RegNotify

EASA Regulations for MHI RJ Aviation ULC CL-600-2E25

16 airworthiness directives and regulations affecting MHI RJ Aviation ULC CL-600-2E25.

EASA AD CF-2026-09R1

Ice and Rain Protection – Engine Cowl Anti-Ice – Ejector Pipe Chafing

The Canadian Airworthiness Directive CF-2026-09R1 addresses ice and rain protection specifically concerning engine cowl anti-ice systems on MHI RJ Aviation ULC aircraft models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. It mandates inspections and potential replacements of the reactive exhaust pipe and sealing joint to prevent damage caused by chafing, which could lead to ice accumulation, engine ingestion of ice, and engine shutdown.

Jun 22, 2026
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2026-25

Indicating/Recording System – Misleading Caution Messages Posted on Engine Indicating and Crew Alerting System during Air Driven Generator Deployment

Canadian Airworthiness Directive CF-2026-25 addresses misleading caution messages displayed on the Engine Indicating and Crew Alerting System (EICAS) during Air Driven Generator (ADG) deployment in MHI RJ Aviation ULC aircraft models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. The directive mandates updates to the Aircraft Flight Manual (AFM) to correct message logic and clarify procedures during emergency power conditions.

Jun 19, 2026
Airworthiness DirectiveFlight OpsSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-66R1

Fire Protection — Inspection and Replacement of Defective Cargo Fire Extinguisher Containers

The Canadian Airworthiness Directive CF-2022-66R1 addresses fire protection concerns related to the inspection and replacement of defective cargo fire extinguisher containers on MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. It mandates inspection of serial numbers of high rate of discharge (HRD) and low rate of discharge (LRD) cargo fire extinguisher containers and replacement of affected units to ensure proper fire suppression capabilities. This directive updates previous requirements to reflect new identification markings on modified containers.

Aug 2, 2024
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2023-62R1

Navigation — Radio Altimeter System — Introduction of a Radio Frequency Filter to Decrease Risk of Interference from 5G C-Band Wireless Telecommunication Service on the Radio Altimeter System When Operating in the Contiguous United States of America Airspace

Airworthiness Directive CF-2023-62R1 titled 'Navigation — Radio Altimeter System — Introduction of a Radio Frequency Filter to Decrease Risk of Interference from 5G C-Band Wireless Telecommunication Service on the Radio Altimeter System When Operating in the Contiguous United States of America Airspace' addresses interference issues affecting MHI RJ Aviation ULC aeroplanes, specifically models CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 when operating in contiguous U.S. airspace. The directive mandates installation of a radio frequency bandpass filter on radio altimeters to mitigate 5G C-Band interference risks. This directive is issued by Transport Canada Civil Aviation to ensure continued safe flight and landing operations.

Nov 22, 2023
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2B19MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2023-43

Time Limits / Maintenance Checks — Airworthiness Limitations — Task Revisions

Canadian Airworthiness Directive CF-2023-43 is issued for MHI RJ Aviation ULC model CL-600-2E25 aircraft. It mandates revisions to the Maintenance Requirements Manual Part 2, specifically updating Airworthiness Limitation Items related to structural inspections and safe life components. These changes ensure continued airworthiness by addressing new damage tolerance findings.

Jun 22, 2023
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2023-10

Equipment / Furnishings — Passenger Seats — Y-belts Installed Incorrectly

Canadian Airworthiness Directive CF-2023-10 addresses the incorrect installation of Y-belts (lap belts) on passenger seats in MHI RJ Aviation ULC aircraft models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 within specified serial number ranges. The directive mandates inspection and correction of Y-belt installations to ensure passenger safety. This issue originated from errors in the Aircraft Maintenance Manual instructions that have since been corrected.

Feb 23, 2023
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-56

Landing Gear — Main Landing Gear Retract Actuator Piston Rod — Safe Life Limitation Introduction

Airworthiness Directive CF-2022-56 is issued by Transport Canada and applies to all serial numbers of the MHI RJ Aviation ULC model CL-600-2E25 aircraft. It introduces a safe life limitation for the main landing gear retract actuator piston rod, part number 55615-1, to ensure continued airworthiness and prevent potential landing gear failures. This directive mandates updates to the Maintenance Requirements Manual to include this limitation and periodic replacement of the affected piston rod.

Sep 27, 2022
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-42

Fire Protection — Lavatory Smoke Detector — Operational Check of the Lavatory Smoke Detector

The Canadian Airworthiness Directive CF-2022-42 addresses fire protection by mandating operational checks of lavatory smoke detectors on MHI RJ Aviation ULC model CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. This directive updates maintenance requirements to replace daily flight crew testing with maintenance-performed operational checks. It aims to ensure timely detection of smoke or fire in lavatories by revising inspection intervals and procedures.

Aug 10, 2022
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2B19MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-43

Fire Protection — Visual Check of the Engine and Auxiliary Power Unit Fire Extinguishing Bottle Pressure Gauges — Airworthiness Limitations Implementation

Canadian Airworthiness Directive CF-2022-43 mandates enhanced fire protection checks for MHI RJ Aviation ULC model CL-600 series aircraft, including CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. The directive requires visual inspections of engine and Auxiliary Power Unit (APU) fire extinguishing bottle pressure gauges to ensure fire suppression capability. This directive implements new airworthiness limitations to maintain safety standards.

Aug 10, 2022
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-35

Time Limits / Maintenance Checks — Airworthiness Limitations — Tasks Revision

Airworthiness Directive CF-2022-35 is issued by Transport Canada Civil Aviation and applies to MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aeroplanes. This directive mandates revisions to the Airworthiness Limitations tasks as published in the Maintenance Requirements Manual CSP B-053 Part 2. It ensures that operators comply with updated inspection tasks to maintain continued airworthiness.

Jun 30, 2022
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2021-38R1

Air Conditioning — Ram Air System — Emergency Ram Air Valve

Airworthiness Directive CF-2021-38R1 is issued by Transport Canada concerning the air conditioning ram air system emergency ram air valve (ERAV) on MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. This directive addresses issues with the ERAV part number GG670-95019-1, which has been reported stuck in closed or partially open positions due to corrosion. The directive mandates operational checks and detailed inspections of the valve and related ducts to ensure continued air supply and cabin safety.

May 30, 2022
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-20

Fire Protection — Fire Extinguisher — Replacement of the Cargo Bay Fire Extinguisher Container Pressure Switch/Gauge Assembly

Canadian Airworthiness Directive CF-2022-20 addresses fire protection concerns on MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. It mandates the replacement of cargo bay fire extinguisher container pressure switch/gauge assemblies manufactured before March 2020. This directive aims to ensure accurate pressure readings to maintain fire suppression effectiveness in cargo bays.

Apr 21, 2022
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2022-06

Oxygen System — Crew Oxygen Line Contamination

Canadian Airworthiness Directive CF-2022-06 addresses contamination in the crew oxygen lines of MHI RJ Aviation ULC aircraft, including models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. The directive mandates cleaning and flushing procedures to remove lubricant contamination from oxygen tubes that may pose fire and health risks. This directive applies to specific serial numbers and tube part numbers installed after certain dates as detailed in MHIRJ Service Bulletin 670BA-35-016 Revision B.

Mar 2, 2022
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2021-49

Landing Gear — Landing Gear System — General

Canadian Airworthiness Directive CF-2021-49 addresses the landing gear system for MHI RJ Aviation ULC model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25 aircraft. It mandates verification of the calendar age of main and nose landing gear components and requires removal and replacement of components older than 10 years. The directive aims to prevent landing gear collapse due to corrosion by enforcing maintenance and overhaul standards.

Jan 5, 2022
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2020-53

Time Limits / Maintenance Checks — Maintenance Program

The Canadian Airworthiness Directive CF-2020-53 is a regulatory document addressing time limits and maintenance checks for MHI RJ Aviation ULC aeroplanes, specifically models CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. It mandates updates to the maintenance program to incorporate mandatory airworthiness limitations and safe life component requirements as defined in the Customer Support Publication B-053 Maintenance Requirements Manual. This directive ensures continued airworthiness and safety compliance for the affected aircraft.

Dec 8, 2020
Airworthiness DirectiveMaintenanceSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25

EASA AD CF-2018-32R1

SUPERSEDED BY TCCA AD CF-2022-37

Canadian Airworthiness Directive CF-2018-32R1 is an amendment affecting MHI RJ Aviation ULC model CL-600 series aircraft, including CL-600-2B19, CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25. It addresses issues with the autopilot altitude capture modes during engine failure conditions that may cause airspeed to drop below safe limits. The directive mandates updates to the Airplane Flight Manual (AFM) to include specific limitations and abnormal procedures related to velocity decay during low-level altitude capture in one engine inoperative scenarios.

Aug 21, 2020
Airworthiness DirectiveFlight OpsSafety MgmtMHI RJ Aviation CL-600 (Regional Jet)MHI RJ Aviation ULC CL-600-2B19MHI RJ Aviation ULC CL-600-2C10MHI RJ Aviation ULC CL-600-2C11MHI RJ Aviation ULC CL-600-2D15MHI RJ Aviation ULC CL-600-2D24MHI RJ Aviation ULC CL-600-2E25