146 Professional XP12 cost index

[S3rg1o]

in the MCDU- PERF INIT page, prompts for COST INDEX.
where do I find CI in the simbrief OFP ? insted of CI it shows a cruise profile, such as M70, how do Iinsert it on the FMC ?
Thanks

[Dingle]

Have a look here https://dispatch.simbrief.com/guide#interactive-ofp-sample
In the top left you find CI 85, that is the cost index

[S3rg1o]

@Dingle
Hi!
That's the problem there, on an OFP for the 146 (B461, B462, B463), and others, it shows CRZ SYS M70, M80... instead of CI 85, 120... (see picture)
My question is what numbers should be inserted on the FMC for Cost Index ?

[Dingle]

Oh, I see. I don't know what the FMC of the 146 supports, but simbrief seems to give you the cruise speed in Mach rather than in form of a cost Index. So you set the cruise speed to mach 0.7. If you need a CI you need to configure the aircraft in simbrief. I am not sure if that's supported for all aircraft.