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June 4, 2021 · Air Tractor AT-602 · N51037

Drew, MS

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
June 4, 2021
Injury Outcomes
1 injury (1 minor injury)
Location
Drew, MS
Aircraft
Air Tractor AT-602 (1997)
Tail Number
N51037
Operator
Boyle Flying Service
Injuries
Minor
Aircraft Damage
Substantial
NTSB Number
CEN21LA254

The pilot stated that the airplane had just been loaded with fertilizer for an aerial application flight and that the fuel tanks were about ¾ full. The last memory he had of the event was the start of the takeoff roll. There were no witnesses to the accident. A ground scar was present along the runway with the left navigation light embedded in the scar. The airplane sustained substantial damage to wings, ailerons, and rudder. Flight control continuity was established from the control stick to the aileron and elevator control surfaces and from the rudder pedals to the rudder. The tailwheel lock was found engaged and a functional test revealed no anomalies. Engine control continuity was established from the power quadrant to the engine and allowed for unrestricted movement of the power lever, propeller control lever, and condition lever. No anomalies or malfunctions were found that would have precluded normal operation. The reason for the loss of control during takeoff could not be determined based on the available information.

NTSB Probable Cause

Personnel issues-Task performance-Use of equip/info-Aircraft control-Unknown/Not determined

Full Narrative

On June 4, 2021, about 1625 eastern daylight time, an Air Tractor AT602, N51037, was substantially damaged when it was involved in an accident near Drew, Mississippi. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of Federal Regulations (CFR) Part 137 aerial application flight. The pilot stated that the airplane had just been loaded with about 4,000 lbs of dry fertilizer for the application flight and that the fuel tanks were about ¾ full (150 gal). The last memory he had of the flight was the start of the takeoff roll. There were no witnesses to the accident. A ground scar was present along the runway with the left navigation light embedded in the scar. The airplane sustained substantial damage to wings, ailerons, and rudder. Flight control continuity was established from the control stick to the aileron and elevator control surfaces and from the rudder pedals to the rudder. The tailwheel lock was found engaged and a functional test revealed no anomalies. Engine control continuity was established from the power quadrant to the engine and allowed for unrestricted movement of the power lever, propeller control lever, and condition lever. The N1 section of the engine was inspected using a borescope and no anomalies were noted. All 5 blades of the propeller were bent aft and the pitch links for the #2 and #3 blades were fractured, consistent with the engine producing power at the time of impact.

Flight

Event TypeAccident
Event Time16:25 CDT
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftAir Tractor AT-602
Tail NumberN51037
Aircraft CategoryAir
DamageSubstantial
OperatorBoyle Flying Service
Operating RulePart 137
Engines1
Engine TypeTurboprop
Engine DetailsPratt & Whitney · PT6A-60AG · Turboprop · 1020
Seats1

People & Injuries

Injury Summary1 injury (1 minor injury)
Fatal0
Serious0
Minor1
Uninjured0
Total1
Crew 1Age 29 · First Class · Minor

Conditions

ConditionsVMC
LightDaylight
Wind110° @ 4 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point61 F
Altimeter30.02 inHg
Observation Time14:15
Weather SourceWFAC

Appendix: Source Data