FPL, CTOTS & Reroutes

Question 1

What is a CTOT?

Answer 1

Calculated take of time. The flight may take off 5 minutes before to 10 minutes after CTOT time. If slot is missed, ring FLOW for an extension.

Question 2

What is the EOBT?

Answer 2

Estimated of blocks time. Flight may depart 30 minutes either side of this time. If it misses after one hour, call up to understand the reason for delay.

Question 3

When would you need to call FLIGHT PLANS?

Answer 3

FLIGHT PLANS need to be called if the control wants to check if a flight has any DLA going into a GS airport.

“Oxford Tower, is there any DLA going into (airport) for (callsign).”

Question 3

What steps should be taken when a flight cancels?

Answer 3

1. Take off of strip board
2. Delete from FDMS
3. Tell RAD ATSA
4. Take off of slot sheet

Question 4

If a student calls requesting to cancel slot, what should you do?

Answer 4

Remove strips for that flight but leave slot on the slot sheet as the training school may use it to book out another plane.

Question 5

When is an ARR/DEP message required?

Answer 5

An ARR/DEP message is needed if flight is VFR with a flight plan (speed).

Question 6

What is required for an ARR/DEP message?

Answer 6

Various codes are needed for ARR/DEP messages which can be found on the sheet. Transmit these once complete.