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Old 22nd April 2008 | 10:16
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itaintgoingtothemoon
 
Joined: Jan 2008
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From: uk
Boeing TMC/FMC & AP questions
Hi,

Could anyone tell me the difference between THR and THR REF thrust modes on the B777 or any other similar Boeing aircraft please?

Also, what is the difference between selecting FL CH as opposed to selecting a new altitude setting and unselecting VNAV on the MCP?

And finally, what is the difference between an aircraft flying with VNAV & LNAV engaged with a.) AP engaged and b.) AP disconnected?

The Boeing Maintenance Manual notes can be somewhat limited (as can my brain).

Thanks is advance.
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