EASA Regulations for Pratt & Whitney Canada PT6T

1 airworthiness directives and regulations affecting Pratt & Whitney Canada PT6T.

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New ADs and bulletins for Pratt & Whitney Canada PT6T, summarized like the ones below, every Monday.

EASA AD CF-2025-66

Dec 9, 2025

Engine — Compressor Turbine (CT) Disk Assembly — Unsubstantiated CT Disk Part Number (P/N) in Engine Technical Publications

Canadian Airworthiness Directive CF-2025-66 addresses an error in the technical publications for Pratt & Whitney Canada PT6T-3 engines involving an unsubstantiated compressor turbine disk part number (P/N 3024211). This directive applies to all serial numbers of the PT6T-3 engine model and mandates verification and correction of the installed CT disk part number to ensure compliance with airworthiness limitations. The AD aims to prevent potential compressor turbine disk failure and subsequent engine or aircraft damage.

Airworthiness Directive
  • Pratt & Whitney Canada PT6T