Publications

We are pleased to announce the publication of ED-313|OSED for Detect and Avoid (Traffic) in Class A to G Airspaces under IFR. This Operational Services and Environment Description (OSED) will support a performance-based regulation for non-segregated RPAS operation. It will cover required functions which meet the operational description, adding Remain Well Clear (RWC) as a neces ...

We are pleased to announce the publication of ED-89A Ch. 1|Change 1 to ED-89A Data-Link Application System Document (DLASD) for the “ATIS” Data-Link Service. Update the definition of the D-ATIS Data Link Service such that it allows the transmission of the extended length messages of the ICAO Global Reporting Format (GRF). ED-89A describes the requirements for a Data Link Servi ...

We are pleased to announce the publication of ED-256A|MOPS for ACAS Xa with ACAS Xo Functionality. Revision A of ED-256 MOPS for ACAS Xa with ACAS Xo Functionality will integrate Change 1 into the core specification and will implement a number of change proposals collected during initial implementations and the development of other ACAS X Variants. ED-256 consists of two Volume ...

We are pleased to announce the publication of ED-312|Guidance on Determining Failure Modes in Lithium-Ion Cells for eVTOL Applications. This document contains guidance on the definition and detection of lithium-ion cell failures, cell failure causes and materials level failure modes. It also informs on interdependencies between failure causes that may be considered when definin ...

We are pleased to announce the publication of ED-303|User Guide for Lightning Protection of Fuel Tank Structures and Systems. This document is intended to be a user’s manual to AC 25.954 1 on acceptable means of compliance for applicants with regards to 14 CFR 25.954 at Amendment 25 146 and to encourage a consistent approach to be applied across industry. This document is also ...

We are pleased to announce the publication of ED-308|Guidance on VTOL Charging Infrastructure. This document contains minimum requirements for VTOL Charging Infrastructure. This technical standard applies to electric vehicle supply equipment (EVSE) designated to conductively charge vertical take-off and landing aircrafts (VTOL) on vertiports. This technical standard is a collec ...

We are pleased to announce the publication of ED-114B change1|MOPS Global Navigation Satellite GBAS Ground Equipment to support Precision Approach and Landing. This is a change to ED-114B, MOPS for Global Navigation Satellite Ground Based Augmentation System Ground Equipment to support Precision Approach and Landing. Its purposes are: • To resolve findings that were identifi ...

We are pleased to announce the publication of ED-300|Guidance on Conducting an Aircraft Functional Hazard Assessment and Preliminary Aircraft Safety Assessment for a VTOL Using a Generic Example. A VTOL example is needed to show how aircraft-level Failure Conditions and their associated requirements can be flown down to system level, specifically for the highly-integrated funct ...

ED-300 ‘Guidance on Conducting an Aircraft Functional Hazard Assessment (AFHA) and Preliminary Aircraft Safety Assessment (PASA) for a VTOL Using a Generic Example’, which was developed by WG-112 on VTOL, was published on 7 November 2022.

We are pleased to announce the publication of ED-306|Design Considerations for VTOL Aircraft Protection From Uncontained High-Energy Fragments and Sustained Imbalance. The standard will cover: - Review the design consideration for high energy rotating devices in VTOL: Generators, E-Motors, Gear box etc. - Classification of debris & Assessment of fragment spread angle: inten ...