CFM 56 thrust bump on the FMC
Thread Starter
Join Date: Jul 2008
Location: boise Id
Age: 63
Posts: 4
Likes: 0
Received 0 Likes
on
0 Posts
CFM 56 thrust bump on the FMC
The questionis:
We have a 7B24 with a 24k thrust bump on the FMC N1 page. When we select this rating do we get more than 24k, and how much. Will the bugs move up to a higher N1 on the Upper DU than the a full 24k selection?
We have a 7B24 with a 24k thrust bump on the FMC N1 page. When we select this rating do we get more than 24k, and how much. Will the bugs move up to a higher N1 on the Upper DU than the a full 24k selection?
The take-off thrust bump will give you more than 24K, how much more I don’t know, I suspect it depends upon the ambient conditions. Yes the bugs will move higher up than normal, to figure given at N1 LIMIT 1/1 Field 1R.
TO-B is intended for emergency use only, eg windshear, terrain avoidance etc; so the extra thrust capability is not normally used.
Full details should be in your FCOM Vol 2 under Engines - EEC and also Flight management - FMC – Thrust Management
S&L
TO-B is intended for emergency use only, eg windshear, terrain avoidance etc; so the extra thrust capability is not normally used.
Full details should be in your FCOM Vol 2 under Engines - EEC and also Flight management - FMC – Thrust Management
S&L
