Displacements will almost certainly be to the 145. If you want 175, that’s what you should preference. It is pretty painful to go from the 175 to 145. Both the plane itself and the trips. 145 has more legs and less flight time than the 175.

if you get displaced to the 145 and want the extra 5 hours a month override, you will be locked to it for two years. Of course if you are junior, going to be tough to bid off of it in less than two years anyway.

There will be plenty of union guidance before the next bid, or if you want to see it before then, ask your captain if he has the old bidding email.

Don’t preference bid for anything you don’t want and know that if you don’t have all the displacement statuses listed and the company needs something you may get something you REALLY don’t want verses something that you just would prefer not to get. Back in the day there were more than a few that wanted 175 and couldn’t hold it but could have at least stayed in ORD or DFW on the 145 IF they had been on their displacement. Instead ended up in NY because they didn’t have the other listed and their number came up (actually came down) as displacements are initially reverse seniority to determine who gets the bone and then back down again with the actual assignments.

Example: MIA (175) FO really wants 175 MIA captain but would settle for DFW 175 or maybe even ORD 175 but doesn’t want to get stuck in ORD on the 145. Only lists the 175 statuses, but is low enough can’t hold any of them. Might could hold 145 DFW but if it wasn’t listed after the 175s could end up in ORD 145 that REALLY didn’t want because the company needs them and DFW wasn’t listed.

Probably clear as mid, but again, the bidding email will go into much more detail.