EASA Regulations for Air Tractor AT-300

4 airworthiness directives and regulations affecting Air Tractor AT-300.

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New ADs and bulletins for Air Tractor AT-300, 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 AD 2017-0151R1

Dec 5, 2018

Engine — Exhaust System — Modification

EASA Airworthiness Directive 2017-0151R1 is a regulatory document addressing modification requirements for the exhaust system of GE Aviation Czech M601, H75, H80, and H85 series engines. These engines are commonly installed on aircraft such as Thrush Aircraft Inc. S-2R, PZL-106 Kruk, Air Tractor AT-300/400/500 series, Allied Ag Cat G-164 series, RUAG Do 28, and Aircraft Industries L-410. The directive mandates modifications to prevent potential power turbine or quill shaft spline failures that could lead to engine overspeed and subsequent safety hazards.

Airworthiness Directive
  • Ge Aviation Czech H75, H80, H85
  • Ge Aviation Czech M601
  • Thrush Aircraft Inc. S-2R
  • PZL-106 Kruk
  • Air Tractor AT-300
  • Air Tractor AT-400
  • Air Tractor AT-500
  • Allied Ag Cat G-164
  • RUAG Do 28
  • Aircraft Industries L-410

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

EASA SIB CE-11-30

May 11, 2011

Air Tractor, Inc. (all types & models) - Airframe Structure Corrosion

The Special Airworthiness Information Bulletin SAIB: CE-11-30 is an informational document issued by the FAA addressing airframe structure corrosion in all Air Tractor, Inc. model series AT-250, AT-300, AT-400, AT-500, AT-600, and AT-800 aircraft. It highlights the susceptibility of these aircraft to severe corrosion due to their operation in harsh environments such as chemical dispersal and firebomber missions. The bulletin provides guidance on inspection and repair procedures but does not mandate regulatory action.

Safety Information Bulletin
  • Air Tractor AT-250
  • Air Tractor AT-300
  • Air Tractor AT-400
  • Air Tractor AT-500
  • Air Tractor AT-600
  • Air Tractor AT-800