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 734 Jean-Francois Lepage ATS