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-   -   B737-800 VNAV question (https://www.pprune.org/questions/589921-b737-800-vnav-question.html)

scytherium 22nd Jan 2017 15:18
B737-800 VNAV question
 
Hi guys! I desperately need your help about this VNAV thing.

I have 2 questions about VNAV. My first question would be if i maintain altitude (lets say 3000 ft) and ATC cleared me to climb to FL120, when i change MCP altitude to FL 120, the airplane wont initiate climb, why is that??. How can you climb still in VNAV (no LVL CHG or V/S) mode without engaging the ALT INTV???

My 2nd question is can you command the airplane to climb without the use of MCP? (Using CDU only)?

Your help most needed :(


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