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Forum: Middle East

26th Sep 2017, 18:10

Replies: 137

Emirates A388 - Moscow UUDD, GA from 400 feet AGL, 8nm out.

Views: 146,797

Posted By Discorde

It's likely as you read this that there are...

It's likely as you read this that there are several aircraft around the world flying with mis-set or mis-read altimeters. Some pilots will have omitted to change from QNH to standard when climbing...

Forum: Middle East

25th Sep 2017, 12:13

Replies: 137

Emirates A388 - Moscow UUDD, GA from 400 feet AGL, 8nm out.

Views: 146,797

Posted By Discorde

Back-up (pressure) altimeters would have local...

Back-up (pressure) altimeters would have local sea level air pressure value sent to them automatically by data link (with a readout of this figure available for cross-checking against forecast...

Forum: Middle East

23rd Sep 2017, 17:55

Replies: 137

Emirates A388 - Moscow UUDD, GA from 400 feet AGL, 8nm out.

Views: 146,797

Posted By Discorde

All primary altimetry would be based on GPS. As...

All primary altimetry would be based on GPS. As back-up pressure altimeters would be set to local QNH (or 'altimeter' in the US). Light aircraft (the Cub or C152) would use local QNH if not equipped...

Forum: Middle East

23rd Sep 2017, 11:05

Replies: 137

Emirates A388 - Moscow UUDD, GA from 400 feet AGL, 8nm out.

Views: 146,797

Posted By Discorde

Discontinue use of QFE (and demand Russia does...

Discontinue use of QFE (and demand Russia does likewise).

Discontinue use of pressure altimeters (and thereby eliminate setting errors) except as backup to GPS altimeters.

Discontinue...

Forum: Middle East

18th Sep 2017, 17:23

Replies: 137

Emirates A388 - Moscow UUDD, GA from 400 feet AGL, 8nm out.

Views: 146,797

Posted By Discorde

From 'How Airliners Fly': Curiously, for a...

From 'How Airliners Fly':

Curiously, for a technical industry, aviation has still not adopted standard units when quantifying parameters. Thus distances are measured in feet, metres, kilometres...

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