Voir http://newsletter.siebert.aero/show_mailing.php?id=5445040&h=124531-1ca23cd19883625bff96e21a6f44c981
TMZ ?
Transponder mandatoty zone https://skybrary.aero/articles/transponder-mandatory-zone-tmz CAA (UK) : https://publicapps.caa.co.uk/docs/33/20220113-Policy_for_RMZ_and_TMZ.pdf…