Transponder Mandatory Zones (TMZ), defined areas in which the carriage of an operational transponder is required, have been implemented in several states to improve safety.
IFATCA Policy is:
All aircraft operating as IFR flights shall be equipped with a pressure-altitude reporting transponder.
|See: Resolution B5 – WP 90 – Kathmandu 2012|
Last Update: July 20, 2022
November 4, 2019 526 Jean-Francois Lepage ATS