Air Traffic Control Services

Question 1

What is a Controlled Flight? How is clearance requested?

Answer 1

A flight which has ATC clearance, by requesting clearance through submission of a flight plan

Question 2

Under what circumstances must you inform ATC about your speed and time?

Answer 2

If true air speed (TAS) between reporting point varies between + or - 5% of that filed in the flight plan, ATC must be informed

If the estimated time of arrival between reporting points varies by more than 3 mins, ATC must be informed

Question 3

What are the options for VFR if no longer able to operate in VMC?

Answer 3

• Request amended clearance to continue in VMC or leave airspace with ATC clearance required
• If no clearance is obtained, continue in VMC and inform ATC
• If in a controlled zone, request special VFR
• Request IFR clearance