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does vnav and lnav work without autopilot

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hi i have just upgraded to the 737/800/900,if i have programmed the fmc, does vnav and lnav work without switching on autopilot or does the autopilot have to be on before vnav and lnav mode engage. thanks jim

thank you,Jim

MSI A520M-A PRO,AMD Ryzen 7 5700X3D 8 Core, 16 Threads 4.1Ghz,Arctic Freezer 36 ARGB Black Edition CPU Cooler,MSI VENTUS 2X Nvidia RTX 4070 12GB Graphics Card,Corsair 32GB Vengeance LPX (2x16GB) 3200Mhz DDR4 Memory,Gigabyte UD750GM 750W Gold Rated Modular PSU,Kingston NV3 2TB NVME M.2 GEN 4 SSD.

I believe... someone correct me if I'm wrong. That when you hit LNAV and VNAV, and then activate the FD, the FD will guide you along to the VNAV and LNAV paths, when you engage A/P, all it does is follow the FD.

Zack, your are correct

CPU: Core i5-6600K 4 core (3.5GHz) - overclock to 4.3 | RAM: (1066 MHz) 16GB
MOBO: ASUS Z170 Pro |  GeForce GTX 1070 8GB | MONITOR: 2560 X 1440 2K

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thanks i understand jim

thank you,Jim

MSI A520M-A PRO,AMD Ryzen 7 5700X3D 8 Core, 16 Threads 4.1Ghz,Arctic Freezer 36 ARGB Black Edition CPU Cooler,MSI VENTUS 2X Nvidia RTX 4070 12GB Graphics Card,Corsair 32GB Vengeance LPX (2x16GB) 3200Mhz DDR4 Memory,Gigabyte UD750GM 750W Gold Rated Modular PSU,Kingston NV3 2TB NVME M.2 GEN 4 SSD.

Hi,that's all correct, except that you have to switch the F/Ds ON before you switch ON any MCP mode.

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