Air Traffic Service
means a service provided for the purpose of safe and efficient conduct of flight, expeditious and orderly flow of air traffic, assisting in aircraft search and rescue, and includes—
a)an aerodrome control service;
b)an approach control service;
c)an area control service;
d)an approach radar control service;
e)a flight information service;
f)an aerodrome flight information service;
g)an area radar control service;
h)an advisory service; and
i)an alerting service;