NAS (Northern Aviation.) is a provider of Shell Fuel products, FBO services and line service at the Greater Sudbury Airport,ON (CYSB) Northern Aviation Services has been intricately involved in aviation in Sudbury for the past 13 years. We became the Shell Aviation Dealer and shortly after began to diversify our operation into ground handling services. We are located in Northern Ontario, just north of cottage country. Our fleet of fuel trucks are ready to go 24 hours a day, 7 days a week. Whether it is a short stay,or a longer stay, Northern Aviation Shell is equipped to handle your FBO needs. more... See more text