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Aviation safety reports, made easier to study

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NTSB Report

June 3, 2006 · Air Tractor AT-401 · N9190B

Victoria, TX

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
June 3, 2006
Injury Outcomes
No injuries (1 uninjured)
Location
Victoria, TX
Aircraft
Air Tractor AT-401
Tail Number
N9190B
Injuries
None
Aircraft Damage
Substantial
NTSB Number
DFW06CA152

The single-engine agricultural airplane impacted terrain during a takeoff overrun at a private airstrip. The 11,000-hour commercial pilot reported that the hopper was loaded with 250 gallons of cotton defoliant and the airplane had a total of 35 gallons of 100LL aviation fuel on board for the aerial application flight of a nearby cotton field. The pilot stated that a full engine run up was completed prior to taking the runway for a southeast departure. The pilot added that the acceleration appeared normal and the 600-horsepower radial engine was producing full power during the takeoff roll on the 3,200-foot by 130-foot wide gravel airstrip. The pilot added that the tailwheel-equipped airplane was properly configured with the flaps in the takeoff (one-notch down) position. After breaking ground, the airplane climbed to an altitude of 10 to 15 feet above the ground before the airplane settled back on to the runway. The pilot attempted to get the airplane airborne again; however, the spray boom on the left wing collided with corn stalks on the corn field at the departure end of his private airstrip. The airplane came to rest in the upright position about 200 yards beyond the departure end of the airstrip. The aft section of the airplane sustained structural damage. The pilot reported that there were no mechanical deficiencies with the airplane or the engine at the time of the accident. The pilot reported that the lack of performance by the airplane was due to the calm winds that prevailed that morning. The density altitude was calculated by the investigator-in-charge at 881 feet.

NTSB Probable Cause

The pilot's delay in aborting the takeoff which resulted in an overrun. A contributing factor was the unfavorable wind.

Full Narrative

The single-engine agricultural airplane impacted terrain during a takeoff overrun at a private airstrip. The 11,000-hour commercial pilot reported that the hopper was loaded with 250 gallons of cotton defoliant and the airplane had a total of 35 gallons of 100LL aviation fuel on board for the aerial application flight on a nearby cotton field. The pilot stated that a full engine run up was completed prior to taking the runway for a southeast departure. The pilot added that the acceleration appeared normal and the 600-horsepower radial engine was producing full power during the takeoff roll on the 3,200-foot by 130-foot wide gravel airstrip. The pilot added that the tailwheel-equipped airplane was properly configured with the flaps in the takeoff (one-notch down) position. After breaking ground, the airplane climbed to an altitude of 10 to 15 feet above the ground before the airplane settled back on to the runway. The pilot attempted to get the airplane airborne again; however, the spray boom on the left wing collided with corn stalks on the corn field at the departure end of his private airstrip. The airplane came to rest in the upright position about 200 yards beyond the departure end of the airstrip. The aft section of the airplane sustained structural damage. The pilot reported that there were no mechanical deficiencies with the airplane or the engine at the time of the accident. The pilot reported that the lack of performance by the airplane was due to the calm winds that prevailed that morning. The density altitude was calculated by the investigator-in-charge at 881 feet.

Flight

Event TypeAccident
Event Time08:30 CDT
Nearest Airport0nm
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftAir Tractor AT-401
Tail NumberN9190B
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 137
Engines1
Engine TypeReciprocating
Engine DetailsPratt & Whitney · R1340 · Reciprocating · 600
Seats1

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 46 · Second Class · None

Conditions

ConditionsVMC
LightDaylight
Wind310° @ 4 kt
Visibility6 sm
CeilingNone
Temperature / Dew Point70 F
Altimeter30.02 inHg
Observation Time12:51
Weather SourceWFAC

Appendix: Source Data