You're not limited to 1080 hrs of pay. Yes, it's part of the IMAX formula. Converting pay into 'pay hours' (earnings divided by hourly rate) I always had about 1200+ hrs of 'pay' and my PR was 1500+. So for example a pay rate of $200/hr = $240K - $300K a year in salary.

That MIA 737 CA pay over 11 months that's been posted? Seems like it was 1200+ 'equivalent pay hours' which meant that he'd get over 1300 'pay hours' worth of pay this year. Not uncommon for the people hustling a bit. Sit SC rsv and don't do anything extra? You'll get around 900 pay hrs.