Originally Posted by
Airbubba
Descending 24000 feet in 14:31 gives a little under 1700 feet per minute, fairly reasonable I would say. Check my math(s), like timezones, this stuff is easy (for me) to mess up.
No, looking at the discrete data your maths do look correct. It is easy to misjudge the timings from the graphs a bit, which I obviously did.
OK, 1700fpm seems reasonable. That should be roughly what an A320 does in flight idle.