EASA Regulations for Aircraft Industries L-420

3 airworthiness directives and regulations affecting Aircraft Industries L-420.

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New ADs and bulletins for Aircraft Industries L-420, summarized like the ones below, every Monday.

EASA AD 2021-0264R1

Mar 28, 2023

Engine — Critical Parts — Replacement

EASA Airworthiness Directive 2021-0264R1 is a regulatory update addressing critical parts replacement for GE Aviation Czech M601 series engines installed on various aircraft including the Aircraft Industries L-410 and L-420, Air Tractor AT series, Allied Ag Cat G-164, Thrush S-2R, and Viking Air DHC-3 Otter. The directive focuses on ensuring the replacement and proper identification of affected compressor cases and drums to prevent engine failures. It mandates compliance with specific life limits and logbook corrections to maintain engine airworthiness.

Airworthiness Directive
  • Ge Aviation Czech M601
  • Aircraft Industries L-410
  • Aircraft Industries L-420
  • Air Tractor AT series
  • Allied Ag Cat G-164
  • Thrush S-2R
  • Viking Air DHC-3 Otter

EASA AD 2021-0154

Jul 1, 2021

Engine – Propeller Shaft – Replacement [Life Limit]

EASA Airworthiness Directive 2021-0154 is an airworthiness directive addressing GE Aviation Czech M601 series engines installed on various aircraft including Aircraft Industries L-410 and L-420, Air Tractor AT series, Grumman G-164, PZL-106, Dornier Do 28, Thrush S-2R, Viking DHC-3 Otter, Zlin Z-37T, and PAC FU-24. The directive mandates replacement and life limit implementation for propeller shafts with specific part numbers to ensure continued airworthiness and prevent potential propeller shaft failure.

Airworthiness DirectiveSuperseded
  • Ge Aviation Czech M601
  • Aircraft Industries L-410
  • Aircraft Industries L-420
  • Air Tractor AT series
  • Grumman G-164
  • PZL-106
  • Dornier Do 28
  • Thrush S-2R
  • Viking DHC-3 Otter
  • Zlin Z-37T
  • PAC FU-24

EASA AD 2019-0308

Dec 18, 2019

Landing Gear — Nose Landing Gear Leg / Pin — Replacement

EASA Airworthiness Directive 2019-0308 is an airworthiness directive issued by EASA concerning the replacement of the nose landing gear leg pin on Aircraft Industries L-410 and L-420 aeroplanes. It addresses specific pin part numbers installed on the nose landing gear legs that have been found to cause steering malfunctions. The directive applies to all manufacturer serial numbers of the affected aircraft models.

Airworthiness Directive
  • Aircraft Industries L 410
  • Aircraft Industries 420 (Turbolet)
  • Aircraft Industries L-410
  • Aircraft Industries L-420