new crew - bobrun
loop de loop is correct. Only for extensions beyond 65(thats a scary thought)!
Time to command - well it depends on growth rate, % that extend beyond 55 etc. CX growth rate has fluctuated a lot over the last 17 years from 0 -17.2%. The average over that 17 year period is the same as the growth rate since 2001 which was 6.4%. The growth rate of the mid 90s (7 years) was 2.7% - so there is a lot of variation.
Command time and a/c numbers.
Using long term average - 13-15 years and 258 a/c at end of 2020.
Using 90s growth rate of 2.7% - 20-22 years and 176 a/c at end of 2020.
Using 10.2% growth rate - 10-12 years and 381 a/c at end of 2020.
At 10.2% growth rate command time would be the same with RA65 as it was with RA55 and 6.35% growth rate.
Now how many a/c in 2020 is realistic: 176, 258 or 381?