maneuverPilot in commandFactor
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - ground

Analysis

The airplane was substantially damaged when it struck a guy wire during an agricultural application pass. The pilot reported that prior to the application passes, he circled the field 3 times, "checking for obstructions and assessing the safest manner to complete this application." He noted that he observed power lines running along the north end of the field and he decided to fly parallel to the lines. He stated that during the last pass of the field, adjacent to the power lines, he did not see the guy wire attached to the second to last set of power line poles. He reported that the right wing struck the guy wire, severing about 4 feet of the wing. He noted that the airplane "jerked" to the right and pitched upward. He reported: "At this point I was underneath the wires, [sliding] sideways through the air. I fought to get the nose level. Then the nose pitched down and I [impacted] into the slough in about 3 feet of water."

Factual narrative

On July 12, 2005, at 1730 central daylight time, a Rockwell S-2R, N4232X, piloted by a commercial pilot, was substantially damaged when it struck a guy wire while completing an agricultural application pass near Guelph, North Dakota. The flight was operating under 14 CFR Part 137 without a flight plan. Visual meteorological conditions prevailed at the time. The pilot sustained serious injuries. The local agricultural application flight departed Oakes Municipal Airport (2D5), Oakes, North Dakota, approximately 1645.

In his written statement, the pilot reported that prior to the application passes he circled the field 3 times "checking for obstructions." He noted that he observed power lines running along the north end of the field and he decided to fly parallel to the lines. He stated that during the last pass of the field, adjacent to the power lines, he did not see the guy wire attached to the second to last set of power line poles. He reported that the right wing struck the guy wire, severing about 4 feet of the wing. He noted that the airplane "jerked" to the right and pitched upward. He reported: "At this point I was underneath the wires, [sliding] sideways through the air. I fought to get the nose level. Then the nose pitched down and I [impacted] into the slough in about 3 feet of water."

The pilot stated that there were no problems with the airplane prior to the accident. He also reported clear skies and "unlimited" visibility at the time of the accident.

Aircraft

Registration
N4232X
Reported as
Rockwell S-2R
Category
Airplane
Serial number
2000R
Airframe hours
8,144
Engine
Garrett TPE331-6-252M, 715 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · January 1, 2005 · 163 hours before
Departed
2D5 · Oakes, ND
Airport
2D5 · Oakes Municipal

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
54
Injuries
Serious
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, With waivers/limitations
Last flight review
May 1, 2005
Seat
Single
Flight hours
6,208 total · 3,347 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
50° at 9 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 61 °F
Altimeter
30.13 inHg
Observed at
ABR, 46 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.

Other investigations on N4232X · 1

Matched to the same aircraft by N-number and date.