"whisky-dave" wrote in message
...
On Friday, 15 December 2017 12:54:58 UTC, Bob Eager wrote:
On Fri, 15 Dec 2017 11:59:43 +0000, Tim Streater wrote:

In article , Bob Eager
wrote:

On Fri, 15 Dec 2017 02:24:24 -0800, whisky-dave wrote:

The economical cruise altitude rises as the plane gets lighter, so
they want to climb gently all the way across the ocean.

But they don't do that.
They don't take the shortest route from A-B they take a route where
they can be tracked.
Friend flew from gatwick to cacun on tuesday explan why they didn't
just fly directly across the ocean

You don't really understand map projections, do you?

Am I missing something here? Is the inebriated one referring to Cancun
(Yucatan peninsular, Mexico)?

why not take the What's your drinking nationality...
http://www.bbc.co.uk/news/health-30500372



Take the which If so, a great circle route would appear
to take one across the Atlantic and down the East US coast, across the
tip of Florida to Cancun.

He is. It's useless explaining to him, though.

you mean you can't explain why the aircraft 'hugs' the cost

They dont.

and has to stay in a particular corridors .

Because until recently, it wasnt feasible to track heavys everywhere
and its taking time to move to the new approach that ACARS allows.

Can you explain why it's important for an aircraft to be on radar

That hasnt been true for a long time now.

so that other planes know where you
are at a point in time and space ?

Thats only important in the high traffic areas around major airports.