ATC over the Atlantic Flashcards
Who is responsible for UKs part of air traffic control over the North Atlantic?
Shanwick Oceanic Control Area based at Prestwick
Who does the UK share control of the atlantic airspace with?
Portugal, the USA, Canada, and Iceland.
Define the area containing the Eastern Atlantic FIR that NATs is responsible for?
Between Latitudes 45 degrees North and 61 degrees North, and Westward to longitude 30 degrees West.
Usually, how often must pilots report their position in the Eastern Atlantic area?
Every 10 degrees of longitude.
Where is HF radio contact maintained with traffic in the Eastern Atlantic?
Shannon, in the west of Eire.
How is traffic over the Atlantic organised?
A system of organised tracks, A-E.
How often are tracks across the Atlantic constructed?
Every 12 hours
Who constructs the tracks across the Atlantic?
The relevant Oceanic Area Control Centre (OACC)
What is the purpose of tracks across the Atlantic?
To accommodate as many aircraft as possible, as economically as possible. Ensuring the track takes into account the prevailing wind, the tailwind is advantageous as it allows for quicker and more fuel economical flights.
Who is responsible for posting the Westbound track structure?
Prestwick Oceanic Area Control Centre (OACC)
When does Prestwick OACC publish its westbound tracks over the Atlantic?
Between 1000hrs and 1600hrs.
What does clearance to cross the atlantic ocean include?
Track, Flight Level, Speed, and any time restrictions on entry.
Who does Oceanic Area Control Centres coordinate with when planning tracks?
adjacent OACCs as well as domestic ATC to ensure demand can be met with sufficient capacity.
What horiztonal seperation is required on tracks over the atlantic?
60 nautical miles
What vertical seperation is required on tracks over the atlantic?
1000ft vertically within Reduced Vertical Seperation Minima (RVSM)
