Certification Memoranda (CM) clarify the Agency’s general course of action on specific certification items. They are intended to provide guidance on a particular subject and, as non-binding material, may provide complementary information and guidance for compliance demonstration with current standards. Certification Memoranda are provided for information purposes only and must not be misconstrued as formally adopted Acceptable Means of Compliance (AMC) or Guidance Material (GM). Certification Memoranda are not intended to introduce new certification requirements or to modify existing certification requirements and do not constitute any legal obligation.
The hereby presented Certification Memoranda have been accepted by the Agency following a public consultation.
| Certification Memoranda | Subject | Issue | Rev. | Date | Supporting docs (CRD & Proposed Certification Memorandum) |
|---|---|---|---|---|---|
| EASA CM-S-011 | Compliance with CS 27/29.952 (a)(4) for Helicopter external installations | 03 | 00 | 14/07/2022 |
EASA CM-S-011 |
| EASA CM 21.A-A-002 | Parts Detached from Rotorcraft | 02 | 00 | 11/07/2022 | EASA CM- 21.A-A-002 page |
| EASA CM-PROP-001 | Non-Hazardous Features of Engine Critical Parts | 01 | 00 | 12/01/2022 |
EASA CM-PROP-001 page |
| EASA CM-SA-001 | Net Safety Benefit | EASA CM-SA-001 page | |||
| EASA CM-21.A-CS-001 | Classification of design changes to cabin interiors of Large Aeroplanes | 02 | 00 | 30/04/2021 | EASA CM-21.A-CS-001 page |
| EASA CM-21.A-D-004 | Airplane Flight Manual revisions for changes in mass with and without effect on the certified noise levels | 02 | 00 | 24/03/2021 | EASA CM-21.A-D-004 page |
| EASA CM-FT-003 | Display of attitude at night for VFR approval in rotorcraft | 01 | 00 | 12/03/2021 | EASA CM-FT-003 page |
| EASA CM-21.A-D-003 | Hot Air Balloons: Classification of design changes | 01 | 00 | 18/01/2021 |
EASA CM-21.A-D-003 |
| EASA CM-PIFS-017 |
Turbine Engines – High Pressure Turbine Shaft Loss of Load and Rotor Integrity |
01 | 00 | 20/11/2020 | EASA CM-PIFS-017 page |
| EASA CM-21.A-B-001 | Use of real-time remote participation for witnessing of tests and carrying out of inspections | 01 | 00 | 01/07/2020 | EASA CM-21.A-B-001 page |
| EASA CM-CS-012-001 |
Air Medical Services with Large Aeroplanes |
01 | 00 | 28/05/2020 | EASA CM-CS-012-001 page |
| EASA CM–FT-001 | Helicopter Night Vision Imaging Systems | 03 | 00 | 24/04/2020 | EASA CM–FT-001 page |
| EASA CM-PIFS-016 | Electrical Wiring Interconnection System | 01 | 00 | 08/01/2020 | EASA CM-PIFS-016 page |
| EASA CM-AS-011 | ATN B1 Data Link Multi-Frequency Capability | 01 | 00 | 11/12/2019 | EASA CM-AS-011 page |
| EASA CM-CS-010-001 | Incomplete Passenger Cabin | 01 | 00 | 02/12/2019 | EASA CM-CS-010-001 page |
| EASA CM-21.A-D-002 | External Installations on Helicopters | 01 | 00 | 27/09/2019 | EASA CM-21.A-D-002 page |
| EASA CM-AS-009 | Certification of aircraft systems with databases | 01 | 00 | 23/07/2019 | EASA CM-AS-009 page |
| EASA CM-21A/21.B-001 | Criteria for the determination of the EASA level of involvement in product certification | 02 | 00 | 20/09/2019 | EASA CM-21A/21.B-001 page |
| EASA CM-AS-010 | FLARM system installations in CS-23, CS 27 and CS-29 aircraft | 01 | 01 | 03/05/2019 | EASA CM-AS-010 page |
| EASA CM-FT-004 | Helicopter Terrain Awareness and Warning System and Ground Proximity Warning System alerting functions for Offshore Operations | 01 | 00 | 30/04/2019 | EASA CM-FT-004 page |
| EASA CM-MRB-001 | Maintenance Review Board Report/ Maintenance Type Board Report Development process | 02 | 00 | 31/10/2019 | EASA CM-MRB-001 page |
| EASA CM-S-010 | Composite Materials - The Safe Design and Use of Monocoque Sandwich Structures in Principal Structural Element Applications | 01 | 00 | 29/11/2018 | EASA CM-S-010 page |
| EASA CM-21.A-A-001 | Parts Detached from Aeroplanes | 01 | 00 | 29/11/2018 | EASA CM-21.A-A-001 page |
| EASA CM-S-009 | Loading Conditions for Occupant Safety in Cabin Interiors | 01 | 00 | 17/10/2018 | EASA CM-S-009 Issue 01 page |
| EASA CM.21.A-D-001 | Interpretation to 21.A.3B(c)(1) and 21.A.103(a)(2)(i) | 01 | 00 | 20/08/2018 | EASA CM.21.A-D-001 page |
| EASA CM-21.A-E-001 | Approved Model List Changes | 01 | 00 | 15/08/2018 | EASA CM-21.A-E-001 page |
|
Evaluation of aisle width with respect to seat installations |
01 |
01 |
25/07/2018 |
EASA CM-CS-007 page |
|
| EASA CM-ECS-001 | Minimum qualification standards for oxygen cylinders used on board aircraft | 01 | 00 | 23/05/2018 | EASA CM-ECS-001 page |
| EASA CM-S-012 | 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) | 01 | 00 | 30/04/2018 | EASA CM-S-012 page |
| EASA CM-SWCEH-001 | Development Assurance of Airborne Electronic Hardware | 01 | 02 | 08/01/2018 |
EASA CM-SWCEH-001 page |
|
Single Event Effects (SEE) Caused by Atmospheric Radiation |
01 | 00 | 08/01/2018 |
EASA CM-AS-004 page |
|
| EASA CM-PIFS-013 | The integrity of nickel powder metallurgy rotating critical parts for gas turbines | 01 | 00 | 27/10/2017 | EASA CM-PIFS-013 page |
| EASA CM-ES-003 |
EASA CM-ES-003 Guidance to Certify an Aircraft as PED tolerant |
01 | 00 | 23/08/2017 | EASA CM-ES-003 page |
| EASA CM-S-006 |
Certification, Type Design Definition, Material and Process Qualification for Composite Light Aircraft |
01 | 00 | 13/07/2017 | EASA CM-S-006 page |
| EASA CM-CS-008 | Large Aeroplane Evacuation Certification Specifications – Cabin Crew Members Assumed to be On Board | 01 | 00 | 03/07/2017 | EASA CM-CS-008 page |
| EASA CM-PIFS-012 | Critical Parts – Lifing Shortfall | 01 | 00 | 30/05/2017 | EASA CM-PIFS-012 page |
| EASA CM-ICA-001 | Completeness and Timely Availability of Instructions for Continued Airworthiness | 01 | 00 | 02/05/2017 | EASA CM-ICA-001 page |
| EASA CM-MMEL-001 | Engine Time Limited Dispatch (TLD) and Master Minimum Equipment List (MMEL) | 01 | 00 | 24/04/2017 | EASA CM-MMEL-001 page |
| EASA CM-S-008 | Additive Manufacturing | 03 | 00 | 30/04/2021 | EASA CM-S-008 page |
| EASA CM-AS-007 | Acceptance of Electronic Flight Instrument Systems that have no equipment approval (ETSO) in Small Aeroplanes (ELA1) | 01 | 00 | 27/03/2017 | EASA CM-AS-007 page |
| EASA CM-AS-008 | Installation of ELTs | 01 | 00 | 12/12/2016 | EASA CM-AS-008 page |
| EASA CM-PIFS-011 | Determination of an Unsafe Condition for Risk of Rotorcraft Engine In-Flight Shut-Down (IFSD) and Power Loss | 01 | 00 | 30/11/2016 | EASA CM-PIFS-011 page |
| EASA CM-HS-004 CS 27/29.865 |
Safety considerations covering External Loads |
01 | 00 | 25/07/2016 | |
| EASA CM-AS-006 | Certification of airborne systems using Light Amplification by Stimulated Emission of Radiation (LASER) with high energy | 01 | 00 | 10/06/2016 |
EASA CM-AS-006 page |
|
Superseded by ED Decision 2020/019/R |
Development of OSD for Maintenance Certifying Staff | 01 | 00 | 29/10/2015 |
EASA CM-MCSD-001 page |
| EASA CM-RTS-002 |
Rotor Drive System – Gearbox “TBO Development” |
01 | 00 | 28/09/2015 |
EASA CM-RTS-002 page |
| EASA CM-S-005 | Bonded Repair Size Limits in accordance with CS-23, CS-25, CS-27, CS-29 and AMC 20-29 | 01 | 00 | 11/09/2015 |
EASA CM-S-005 page |
| EASA CM-S-007 | Post Certification Actions to Verify the Continued Integrity of Rotorcraft Critical Parts | 01 | 00 | 19/08/2015 |
EASA CM-S-007 page |
| EASA CM-CS-25-001 | Regulatory Significant Standards Differences for pair CS-25 Amendment 12 vs 14 CFR Part 25 Amendment 1 through 136 | 01 | 00 | 19/08/2015 |
EASA CM-CS-25-001 page |
| EASA CM-DASA-001 | Vibration Health Monitoring: Prioritisation of Maintenance Alerts | 01 | 00 | 02/07/2015 |
EASA CM-DASA-001 page |
|
Electrical Wiring Interconnection System Instructions for Continued Airworthiness |
01 |
01 |
15/06/2015 |
EASA CM-ES-002 page |
|
| EASA CM-PIFS-010 |
Turbine Engine Relighting In Flight |
01 | 00 | 29/04/2015 |
EASA CM-PIFS-010 page |
| EASA CM-S-003 | 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 | 01 | 00 | 26/02/2015 |
EASA CM-S-003 page |
| EASA CM-CS-005 | Helicopter External Loads Personnel Carrying Device System | 01 | 00 | 08/12/2014 |
EASA CM-CS-005 page |
|
Superseded by ED Decision 2019/011/R |
Clarifications to AMC 20-27 | 02 | 00 | 28/03/2014 |
EASA CM-AS-002 page |
| EASA CM-PIFS-004 | Rotorcraft – Oil Low Pressure Warning | 01 | 00 | 06/02/2014 |
EASA CM-PIFS-004 page |
| EASA CM-S-002 | Application of CS 25.561 (c)(2) 1·33 ‘Wear and Tear’ Factor - Frequent Removal of Interior Structures | 01 | 00 | 14/01/2014 |
EASA CM-S-002 page |
| EASA CM-S-004 | Composite Materials - Shared Databases - Acceptance of Composite Specifications and Design Values Developed using the NCAMP Process | 01 | 00 | 14/01/2014 |
EASA CM-S-004 page |
|
Superseded by ED Decision 2018/007/R |
Large Helicopter Main Gearbox Certification Requirements | 01 | 00 | 11/11/2013 |
EASA CM-RTS-001 page
|
| EASA CM-CS-004 | Flammability Testing of Interior Materials | 01 | 00 | 16/10/2013 |
EASA CM-CS-004 page |
| EASA CM-21.A-K-001 | Installation of new parts and appliances without an EASA Form 1 in European Light Aircraft | 01 | 00 | 21/06/2013 |
EASA CM-21.A-K-001 page |
| EASA CM-21.A-J-001 | Service Bulletins (SBs) related to Airworthiness Directives (ADs) | 01 | 00 | 21/06/2013 |
EASA CM-21.A-J-001 page |
| EASA CM-PIFS-008 | Regulatory Differences CS-E vs CFR 14 Part 33 (for validation by EASA of FAA certified engine types) | 01 | 00 | 28/02/2013 |
EASA CM-PIFS-008 page |
| EASA CM-PIFS-009 | Fuel Specification Changes | 01 | 00 | 28/02/2013 |
EASA CM-PIFS-009 page |
| EASA CM-PIFS-007 | Engine Critical Parts - Damage Tolerance Assessment - Manufacturing and Surface Induced Anomalies | 01 | 00 | 22/02/2013 | |
| EASA CM-CS-003 | Installation of 'Cargo Seat Bags' on Passenger Seats | 01 | 00 | 14/11/2012 |
EASA CM-CS-003 page |
| EASA CM-PIFS-006 | Guidance for Rain and Hail Ingestion Testing for Turbine Engines – Short Hail Burst | 01 | 00 | 02/08/2012 |
EASA CM-PIFS-006 page |
| EASA CM-PIFS-005 | Guidance for Rain and Hail Ingestion Testing for Turbine Engines – Ice Accretion | 01 | 00 | 31/07/2012 |
EASA CM-PIFS-005 page |
| EASA CM-PIFS-003 | Turbine Over-speed Resulting from Shaft Failure | 01 | 00 | 31/07/2012 |
EASA CM-PIFS-003 page |
| EASA CM-AS-001 | Quality of Recording of Cockpit Voice Recorders | 01 | 00 | 12/06/2012 |
EASA CM-AS-001 page |
| EASA CM-ES-001 | Certification of Power Supply Systems for Portable Electronic Devices | 02 | 00 | 09/10/2020 |
EASA CM-ES-001 page |
| EASA CM-S-001 | Compliance with CS-25 Bird Strike Requirements | 01 | 00 | 11/04/2012 |
EASA CM-S-001 page |
|
Superseded by ED Decision 2017/020/R |
Software Aspects of Certification | 01 | 01 | 09/03/2012 |
EASA CM-SWCEH-002 page |
| EASA CM-PIFS-002 | Approval of Engine Use with a Thrust Reverser | 01 | 00 | 08/03/2012 |
EASA CM-PIFS-002 page |
| EASA CM-PIFS-001 | Large transport aircraft: Fire withstanding capabilities of composite wing containing fuel tank | 01 | 00 | 19/12/2011 |
EASA CM-PIFS-001 page |
| EASA CM-CS-002 | Access to and Opening of Type III and IV Exits on Aeroplanes with Passenger Seating Capacities of 19 or Fewer | 01 | 00 | 19/09/2011 | EASA CM-CS-002 page |
| EASA CM-CS-001 | Use of Aircraft Materials Fire Test Handbook # DOT/FAA/AR-00/12 | 01 | 00 | 07/09/2011 |
EASA CM-CS-001 page |
| EASA CM-HS-001 | Respecting Brake Energy Qualification Limits | 01 | 00 | 24/08/2010 |
EASA CM-HS-001 page |