Heli Tango Whiskey negative it's fine if you want you can monitor the frequency but it's up to you if you stay  outside of CTR all the time 
LSZB
Bern
Tower
ABARI ALETO AMRID ARNOT ARVAN ASBER BADEP BALIR BASUD BELAR BENOT BERSU BIRKI BOMEC DEKAM DOPIL DOUCI EKTUM ERMUS ESEVA ETEKI GODRA GUDAX IXUDI KONOL KORED KUBOM LAMUR LARDO LASUN LEPLA LUMEL LUTIX MASAB MEBOX MONIN NAXOL NEMAG NEMOS NOLKA OBEDU OLBEN OSKUP RAMOK REVLI ROMOM ROTOS SOSAL SUREP TADOB TELNO ULMES UMTOP VADAR VALAD VEBIT
ABR738 HBCIA HBGLS HBHZD HBKGN HBKGO HBKGP HBKMO HBKMP HBLVB HBOAG HBPHG HBPKG HBYKG HBZTW HBZWC HBZWF IBE30PG LAS135 LAS7 N3YZ N8SQ RGA03 SAS1811 SUI018 SWT560P T7MSP  
Contract Halisa Heliblue Iberia Royal Ghana Scan Swiss Air Force Swift