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LOA 29 was where we changed RES and made it good for a few pilots instead of for most pilots. C2012 RES concessions came later.

And let's remember how we got LOA 29. Some senior pilot sitting RES, btw senior is a relative term, would get assigned a trip while someone junior to them did not because the junior pilots raw score was 1 number higher, or 5, 10, 50, didn't matter. The junior pilot could have worked every day on RES and the senior one had flown nada, they'd complain that seniority wasn't being respected. Which wasn't necessarily the case, seniority was respected on day 1 of every new month on trip assignments, hence, senior pilots didn't fly typically until week 2 or 3. RES SC assignments in the meantime were assigned by CS shooting a shotgun blindfolded.

But fixing SC wasn't under consideration, the goal was a month off with full pay and no SC while a junior pilot flew to the limit in your place. So we changed a fair system to appease those who wanted people to work in their place. And anyone who questioned that was told "quit *****ing you'll be senior one day." So RES went from being a pretty decent gig for most pilots to pretty much what it was before for a few pilots.

BTW, I'm senior now (would be in top 2% of res pilots) and want nothing to do with RES, it sucks now.