The primary scope of WG-31 is to prepare technical standards, specifications, guides and any other material required to support the development of regulation and the certification of aircraft in relation to Electromagnetic hazards such as lightning protection, electromagnetic compatibility (EMC), High Intensity Radiated Fields (HIRF) etc.
| ED-105 | Aircraft Lightning Test Methods | Superseded | Date of Publication: 30/04/2005 |
| ED-105A | Aircraft Lightning Test Method | Superseded | Date of Publication: 01/07/2013 |
| ED-105B | Aircraft Lightning Test Methods | Published | Date of Publication: 28/01/2025 |
| ED-107A | Guide to certification of Aircraft in a High Intensity Radiated Field (HIRF) Environment | Published | Date of Publication: 01/07/2010 |
| ED-107B | Guide to Certification of Aircraft in a High-Intensity Radiated Field (HIRF) Environment | Draft | Target Publication Date: 31/12/2025 |
| ED-113 | Aircraft lightning direct effects certification | Published | Date of Publication: 01/09/2002 |
| ED-113A | Aircraft Lightning Direct Effects Certification | Draft | Target Publication Date: 31/12/2027 |
| ED-152 | Aircraft Precipitation Static Certification | Published | Date of Publication: 01/06/2010 |
| ED-158 | User Manual for certification of aircraft Electrical and Electronic systems for the indirect effects of lightning | Published | Date of Publication: 04/04/2020 |
| ED-158A | Guide for Certification of Aircraft Electrical/Electronic Systems for the Effects of Lightning | Draft | Target Publication Date: 30/09/2026 |
| ED-248 | Guide to Civil Aircraft Electromagnetic Compatibility (EMC) | Published | Date of Publication: 01/05/2018 |
| ED-248A | Guide to Civil Aircraft Electromagnetic Compatibility (EMC) | Draft | Target Publication Date: 30/09/2026 |
| ED-303 | User Guide for Lightning Protection of Fuel Tank Structures and Systems | Published | Date of Publication: 21/04/2023 |
| ED-338 | Guide for Conducting a HIRF and Lightning Safety Assessment (HLSA) | Draft | Target Publication Date: 31/12/2025 |
| ED-81 | Certification of aircraft electrical/electronic systems for the indirect effects of lightning | Published | Date of Publication: 01/05/1996 |
| ED-84 | Aircraft lightning environment and related test waveforms standard | Superseded | Date of Publication: 01/08/1997 |
| ED-84A | Aircraft Lightning Environment and Related Waveforms | Superseded | Date of Publication: 01/07/2013 |
| ED-84B | Aircraft Lightning Environment and Related Test Waveforms | Published | Date of Publication: 10/10/2024 |
| ED-91 | Aircraft Lightning Zoning Standard | Superseded | Date of Publication: 01/07/1998 |
| ED-91A | Lightning Zoning | Published | Date of Publication: 04/01/2019 |
| ED-xxx | Guidance for fuel tank certification regarding electrostatic risk | Draft | Target Publication Date: 30/09/2027 |
| ED-xxx | Guidance for the use of Simulation to Support Aircraft Certification for Lightning and other Electromagnetic Hazards | Draft | Target Publication Date: 30/06/2027 |
| ER-002 | Policy Guidance for Fuel Tank Structural Lightning Protection Policy | Published | Date of Publication: 01/02/2011 |
| ER-006 | Intermediate Guidance Material for Compliance Demonstration Related to Lightning Protection of Fuel Tank Structure 25.981 Requirements | Superseded | Date of Publication: 31/12/2014 |
| ER-021 | Report and Outcome of Round Robin Camera Detection Process Verification and Validation | Published | Date of Publication: 26/08/2020 |
| ER-XXX | Guidance material supporting the application of ED-14H Section 22 | Draft | Target Publication Date: 30/06/2026 |
| ER-XXX | Users guide to ED-14 Section 22 and to ED-14 Section 23 | Draft | Target Publication Date: 31/12/2026 |
| ER-xxx | Electromagnetic Interference (EMI Management) for Very High-Power Systems | Draft | Target Publication Date: 31/12/2028 |
