The rig is TAFB (in hours)/4.95. Below is an example of a line with a single 15 day trip. The CRT (at the bottom) pays 69.43 hours.
Crew Route Statistics
Block Time : 23:30 DH Hours : 45:30 Required Rest : 67:40 hours
Duty Time : 108:40 Night Hours : 2:00 Next Posble Duty : Sat01Oct at 11:00
FDP : 45:30 TAFB : 343:35 (14 days & 7:35 hours
Credit Hours : 39.45 Crew Complement : 1CA 1FO
CRT Rig : 69.43