Basically nothing. They sit on ever broadening backsides, looking forward to their 7 days off after a tough 7 days on. Go home, check their bank balances and make sure the alimony has been paid.
The flying side of things? They have everything planned for them and the a/c and f/o's do the flying while the capt sits and reads the latest copy of Scat for Loners.
tough old life at the top. Oh salaries? f/o to capt = £34k up to £100k +