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: 20th July 2022
4th November 2019 835 Jean-Francois LepageATS

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Jean-Francois Lepage