*Brief flight crews on all operational matters in order to allow them to conduct safe and efficient flight operations*Produce optimized computerized flight plans*Maintain up to date awareness of the weather forecast and the serviceability of essential en-route and terminal facilities*Maintain continuous communications watch 24/7*Ensure adherence to relevant regulations and operational procedure during the flight planning in accordance with national and international applicable legislation*Calculate aircraft performance*Provide authorities and air traffic control agencies with the most up to date ATC flight plans