We are pleased to announce the availability of the following draft EUROCAE document prepared by EUROCAE WG-75 “Traffic Alert and Collision Avoidance Systems (TCAS)” for Open Consultation:

Draft ED-256 Ch. 1 “MOPS for ACAS Xa with ACAS Xo functionality Change 1”

Change 1 to ED-256 contains changes to requirements and tests that were are required to correct issues found during first implementations. During the first Open Consultation additional comments were raised against ED-256. These comments led to additional change proposals which on request of EASA and FAA shall be included in Change 1. The respective information was added to the Chaneg 1 document in chapters 1.16 to 1.20. These chapters are the main focus of the second Open Consultation.
posted on the EUROCAE workspace.

You are invited to review the proposed draft and complete the comment form. Early replies are

All comments must be submitted by 8/3/2019 12:00:00 AM.