Hard landing Accident Air Tractor AT-502 N4509S,
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ASN Wikibase Occurrence # 223389
 
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Date:Tuesday 10 July 2018
Time:16:45
Type:Silhouette image of generic AT5T model; specific model in this crash may look slightly different    
Air Tractor AT-502
Owner/operator:Olsem Aerial Application Services Llc
Registration: N4509S
MSN: 502-0088
Year of manufacture:1990
Total airframe hrs:8101 hours
Engine model:Pratt & Whitney PT6A
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:De Land, IL -   United States of America
Phase: Landing
Nature:Agricultural
Departure airport:De Land, IL (IL80)
Destination airport:De Land, IL (IL80)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot reported that, after an agricultural application flight, during the landing roll in a rain shower and with a crosswind, the tailwheel-equipped airplane hit a “bump” and became airborne. He added that the airplane was slow, drifted left, and touched down hard. Subsequently, the airplane exited the runway and ground looped. The pilot reported that he should have landed farther down the runway to avoid the bumps that caused the airplane to become airborne.
The airplane sustained substantial damage to the fuselage, empennage, and left wing.
The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.
An automated weather observation system located about 19 nautical miles from the accident site reported that, about the time of the accident, the wind was from 260° at 12 knots. The pilot landed the airplane on runway 18.


Probable Cause: The pilot’s selection of unsuitable terrain for landing in crosswind conditions, which resulted in the airplane inadvertently becoming airborne and a subsequent hard landing and loss of directional control.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: GAA18CA415
Status: Investigation completed
Duration: 8 months
Download report: Final report

Sources:

NTSB

Location

Revision history:

Date/timeContributorUpdates
22-Mar-2019 20:35 ASN Update Bot Added

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