NATS provides safe and efficient air traffic services and innovative solutions to UK and international airports, airlines and governments. It is the UK’s leading provider of air traffic control services. Each year NATS handle 2.4 million flights and 250 million passengers in UK airspace. Providing solutions to critical issues faced by the aviation industry around the world NATS have built their reputation on delivering a first rate service and tackling complex projects within the industry. NATS has worked with ESA on many programmes over the years, particularly on Galileo and EGNOS, and most recently as part of the Inmarsat-led consortium on the IRIS programme.