This is a very difficult issue for the JPA/JPCC as there is now a very close working relationship with AIPA. This is the same AIPA that has a vast majority of mainline pilots as its' members and who will do everything possible to protect those pilots above other membership groups, including Jetstar.
I am sure that Jetstar pilots will actively resist any move by AIPA to promote a scheme where Qantas pilots who are not at risk seniority wise, come into Jetstar above the lowest seniority number.
Of course this doesn't apply to junior QF pilots such as Hugh, who may be looking at redundancy later this year. In the spirit of keeping this group of people employed within the QF group, I don't believe there would be any objection to a negotiated transfer at a seniority number below the most junior Jetstar number.