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FrederikS

CLB cruise mode reverts to CRZ on descend

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Hello,

 

I just wanted to know if this is real world behaviour since I could not find the reference in the documentation?

 

Thanks in advance

Freddy

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Yes it's correct. If you use CRZ as the N1 limit during cruise flight then you won't see a difference - however most airlines use CLB N1 limit during cruise phase of flight. Can easily set CLB at TOD in the FMC. 

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Sorry, I guess I didn't make myself clear. What I meant was when you have selected CLB as your cruise mode via the aircraft configuration menu (as an Airline Option e.g. Emirates uses it). Meaning the aircraft does not go into CRZ mode once you reach your cruising alt. Under these circumstances is it normal that CLB reverts to CRZ once you reach T/D?

 

Freddy

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Under these circumstances is it normal that CLB reverts to CRZ once you reach T/D?

 

Indeed - that option is for cruise flight only. 

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