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BLUE MED - www.bluemed.aero
SESAR - www.sesarju.eu
ESSP - European Satellite Services Provider: www.essp-sas.eu
European Union - http://europa.eu 
European Commission - http://ec.europa.eu 
CANSO - Civil Air Navigation Services Organisation: www.canso.org
EUROCONTROL - European Organisation for the Safety or Air Navigation: www.eurocontrol.int
IATA - International Air Transport Organisation: www.iata.org 

ICAO - International Civil Aviation Organisation: www.icao.int 
Ministry of Infrastructures and Transport - www.mit.gov.it 
Ministry of Economy and Finance - www.mef.gov.it 
ANSV - Agenzia Nazionale per la Sicurezza del Volo - www.ansv.it 
ENAC – Italian Civil Aviation Authority - www.enac.gov.it
Assaereo - www.assaereo.it
Assaeroporti - www.assaeroporti.it
Assoclearance - http://www.assoclearance.it/index.asp
ASI – Agenzia Spaziale Italiana: www.asi.it 
AEA - Association of European Airlines:  www.aea.be 
ATAG - Air Transport Action Group: www.atag.org
IFATCA - International Federation of Air Traffic Controllers Association: www.ifatca.org
IFATSEA - International Federation of Air Traffic Safety Electronics Association: www.ifatsea.org