EASA Regulations for Air Tractor AT-402

3 airworthiness directives and regulations affecting Air Tractor AT-402.

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New ADs and bulletins for Air Tractor AT-402, summarized like the ones below, every Monday.

EASA AD US-2021-05-14

Mar 29, 2021

Flight Controls - Trailing Edge Flap Control System - Inspection / Replacement

Federal Aviation Administration Airworthiness Directive 2021-05-14 is a final rule addressing cracks in the flap torque tube actuator attachment brackets on all Air Tractor, Inc. Models AT-250 through AT-802A airplanes. The directive mandates repetitive visual and dye penetrant inspections of the flap actuator attachment bracket welds and requires replacement of any cracked torque tubes to prevent flap actuator detachment. This AD aims to ensure continued safe operation of affected Air Tractor aircraft by mitigating the risk of sudden flap retraction and potential loss of control.

Airworthiness Directive
  • Air Tractor AT-250
  • Air Tractor AT-300
  • Air Tractor AT-400
  • Air Tractor AT-401
  • Air Tractor AT-402
  • Air Tractor AT-500
  • Air Tractor AT-600
  • Air Tractor AT-800
  • Air Tractor AT-602
  • Air Tractor AT-802
  • Air Tractor AT-802A

EASA SIB CE-11-57

Sep 16, 2011

Air Tractor, Inc. AT-400 and AT-402 Series Aeroplanes — Engine Mount Section

The Special Airworthiness Information Bulletin SAIB: CE-11-57 is an FAA informational bulletin addressing an airworthiness concern for Air Tractor, Inc. Models AT-400, AT-400A, AT-402, AT-402A, and AT-402B airplanes. It highlights the need for inspections of the engine mount attach tubes for fatigue cracking, particularly at the left hand firewall attach location, but does not mandate regulatory action. The bulletin provides guidance on inspection procedures and reporting for affected aircraft under Type Certificate Data Sheets A9SW and A17SW.

Safety Information Bulletin
  • Air Tractor AT-400
  • Air Tractor AT-400A
  • Air Tractor AT-402
  • Air Tractor AT-402A
  • Air Tractor AT-402B

EASA SIB CE-11-41

Jul 4, 2011

Air Tractor, Inc. AT-300, AT-400 and AT-500 Series - Fuselage-to-Wing Attachment Fittings

The Air Tractor, Inc. AT-300, AT-400 and AT-500 Series - Fuselage-to-Wing Attachment Fittings Special Airworthiness Information Bulletin (SAIB: CE-11-41) informs owners and operators of Air Tractor AT-300, AT-400, and AT-500 series aircraft about potential fatigue cracking in the fuselage frame wing attach tubes. This bulletin covers models including AT-300, AT-301, AT-302, AT-400, AT-400A, AT-401, AT-401A, AT-401B, AT-402, AT-402A, AT-402B, AT-501, AT-502, AT-502A, AT-502B, AT-503, AT-503A, and AT-504. It provides inspection guidance but does not mandate regulatory action.

Safety Information Bulletin
  • Air Tractor AT-300
  • Air Tractor AT-301
  • Air Tractor AT-302
  • Air Tractor AT-400
  • Air Tractor AT-400A
  • Air Tractor AT-401
  • Air Tractor AT-401A
  • Air Tractor AT-401B
  • Air Tractor AT-402
  • Air Tractor AT-402A
  • Air Tractor AT-402B
  • Air Tractor AT-501
  • Air Tractor AT-502
  • Air Tractor AT-502A
  • Air Tractor AT-502B
  • Air Tractor AT-503
  • Air Tractor AT-503A
  • Air Tractor AT-504