CEN14CA341

NTSB accident investigation · Air Tractor AT 402B · Sudan, TX · June 26, 2014

Accident · Minor injuriesData collectionFinal report
Date
June 26, 2014, 15:00 local (20:00 UTC)
Place
Sudan, TX
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N5197UAir Tractor AT 402B
Defining event
Maneuvering-low-alt flying: Loss of control in flight
Weather
Visual (VMC) · Day
Status
Completed · report August 14, 2014
Report
Approved by Office Director
NTSB office
Central Region
Parties
Federal Aviation Administration
FAA report
20140626009799A
Case key
89612

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 lapse in monitoring the airplane's speed during a low level aerial application maneuver and its subsequent stall during the maneuver.

Findings · 2

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.

Performance/control parameters: airspeedAircraft › Aircraft oper/perf/capability · Not attained/maintainedAir Tractor AT-402B: 3 casesAll aircraft: 1,681 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

The aerial application pilot reported that he was "busy looking outside" the cockpit during a low altitude turn. He said that he felt the airplane stall and the airplane subsequently sustained substantial fuselage damage when it impacted terrain. The pilot reported that there were no mechanical malfunctions that would have prevented normal operations.

Factual narrative

The aerial application pilot reported that he was "busy looking outside" the cockpit during a low altitude turn. He said that he felt the airplane stall and the airplane subsequently sustained substantial fuselage damage when it impacted terrain. The pilot reported that there were no mechanical malfunctions that would have prevented normal operations.

Aircraft

Registration
N5197U
Reported as
Air Tractor AT 402B
Category
Airplane
Serial number
402A-1096
Built
1999
Airframe hours
7,933
Engine
P&W Canada PT6A-34AG, 750 horsepower, turbo prop
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
King Ag Aviation Inc
Registered owner
King Ag Leasing Inc
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · April 20, 2014
Departed
XA05 · Sudan, TX
Destination
XA05 · Sudan, TX
Airport
XA05 · Fairview Field

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
23
Injuries
Minor
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Unknown
Last flight review
November 23, 2012
Seat
Single
Restraint
3-point
Flight hours
2,250 total · 2,100 as pilot in command · 250 in the last 90 days · 125 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
230° at 7 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
90 °F, dew point 52 °F
Altimeter
29.92 inHg
Observed at
KCVS, 39 nm away

Docket · 1

The files NTSB released with the investigation on July 24, 2014, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.7 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.