PBS Colors?
PBS Colors?
01-30-2018, 01:18 PM
#2
Gets Weekends Off
Joined APC: Mar 2016
Position: DFW CRJ CA
Posts: 340
Originally Posted by Pilotwhois47yrs
What do the colors mean in the awards for PBS bidding?
Lines:
Blue = awarded mortally
Purple = awarded via coverage
Reserve:
Yellow = awarded normally
Magenta = awarded via coverage.
01-30-2018, 05:08 PM
#4
Gets Weekends Off
Joined APC: Mar 2016
Position: DFW CRJ CA
Posts: 340
Originally Posted by Pilotwhois47yrs
I notice that mostly all the FO's at IAD got purple. Can you explain?
If your looking for information on unstacking, I suggest checking out the training material on the alpa website.
01-30-2018, 06:41 PM
#5
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Joined APC: May 2017
Posts: 2,145
Originally Posted by MagPBS
Not looking at it right now so going off memory on colors.
Lines:
Blue = awarded mortally
Purple = awarded via coverage
Reserve:
Yellow = awarded normally
Magenta = awarded via coverage.
Lines:
Blue = awarded mortally
Purple = awarded via coverage
Reserve:
Yellow = awarded normally
Magenta = awarded via coverage.
01-31-2018, 04:07 AM
#7
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Joined APC: May 2017
Posts: 2,145
Originally Posted by MagPBS
Sound right. No point in unstacking reserves when you don’t have any.
Is Long Call Reserve simply a pipedream or is it being awarded at any base?
01-31-2018, 08:29 AM
#8
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Joined APC: Mar 2016
Position: DFW CRJ CA
Posts: 340
Originally Posted by calmwinds
They have 7 pilots on reserve in February in IAH. Mostly senior. So, I am guessing the got what they bid.
Is Long Call Reserve simply a pipedream or is it being awarded at any base?
Is Long Call Reserve simply a pipedream or is it being awarded at any base?
01-31-2018, 03:30 PM
#10
Line Holder
Thread Starter
Joined APC: Aug 2016
Posts: 44
Stacking and Un-Stacking
"[Un-Stacking]
This algorithm is used in conjunction with greedy algorithm to control the open time (the amount of uncovered pairings at each calendar date).
"Stacking" happens during the process of junior awarding when the number of the pairings needed to be covered at a given date is equal to the number of available crewmembers. The "available crewmembers" means those junior crewmembers who have not been awarded yet and are legal to cover a pairing at that date. Each given date in a bid month will have a "stack" to control open time.
When that point is reached, every available junior crewmember has to cover a pairing at that date to resolve the open time issue regardless of his/her preferences. This impacts the satisfaction of junior crewmembers in order to achieve this company goal.
To improve, the core traces back to the awarded senior crewmembers and sees if it is possible to let a senior cover a pairing at that date. This approach is called "un-stacking", because it reduces the stack at the given date. It is only good if the pairing being replaced is something junior crewmembers prefer, and the replacement does not degrade the senior crewmember's preferences and there is no violation of legality.
Greedy algorithm has no ability to constantly monitor the open time, and it keeps awarding lines until it reaches the stacking point, then uses inefficient "un-stacking" to improve the satisfaction of junior crewmembers. The result is questionable."
This algorithm is used in conjunction with greedy algorithm to control the open time (the amount of uncovered pairings at each calendar date).
"Stacking" happens during the process of junior awarding when the number of the pairings needed to be covered at a given date is equal to the number of available crewmembers. The "available crewmembers" means those junior crewmembers who have not been awarded yet and are legal to cover a pairing at that date. Each given date in a bid month will have a "stack" to control open time.
When that point is reached, every available junior crewmember has to cover a pairing at that date to resolve the open time issue regardless of his/her preferences. This impacts the satisfaction of junior crewmembers in order to achieve this company goal.
To improve, the core traces back to the awarded senior crewmembers and sees if it is possible to let a senior cover a pairing at that date. This approach is called "un-stacking", because it reduces the stack at the given date. It is only good if the pairing being replaced is something junior crewmembers prefer, and the replacement does not degrade the senior crewmember's preferences and there is no violation of legality.
Greedy algorithm has no ability to constantly monitor the open time, and it keeps awarding lines until it reaches the stacking point, then uses inefficient "un-stacking" to improve the satisfaction of junior crewmembers. The result is questionable."
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