Systems group

The Electrical Systems Section (C.2.3)

The Electrical Systems Section Areas of Technical Expertise  are:

  • Electrical Systems (ATA 24)
  • Lights (ATA 33)
  • HIRF/Lightning/EMC (ATA 39)
  • EWIS (ATA 92)

The  Electrical Systems Section is active on following domains:

  • Certification/Validation
  • Continued Airworthiness
  • Rulemaking
  • Support to Organisation, Training,
  • Safety Recommendations
  • Related Products & Specifications
  • Large Airplane (CS 25)
  • General Aviation (CS 23)
  • Rotorcraft (CS 27&29)
  • Parts and Appliances (ETSO)

The Avionics Systems Section (C.2.4)

The Avionics Systems Section is responsible for:

  • ATA 22 “Auto Flight Systems”;
  • ATA 23 “Communication Systems”;
  • ATA 31 “Indicating and Recording Systems”;
  • ATA 34 “Navigation Systems”;
  • ATA 42 “Integrated Modular Avionics (IMA)”
  • ATA 206 “Information Security”;

In this context the Avionics Section is dealing with:

  • Investigating, as part of Certification Teams (Large Aeroplanes, General Aviation, and Rotorcraft etc.), avionics systems for compliance with airworthiness requirements;
  • Performing the relevant certification steps under the coordination of the PCM, liaising as necessary with other disciplines’ experts, as appropriate;
  • Contributing to the approval of repairs, changes, service instructions and Supplemental Type Certificates (STCs) on corresponding products;
  • Participating in the development of interpretations of existing requirements, where necessary, to cover new technologies, novel applications of existing technology, and novel proposals for compliance showing;
  • Providing advice in the development of new airworthiness requirements, including relevant parts of Certification Specifications and advisory and guidance material in co-operation with the EASA Rulemaking Directorate;
  • Contributing to the development and interpretation of policies and requirements in the avionics area, and providing a source of expertise to the Agency;
  • Ensuring that required avionics safety standards are maintained post-Type Certification by assessing relevant information, including service experience, and taking appropriate follow up action where necessary;
  • Ensuring that service defects relevant to avionics systems are investigated and all necessary actions are taken to maintain safety standards;
  • Providing a source of assistance and expert advice both within and outside the Agency;
  • Providing technical and policy advice to Industry, Academic Organizations and Governments, when deemed necessary.

The Safety, Software and Airborne Electronic Hardware Section (C.2.5)

  • The areas of Technical Expertise  of the Safety, Software and Airborne Electronic Hardware section are:
  • Software development process
  • Airborne Electronic Hardware (AEH) development process
  • Safety Assessment process
  • Development Assurance process
  • With regards to his domain of expertise, the Section has to:
  • Deal with Product Certification (including Continued Airworthiness)
  • Support the Rulemaking Directorate (e.g. Eurocae WG71 and WG63, CS.xx, AMC-20, etc.)
  • Support the Approval and Standardisation Directorate (DOA, Accreditation, etc.)
  • Initiate research activities related to Safety, SW and AEH on behalf of the Safety Analysis and Research Department

The Powerplant Section (C.2.6)

The Powerplant Section is dealing with certification activities related to:

  • Powerplant installation
  • Fuel and inerting systems,
  • Unpressurised areas fire protection.

Powerplant installation consists in integration into the airframe of the engines, propellers and auxiliary power units certified or qualified by the propulsion section.
The Powerplant Section is also involved in ETOPS assessment.

The Cabin Safety and Cabin Crew Section (C.2.7)

The Cabin Safety and Cabin Crew Section is involved in the following activities,

  • Evaluation of Cabin Safety related design applications for compliance with airworthiness design requirements, under the coordination of the Project Certification Manager (PCM) and in cooperation with experts of other disciplines, including flight standards. This includes projects ranging from large aircraft, to general aviation and rotorcraft. The main technical areas covered by the cabin safety section include fire protection of occupied areas and cargo compartments, occupant crashworthiness aspects, emergency evacuation and cargo loading and restraint systems.
  • Generation of Operational Suitability Data in the area of cabin crew training.
  • Ensuring that required Cabin Safety standards are maintained post-Type Certification by assessing relevant information, including service experience, and by taking appropriate follow up action where necessary.
  • Participation in the development of interpretations of existing Cabin Safety requirements to cover issues such as new technologies, novel applications of technologies and novel proposals for compliance showing.
  • Provision of advice in the development of new Cabin Safety related airworthiness requirements, including relevant parts of EASA Certification Specifications and operational rules, and related advisory and guidance material, in cooperation with the EASA Rulemaking Directorate.
  • Acting as a source of advice for EASA’s assessment of approved design organisations, and accreditation and standardisation oversight of EU National Airworthiness Authorities (NAAs)
  • Acting as a source of assistance and advice outside the Agency (i.e. to industry, academic organisations and governments).

The Environmental Control Systems Section (C.2.8)

The Environmental Control Systems (ECS) Section is dealing with certification activities related to:

  • Air Conditioning and Pressurisation systems [ATA 21],
  • Ice Protection systems [ATA 30],
  • Oxygen systems [ATA 35],
  • Bleed air systems [ATA 36] 
  • Water & Waste systems [ATA 38]

The section is also providing support with its expertise to various EASA Directorates such as Safety Analysis & Research, Rulemaking and Approvals & Standardisation.

The Hydro-Mechanical Systems Section (C.2.10)

The Hydro-Mechanical Systems Expert Section is responsible of:

  • Flight Control System [ATA 270 on Airplane / 670 on Rotorcraft];
  • High Lift System [ATA 275];
  • Hydraulics [ATA 290];
  • Landing Gear Systems and Wheels, Tyres & Brakes [ATA 320];
  • Fuselage Doors [ATA 520];
  • Helicopter Hoist installation;
  • RAT Mechanical systems .
for the following Activities:
  • Certification/Validation;
  • Continued Airworthiness;
  • Rulemaking;
  • Support to Investigations and response to Safety Recommendations;
  • Support to DOA, Flight Standards (MRB, MMEL), Accreditation activities and Training.

and Related Products & Specifications:

  • Large Aeroplane [CS 25]
  • General Aviation [CS 23]
  • Rotorcraft [CS 27 & 29]
  • Parts & Appliances [CS ETSO]
  • Very Light Aeroplanes [CS VLA]
  • Very Light Rotorcraft [CS VLR]
  • Hot Air Ballons [CS 31HB]
  • Sailplanes and powered sailplanes [CS 22]

Relevant Certification application forms are available under the Application Form page.

If you have any questions related to Systems group activities, please send an e-mail to: