Accident Air Tractor AT-502B N50620,
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ASN Wikibase Occurrence # 133675
 
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Date:Wednesday 2 September 1998
Time:18:40 LT
Type:Silhouette image of generic AT5T model; specific model in this crash may look slightly different    
Air Tractor AT-502B
Owner/operator:King Ag Leasing Inc.
Registration: N50620
MSN: 502B-0457
Year of manufacture:1997
Total airframe hrs:780 hours
Engine model:P&W PT6-34AG
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Destroyed
Category:Accident
Location:Portales, NM -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Agricultural
Departure airport:Private Strip, TX
Destination airport:Sudan, TX (NONE)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot was flying westbound into the sun (275 degrees, 7 degrees above the horizon) during an aerial application pass over a cotton field. There was a circular pivotal sprinkler system which extended from the northern center of the field to the southeast. The pilot said that he looked over to adjust his onboard global positioning system and he struck the sprinkler. The impact separated the left main landing gear and initiated a fire in the right hand forward part of the cockpit. The pilot landed the airplane in the adjacent peanut field and the airplane ground looped during the emergency landing attempt. The airplane was destroyed during the subsequent post landing fire.

Probable Cause: The pilot's failure to maintain adequate altitude/clearance during an aerial application. Also causal was the inadvertent ground loop/swerve during the landing.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: FTW98LA383
Status: Investigation completed
Duration: 1 year and 7 months
Download report: Final report

Sources:

NTSB FTW98LA383

Location

Revision history:

Date/timeContributorUpdates
21-Dec-2016 19:26 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
06-Apr-2024 10:37 ASN Update Bot Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report]

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