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NTSB Report
July 10, 2009 · Air Tractor AT-502B · N60023
Reydell, AR
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
July 10, 2009
Injury Outcomes
No injuries (1 uninjured)
Location
Reydell, AR
Aircraft
Air Tractor AT-502B
Tail Number
N60023
Operator
Bear Bayou Ag Service
Injuries
None
Aircraft Damage
Substantial
NTSB Number
CEN09CA428
The pilot took off from a private strip on an aerial application flight. While climbing away from the runway the airplane began a left turning tendency. The pilot suspected the airplane encountered a whirlwind and attempted to maintain control of the airplane. When the airplane entered a "dead air space" the airplane was approximately 5 to 10 feet above the ground. The airplane subsequently collided with terrain and came to a stop in the upright position. Substantial damage was sustained to both wings. An inspection of the airplane by a Federal Aviation Administration inspector did not reveal any pre-impact anomalies.
NTSB Probable Cause
The pilot's inability to maintain control of the airplane when it unexpectedly encountered a whirlwind shortly after takeoff.
Full Narrative
The pilot took off from a private strip on an aerial application flight. While climbing away from the runway the airplane began a left turning tendency. The pilot suspected the airplane encountered a whirlwind and attempted to maintain control of the airplane. When the airplane entered a "dead air space" the airplane was approximately 5 to 10 feet above the ground. The airplane subsequently collided with terrain and came to a stop in the upright position. Substantial damage was sustained to both wings. An inspection of the airplane by a Federal Aviation Administration inspector did not reveal any pre-impact anomalies.
Flight
Event TypeAccident
Event Time12:30 CDT
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftAir Tractor AT-502B
Tail NumberN60023
Aircraft CategoryAir
DamageSubstantial
OperatorBear Bayou Ag Service
Operating RulePart 137
Engines1
Engine TypeTurboprop
Engine DetailsP&W · PT6A SERIES · Turboprop · 500
Seats1
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 51 · Second Class · None
Conditions
ConditionsVMC
LightDaylight
Wind180° @ 5 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point68 F
Altimeter30.11 inHg
Observation Time17:54
Weather SourceWFAC