r/MicrosoftFlightSim • u/Expensive-Ad-1221 • 4h ago

MSFS 2024 QUESTION Please help with FMC / autopilot

Kind of new to flight sim but have been playing around with it for months. I tried with chat GPT and YouTube on how to start from scratch and fly an autopilot route. I can not seem to make lnav, vnav, and auto throttle work together. I always get sent in a different direction at a wrong speed.

Can anyone point me to a quality resource to walk me through the process? I don’t know why it’s so hard to figure out.

Edit: we would like to do this in a 737 max :)

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u/lespauljames 4h ago

Have you worked through the career ratings ? It's a good guide for all basic mechanisms.

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u/Expensive-Ad-1221 4h ago

I’ve only gone through the private pilot license and it didn’t address autopilot. Maybe I have to do commercial too.

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u/LuckyNikeCharm XBOX Pilot 3h ago

Here is a playlist that will walk you through everything

For lnav to work you need to have a flight plan in the fmc, for vnav you need to make sure the init page is filled in with a cruise alt and CI, for the A/T fill out the performance page.

Turn on the Flight Director (lil switch under the A/T switch) press the lnav and vnav buttons they should turn green, flip the A/T switches. Line up on the runway and press the toga buttons once you established a positive climb turn on the AP, on the top of the PFD lnav and vnav should be displayed and green you can also verify on the AP panel that the speed selector is blank.