EASA Regulations for Air Tractor AT-301

2 airworthiness directives and regulations affecting Air Tractor AT-301.

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New ADs and bulletins for Air Tractor AT-301, summarized like the ones below, every Monday.

EASA SIB SAFO15007

Jul 15, 2015

Pratt & Whitney R-985 (Wasp Junior) Engines — Flyweight Hardware Failures

SAFO 15007 is a Safety Alert for Operators issued by the FAA regarding Pratt & Whitney R-985-AN-14B (Wasp Junior) engines. It addresses failures caused by fatigued flyweight screws and improperly modified or under-torqued expanders, which have led to in-flight engine failures and forced landings. The alert also applies to other Pratt & Whitney Wasp Jr (R-985 Series) and Wasp (R-1340 Series) engines used in various aircraft including Air Tractor AT-301 and 401, Ayres Thrush, Beechcraft D17 and 18 series, Boeing-Stearman 75, de Havilland DHC-2 and DHC-3, Gee Bee, Grumman G-21 and G-164, Howard DGA-6, -11, -15, North American T-6, and Weatherly 201 and 620.

Safety Information Bulletin
  • Air Tractor AT-301
  • Air Tractor AT-401
  • Ayres Thrush
  • Beechcraft D17
  • Beechcraft 18
  • Boeing-Stearman 75
  • de Havilland DHC-2
  • de Havilland DHC-3
  • Gee Bee
  • Grumman G-21
  • Grumman G-164
  • Howard DGA-6
  • Howard DGA-11
  • Howard DGA-15
  • North American T-6
  • Weatherly 201
  • Weatherly 620

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