The PPP is aimed at crew who are standing up once every 4-6 months. IE those that still want the flying when it comes around. For those who have been stood down longer than 6-7 months (IE, those who have opted out of flying completely because of their new employment status), they do the new training courses as now outlined in the TACM whenever they decide to stand up and fly.
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Have a look at the 787 list of flyers. Plenty of those in Capt/FO ranks haven’t touched the controls since March ‘20, and not through their own choosing. It just simply hasn’t reached their number on the list. They have no choice but to obtain secondary employment but would obviously also like to be kept current. The longer it drags on, the stronger the ties become to their new employer and many will be less likely to bend over backwards for QF.
The whole thing is a can of worms. People may be jumping at shadows about the company’s motives, but we’ve already seen during the pandemic how keen they are to force the LWOP option onto people to save a few measly bucks.