Airport Slots

Question 1

How many levels for airports do exist concerning airport slots?

Answer 1

3 levels

Question 2

Categorization of Airports (short version):
Level 1 Airport
Level 2 Airport
Level 3 Airport

Answer 2

Level 1: no airport slots required/allocated
Level 2: no airport slots required/allocated
Level 3: airport slots are mandatory; also adhering to the slots allocated is mandatory

Question 3

To what times do the slots refer to?

Answer 3

Planned times of operation are based on the planned on-block (arrival) and off-block (departure)
times. Actual times of arrival and departure may vary due to operational factors

Question 4

What types of messages for a slot request do exist?

Answer 4

SCR = slot clearance request (level 3 airports)
SMA = Schedule message advice (level 2 airports)
SIR = Message to request any slots held by the coordinator

Question 5

What computer programs/websites do exist to request or cancel slots?

Answer 5

Netline Slot
Online Coordination Systems OCS
e-Airportslots.aero