Certification Memoranda

Displaying 118 items

This list displays content that is tagged with Certification Memoranda

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    Applicable to Normal, Utility, Aerobatic and Commuter Aeroplanes / Large Aeroplanes / Small Rotorcraft / Large Rotorcraft / Engines / Propellers / Auxiliary Power Units / ETSO Parts
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    Applicable to Large Aeroplanes, Normal-Category Aeroplanes and Small and Large Rotorcraft
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    issue 3 of the certification memo introduces specific guidance for cybersecurity
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    Applicable to Large Aeroplanes
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    Issue 2 of the certification memo is not limited to European Light Aircraft
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    Applicable to Large Aeroplanes
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    Applicable to Large Aeroplanes
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    Applicable to Large Aeroplanes
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    Applicable to Aircraft, Rotorcraft, Propulsion and Parts and Appliances
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    “Non-Hazardous Features of Engine Critical Parts”
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    Applicable to Large Aeroplanes - NOTE: The CM reference has been corrected from reading “21.A-D-003” (incorrectly used for the publication of the proposed CM) to “21.A-D-004
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    CM-FT-003
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    Helicopter Night Vision Imaging Systems
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    Electrical Wiring Interconnection System (EWIS) during Engine Certification using CS-E
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    Incomplete Passenger Cabin
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    Maintenance Review Board Report/ Maintenance Type Board Report Development process
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    Certification of aircraft systems with databases
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    FLARM system installations in CS-23, CS 27 and CS-29 aircraft
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    Helicopter Terrain Awareness and Warning System and Ground Proximity Warning System alerting functions for Offshore Operations
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    Determination of Aircraft Tyre Speed Rating
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    Parts Detached from Aeroplanes
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    Composite Materials - The Safe Design and Use of Monocoque Sandwich Structures in Principal Structural Element Applications
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    Cabin Interior Abuse Loads
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    Interpretation to 21.A.3B(c)(1) and 21.A.103(a)(2)(i)
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    Approved Model List Changes
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    Evaluation of aisle width with respect to seat installations
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    Minimum qualification standards for oxygen cylinders used on board aircraft
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    Certification of Vibration Health Monitoring (VHM) Systems for compliance with Commission Regulation (EU) 2016/1199 introducing Annex V (Part-SPA) of Regulation (EU) No 965/2012 Subpart K, Helicopter Offshore Operations (HOFO)
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    Development Assurance of Airborne Electronic Hardware
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    Single Event Effects (SEE) Caused by Atmospheric Radiation
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    The integrity of nickel powder metallurgy rotating critical parts for gas turbines
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    Certification, Type Design Definition, Material and Process Qualification for Composite Light Aircraft
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    Large Aeroplane Evacuation Certification Specifications – Cabin Crew Members Assumed to be On Board
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    Critical Parts – Lifing Shortfall
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    The integrity of nickel powder metallurgy rotating critical parts for gas turbines
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    Completeness and Timely Availability of Instructions for Continued Airworthiness
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    Engine Time Limited Dispatch (TLD) and Master Minimum Equipment List (MMEL)
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    Critical Parts – Lifing Shortfall
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    Guidance to Certify an Aircraft as PED tolerant
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    Installation of ELTs
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    Determination of an Unsafe Condition for Risk of Rotorcraft Engine In-Flight Shut-Down (IFSD) and Power Loss
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    Large Aeroplane Evacuation Certification Specifications – Cabin Crew Members Assumed to be On Board
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    Safety considerations covering External Loads
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    Completeness and Timely Availability of Instructions for Continued Airworthiness
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    Certification of airborne systems using Light Amplification by Stimulated Emission of Radiation (LASER) with high energy
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    Additive manufacturing
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    CS 27/29.865 Safety considerations covering External Loads
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    Acceptance of Electronic Flight Instrument Systems without own equipment approval in Small Aeroplanes (ELA1)
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    Development of OSD for Maintenance Certifying Staff
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    Rotor Drive System – Gearbox “TBO Development”
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    Large Aeroplane Evacuation Certification Requirements - Cabin Crew Members Assumed to be On Board
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    Bonded Repair Size Limits in accordance with CS-23, CS-25, CS-27, CS-29 and AMC 20-29
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    Regulatory Significant Standards Differences for pair CS-25 Amendment 12 vs 14 CFR Part 25 Amendment 1 through 136
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    Post Certification Actions to Verify the Continued Integrity of Rotorcraft Critical Parts
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    Certification of airborne systems using Light Amplification by Stimulated Emission of Radiation (LASER) with high energy
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    Vibration Health Monitoring: Prioritisation of Maintenance Alerts
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    Rotor Drive System - Gearbox TBO Development
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    Electrical Wiring Interconnection System Instructions for Continued Airworthiness
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    Post Certification Actions to Verify the Continued Integrity of Safety Critical Parts
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    Turbine Engine Relighting In Flight
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    Certification Aspects of Integrated Modular Avionics
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    Regulatory Significant Standards Differences for pair CS-25 Amendment 12 vs 14 CFR Part 25 Amendment 1 through 136
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    Application of Standard Fasteners (nuts and bolts) within the scope of CS-VLA, CS-VLR, CS-23, CS-25, CS-27, CS-29, CS-P and CS-E to be used in Critical Installations
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    Engine Time Limited Dispatch (TLD) and Master Minimum Equipment List (MMEL)
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    Certification, Type Design Definition, Material and Process Qualification for Composite Light Aircraft
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    Vibration Health Monitoring: Prioritisation of Maintenance Alerts
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    Helicopter External Loads Personnel Carrying Device System
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    Bonded Repair Size Limits in accordance with CS 2x.603 and AMC 20-29
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    Turbine Engine Relighting In Flight
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    Type rating determination and minimum syllabus considerations for maintenance certifying staff type rating training in light of Operational Suitability Data requirements
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    Airworthiness Considerations for Lead (Pb) Free Electronics in Airborne Systems
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    Width of Aisle
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    Rotorcraft – Oil Low Pressure Warning
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    Application of CS 25.561 (c)(2) 1·33 ‘Wear and Tear’ Factor - Frequent Removal of Interior Structures
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    Composite Materials - Shared Databases - Acceptance of Composite Specifications and Design Values Developed using the NCAMP Process
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    Helicopter External Loads Personnel Carrying Device System
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    Helicopter Night Vision Image Systems
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    Proposed Certification Memorandum on 'Software Aspects of Certification'
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    Large Helicopter Main Gearbox Certification Requirements
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    Application of standard fasteners (nuts and bolts) within the scope of CS XXX.602 and CS XXX.607 to be used in critical installations
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    Composite Materials - Shared Databases - Acceptance of Composite Specifications and Design Values Developed using the NCAMP Process
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    Flammability Testing of Interior Materials
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    Application of CS 25.561 (c)(2) 1∙33 ‘Wear and Tear’ Factor - Frequent Removal of Interior Structures
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    Service Bulletins (SBs) related to Airworthiness Directives (ADs)
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    Large Rotorcraft - Oil Low Pressure Warning
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    Regulatory Differences CS-E vs CFR 14 Part 33 (for validation by EASA of FAA certified engine types)
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    Fuel Specification Changes
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    Engine Critical Parts - Damage Tolerance Assessment - Manufacturing and Surface Induced Anomalies
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    Installation of 'Cargo Seat Bags' on Passenger Seats
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    Guidance for Rain and Hail Ingestion Testing for Turbine Engines – Short Hail Burst
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    Turbine Over-speed Resulting from Shaft Failure
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    Guidance for Rain and Hail Ingestion Testing for Turbine Engines – Ice Accretion
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    Quality of Recording of Cockpit Voice Recorders
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    Compliance with CS-25 Bird Strike Requirements
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    Software Aspects of Certification
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    Approval of Engine Use with a Thrust Reverser
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    Large transport aircraft: Fire withstanding capabilities of composite wing containing fuel tank
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    Access to and Opening of Type III and IV Exits on Aeroplanes with Passenger Seating Capacities of 19 or Fewer
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    Use of Aircraft Materials Fire Test Handbook # DOT/FAA/AR-00/12
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    Respecting Brake Energy Qualification Limits
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