Wirestrike Accident Air Tractor AT-502B N5008Z,
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ASN Wikibase Occurrence # 43185
 
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Date:Friday 30 July 1999
Time:17:30 LT
Type:Silhouette image of generic AT5T model; specific model in this crash may look slightly different    
Air Tractor AT-502B
Owner/operator:J. D. M. Incorporated
Registration: N5008Z
MSN: 502B-0434
Total airframe hrs:831 hours
Engine model:P&W PT6A-34AG
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:Giltner, NE -   United States of America
Phase: Unknown
Nature:Agricultural
Departure airport:Aurora, NE (KAUH)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The airplane was destroyed when it impacted terrain near Giltner, Nebraska. The pilot was fatally injured. A neighbor found the airplane wreckage and telephoned 911. The sky condition was clear. The United States Naval Observatory altitude and azimuth of the sun in Giltner, Nebraska, were 24.8 degrees and 273.5 degrees. An examination of the airplane's SATLOC computer and power supply unit revealed no evidence of pre-existing anomalies. The SATLOC's memory card was found damaged and its damaged portion could not be read or recovered. The airplane was found on the shoulder of 8 Road, west of D Road. An on scene inspection of the airplane revealed that there was flight control and engine continuity and found no evidence of preimpact malfunctions. The left wing had a section of its leading edge torn off. This section was found in two pieces in the cornfield northwest of D Road and 8 Road's intersection. The parts exhibited a gouge and the parts mated to the missing area. A radio tower was found with one of its guy wire cables detached from its tower mounting position. The cable was found lying across power lines, across D Road, and was lying in the cornfield near the torn leading edge parts. A visibility study revealed that from where the pilot sat, the area of the left wing's leading edge where it was torn was blocked by the door post. The area could be viewed if a leaning forward position or a leaning to the left position was performed.

Probable Cause: The pilot's inadequate visual lookout, and his failure to maintain clearance from the guy wire. A factor was the guy wire.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: CHI99FA267
Status: Investigation completed
Duration: 1 year and 9 months
Download report: Final report

Sources:

NTSB CHI99FA267

Location

Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
14-Dec-2017 08:41 ASN Update Bot Updated [Operator, Source, Narrative]
07-Apr-2024 19:03 ASN Update Bot Updated [Time, Operator, Other fatalities, Departure airport, Source, Narrative, Category, Accident report]

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