requesting alternate routing whilst enroute
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requesting alternate routing whilst enroute
Hello
I have the following question which mostly concerns European airspace . Can the crew of an airliner whilst en route , request to proceed to the destination via alternate airways that they define to ATC ?. The request may involve airways well beyond the area of responsibility of the current area controller , and even beyond national FIRs , requiring coordination between more than 1 adjacent ACCs . I suppose during daytime it would be very hard to do so , but i've done some all night flights in which things are quiet enough to be seen possible
I have the following question which mostly concerns European airspace . Can the crew of an airliner whilst en route , request to proceed to the destination via alternate airways that they define to ATC ?. The request may involve airways well beyond the area of responsibility of the current area controller , and even beyond national FIRs , requiring coordination between more than 1 adjacent ACCs . I suppose during daytime it would be very hard to do so , but i've done some all night flights in which things are quiet enough to be seen possible
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During the night I can't see it being much of a problem, but again it depends on how far from your original route you want to stray. If it was staying within the same FIR and coordination with the next sectors was easy enough then it shouldn't be too much of a problem. It gets a lot more complicated if you're going a long way
During the day, then it wouldn't be allowed. The only way round it would be for the company to refile the flight plan before take off. By sending you a different way it can take you into sectors or an FIR that wasn't expecting you and hadn't planned for you when deciding traffic flows. You could be the straw that breaks the camel's back - it's happened before.
During the day, then it wouldn't be allowed. The only way round it would be for the company to refile the flight plan before take off. By sending you a different way it can take you into sectors or an FIR that wasn't expecting you and hadn't planned for you when deciding traffic flows. You could be the straw that breaks the camel's back - it's happened before.
Last edited by The Many Tentacles; 29th Oct 2013 at 06:04.
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It can be done (and has been) but the more complex the reroute (ie entering more than one extra/different FIR) then the more likely the refusal by ATC. There are several things to consider when rerouting including flow control (even if staying inside a single FIR) and if you have the right diplomatic clearances for overflying certain countries. I'd say that if you require a reroute, you have a very good reason for requesting one.
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To Rodan
One scenario i can mention right now is significant WX enroute that stretches to a great distance. The dispatcher plans the route with the data he/she has at that time . These may change . One could advise to keep with constant weather avoidance headings , but in the long run it creates more workload for pilots and ATC.
Another scenario is to discover that the winds aloft stated in the NAVLOG, differ significantly from the actuals ( a couple of times we were able to discover that there were much better winds more north or south of our track ,(not corresponding to the ones we had on our wx charts) by keeping contact with company traffic heading for other destinations)
Another scenario is to discover that the winds aloft stated in the NAVLOG, differ significantly from the actuals ( a couple of times we were able to discover that there were much better winds more north or south of our track ,(not corresponding to the ones we had on our wx charts) by keeping contact with company traffic heading for other destinations)
Last edited by stickN'rudder007; 29th Oct 2013 at 16:57.
