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Old 01-31-2013 | 07:46 PM
  #121580  
SailorJerry
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Joined: Feb 2012
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From: A big one that looks like a little one
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Originally Posted by forgot to bid

Well, you're very precise. I guess I'm a measure once and cut twice type. But a few minutes here or there I just chalk that up to traffic (short final to 28 or way out there by Alabama landing on 8L). I've looked down and seen the ETE entered into the ACARS be pretty spot on but it'd be a good question to know if they're using favoring winds to determine approaches and therefore landing times. I'd say taxi times can be way off, but vast majority of the time that's in our favor.

I don't do a full HOWZITHANGIN unless I'm bored or it's a CUN type flight. When I do it I've never really seen a 600 lb difference that cannot be explained. I just run the CI that's on the flight plan though unless there is a good reason to go higher. Of course sometimes you go 3 hours staring at a yoke in a bank and those fading white indicators out of trim, but I don't tell anyone how to fly. Probably doesn't help fuel burn.

Next time I fly I'll watch it but I can't say I've seen anything that jumped out at me.
Just boredom. I like to split hairs on stuff like that. The FAA interpretation of "planned fuel burn" and the process in use at most carriers is night and day.

In the Sabre flight planning software you could tweak how much extra time and gas each airport got. Chicago and Atlanta was 10-12 minutes, Jackson, MS was 0. You just tracked the overtime and overburn and...

Ahhh forget it.