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Airbus Pilots - ground speed mini question

Old 05-24-2016, 02:27 PM
  #21  
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Originally Posted by flyboyike View Post
We had it going out of FLL last night. We were going to Vegas, and at 163,000lbs were too heavy to use 28L at all, and could do 28R at Flaps 3, TOGA, and packs off.
Was there a tailwind?
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Old 05-24-2016, 05:45 PM
  #22  
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Originally Posted by Grumble View Post
Was there a tailwind?
If memory serves, winds were something like 170/9, so yes, there was about 1kt of TW there somewhere.
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Old 05-24-2016, 07:21 PM
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This is PRECISELY why I don't read off the ZFW/TOCG to the captain. I want the captain to read it from the screen and enter it. As I am tearing off the TO data strip and folding it I am glancing at the data as he is entering it. By the time I've folded it he is entering the V speeds off the paper strip as I watch and verify.

Some captains seem to get a little peeved that I won't read it off until I point out "what if I read it off wrong?" I've trapped a few mistakes usually the wrong runway data. Let's both check it.
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Old 05-24-2016, 09:30 PM
  #24  
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Don't ya have the auto uplink function of takeoff data directly from the W&B page of MCDU?
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Old 05-24-2016, 10:21 PM
  #25  
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Originally Posted by flyboyike View Post
We had it going out of FLL last night. We were going to Vegas, and at 163,000lbs were too heavy to use 28L at all, and could do 28R at Flaps 3, TOGA, and packs off.
You'd have thought the ski-jump was a sure thing.
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Old 05-25-2016, 08:01 AM
  #26  
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Originally Posted by coopervane View Post
This is PRECISELY why I don't read off the ZFW/TOCG to the captain. I want the captain to read it from the screen and enter it. As I am tearing off the TO data strip and folding it I am glancing at the data as he is entering it. By the time I've folded it he is entering the V speeds off the paper strip as I watch and verify.

Some captains seem to get a little peeved that I won't read it off until I point out "what if I read it off wrong?" I've trapped a few mistakes usually the wrong runway data. Let's both check it.
I've had CAs that tell me to enter it myself when I'm the PF - which is contrary to procedure and makes me uncomfortable. There's no cross check and because I don't do it that often it can generate an error. Side note - also had CAs that tell me to take it to the gate or line up on the runway. I've been a CA before so I know how to work a tiller - again contrary to procedure - but don't scream at me when I move at baby speed because I'm trying to keep it smooth as I do it about 1 in a hundred flights.
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Old 05-26-2016, 02:27 AM
  #27  
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The crazy Frenchman in GS mini will over speed the flaps in a 50 knot plus headwind. Works better in selected than managed strong winds.
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Old 05-28-2016, 08:14 PM
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Originally Posted by Std Deviation View Post
If everyone else is flying indicated and my aircraft is changing indicated speed to target a groundspeed it seems this would affect time based separation standards - including those recently established as part of the new wake turbulence recat. Thoughts on this? Issues?
The short answer is that if you had 15kts overtake on the aircraft in front of you, you'd gain half a mile on the traffic in front of you in the 2 minutes from the marker to the runway. Not enough to matter.
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Old 05-29-2016, 02:34 PM
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Originally Posted by ShyGuy View Post
Don't ya have the auto uplink function of takeoff data directly from the W&B page of MCDU?
We didn't until this week. We do now.
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Old 05-29-2016, 02:46 PM
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Originally Posted by Std Deviation View Post
Next question - performance churns out flaps 3 takeoff. CA incorrectly enters flaps 1 on FMS perf and I incorrectly set the flaps at 1. Company procedure requires comparing what's been entered to what's been set. But what if what's been entered is incorrect. I'm comparing two errors that happen to coincidentally correlate. So I guess two wrongs do make a perceived right? Will the aircraft catch the fact we have flaps 1 but require 3? Let's make it interesting and say this is Burbank with a flex takeoff.
I'm not sure if I've ever had a FLEX out of BUR, but you and I work for the same company. Our procedures can use lots of improvement, but when you get a sec re-read both Before Start (below the line) expanded flows. Without the Perf Uplink, the CA is supposed to reference AERODATA output or the TLR and ensure the Perf Takeoff page matches it exactly. The FO expanded flow under PERF TAKEOFF.... Verify says ensure the PERF TAKEOFF page is identical to AERODATA. If either of you are referencing the AERODATA or the TLR/cFDP as required here then there are two opportunities to trap flap setting errors. IOW you both should have verified the PERF TAKEOFF page flap setting is correct before the flaps are touched in the first place, whether or not PERF uplink is available.

The verification you're talking about happens during the Before Takeoff (to the line) checklist, but the actual verification of correct flap setting happens before engine start. My last company had the CA call out "flaps (x), taxi" (x is whatever the setting was for that TO). Just a small extra layer of SA. Wish we did that here.

Last edited by aewanabe; 05-29-2016 at 02:53 PM. Reason: More info
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