EASA Regulations for Viking DHC-3 Otter

3 airworthiness directives and regulations affecting Viking DHC-3 Otter.

EASA AD 2024-0194

Engine — Centrifugal Compressor Case — Inspections

EASA Airworthiness Directive 2024-0194 is an airworthiness directive addressing inspections of the centrifugal compressor case on GE Aviation Czech M601 series engines. It applies to M601D, M601E, M601E-11, M601E-11A, M601E-11AS, M601E-11S, M601E-21, M601F, and M601FS engines installed on various aircraft including the Aircraft Industries L-410 series, Air Tractor AT series, Allied Ag Cat G-164 series, PZL-106 Kruk, Do 28 series, Thrush S-2R series, Viking DHC-3 Otter, Zlin Z 37 T and Z 137 T, and Pacific Aerospace FU-24. The directive mandates repetitive inspections of the affected centrifugal compressor case parts to detect cracks and prevent potential engine separation.

Oct 15, 2024

Airworthiness DirectiveMaintenanceSafety MgmtGe Aviation Czech M601Aircraft Industries L-410Air Tractor ATAllied Ag Cat G-164PZL-106 KrukDornier Do 28Thrush S-2RViking DHC-3 OtterZlin Z 37 TZlin Z 137 TPacific Aerospace FU-24

EASA AD 2021-0154

SUPERSEDED BY EASA AD 2023-0020

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.

Jul 1, 2021

Airworthiness DirectiveMaintenanceSafety MgmtGe Aviation Czech M601Aircraft Industries L-410Aircraft Industries L-420Air Tractor AT seriesGrumman G-164PZL-106Dornier Do 28Thrush S-2RViking DHC-3 OtterZlin Z-37TPAC FU-24

EASA AD 2021-0060

SUPERSEDED BY EASA AD 2023-0020

EASA Airworthiness Directive 2021-0060 is an airworthiness directive issued by the European Union Aviation Safety Agency affecting GE Aviation Czech M601 engine models including M601D-1, M601D-2, M601D-11, M601D-11NZ, and M601Z. These engines are installed on various aircraft such as Air Tractor AT series, Allied Ag Cat G-164 series, Pacific Aerospace FU-24, PZL-106 Kruk series, RUAG Do 28 series, Thrush S-2R series, Viking DHC-3 Otter, and Zlin Z 37 T and Z 137 T. The directive mandates compliance with updated airworthiness limitations and maintenance tasks to ensure continued safe operation.

Mar 3, 2021

Airworthiness DirectiveMaintenanceSafety MgmtGe Aviation Czech M601Air Tractor AT seriesAllied Ag Cat G-164 seriesPacific Aerospace FU-24PZL-106 Kruk seriesRUAG Do 28 seriesThrush S-2R seriesViking DHC-3 OtterZlin Z 37 TZlin Z 137 T