CEN13LA520

NTSB accident investigation · Piper PA-25-235 · Boonville, MO · June 30, 2013

Accident · No injuriesLimited investigationFinal report
Date
June 30, 2013, 09:00 local (14:00 UTC)
Place
Boonville, MO
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N7064ZPiper PA-25-235
Defining event
Landing-landing roll: Runway excursion
Weather
Visual (VMC) · Day
Status
Completed · report March 24, 2014
Report
Approved by Office Director
NTSB office
Central Region
Parties
Federal Aviation Administration
Case key
87947

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

On this page

Probable cause

The pilot’s failure to maintain directional control of the airplane during landing on a gravel road.

Findings · 5

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotPiper PA-25-235: 18 casesAll aircraft: 9,295 casesProbable cause
Object/animal/substanceEnvironmental issues › Physical environment · Contributed to outcomePiper PA-25-235: 2 casesAll aircraft: 224 cases
Terrain: rough terrainEnvironmental issues › Physical environment · Contributed to outcomePiper PA-25-235: 2 casesAll aircraft: 442 cases
Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedPiper PA-25-235: 3 casesAll aircraft: 3,958 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

While flying, the pilot was looking for a suitable location to load the airplane for agricultural operations (the previously agreed upon location was not accessible). He was texting the ground crew to figure out options. After doing so, he made several low passes to better evaluate the road upon which he planned to land, to evaluate the wing tip clearance from the corn, and to attempt to signal the ground crew of the location change because cellular service was sporadic. The pilot stated that he made the low passes with full flaps and that he also evaluated the wing tip clearance from the corn. After the last pass and during the landing roll, he looked right to ensure that the wing would clear the corn. The airplane then veered left 180 degrees, rolled backward, and impacted terrain. The pilot reported no mechanical malfunctions or failures that would have caused the loss of directional control during the landing.

Factual narrative

On June 30, 2013, about 0900 central daylight time, a Piper PA-25-235 airplane, N7064Z, impacted high vegetation and terrain during a landing on a road near Boonville, Missouri. The commercial pilot, who was the sole occupant, was uninjured. The airplane sustained substantial wing and fuselage damage. The airplane was registered to co-owning individuals and was operated by Plane Cents Aviation LLC under the provisions of 14 Code of Federal Regulations Part 137 as an aerial application flight. Day visual flight rules (VFR) conditions prevailed for the flight, which did not operate on a VFR flight plan. The local flight originated about 0850, from the Jesse Viertel Memorial Airport (VER), near Boonville, Missouri. According to the pilot's accident report, he was flying the airplane to a designated road near the field to be fertilized. The original road was unavailable and the pilot found a "north/south gravel road" he thought was a "suitable location for operations." He sent a text message and made low passes to advise the ground crew of the change in location. The pilot stated that he also evaluated the wing tip clearance to clear the corn during the low passes. During rollout, he looked right to ensure that the wing would clear the corn. He said that he felt the airplane "veer left 180 degrees and roll backwards into the corn, coming to a quick stop." The pilot reported that he deplaned and subsequently saw a small berm between the road and the crops, which the airplane "evidently hit as it was turning." The airplane sustained substantial wing and fuselage damage on impact with the berm and corn. According to the attorney representing the pilot, they were not aware of any mechanical malfunction or failure that would have caused the loss of directional control during the landing. At 0835, the recorded wind at VER was 320 degrees at 7 knots.

Aircraft

Registration
N7064Z
Reported as
Piper PA-25-235
Category
Airplane
Serial number
25-2844
Airframe hours
9,583
Engine
Lycoming O-540-B2B5, 235 horsepower, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Plane Cents Aviation LLC
Registered owner
Kiman & Kaland Kingsley
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · March 5, 2013
Departed
Boonville, MO
Destination
Boonville, MO

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
53
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, With waivers/limitations
Seat
Single
Restraint
3-point
Flight hours
1,921 total · 1,196 in this make and model · 1,831 as pilot in command · 306 in the last 90 days · 45 in the last 30 days · 7 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
320° at 7 knots
Visibility
10 statute miles
Lowest ceiling
1,200 ft broken
Temperature
68 °F, dew point 64 °F
Altimeter
29.92 inHg
Observed at
VER, 5 nm away

Docket · 4

The files NTSB released with the investigation on December 18, 2013, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.4 MB in all.