CAP670 SA 2026/01: Addition of SSR 3A 7400 as a Special Purpose Code

The purpose of this Supplementary Amendment (SA) to the Air Traffic Services Safety Requirements (CAP670) is to add the SSR code A7400 to the list of Special Purpose Codes.

This Supplementary Amendment has been issued as a consequence of changes to the Manual of Air Traffic Services (MATS) Part 1 (CAP493) and the associated Supplementary Instruction CAP493/SI/2026/01.