Microsoft Flight Simulator Autopilot Guide – Cessna 172 G1000 Tutorial

Not every plane in Microsoft Flight Simulator comes with autopilot installed so learning to manually fly planes is a must. However, there are a decent number that do and understanding this system and how it all works is arguably more difficult to understand than keeping a plane off of the ground. In this guide we’ll describe what each of the autopilot buttons does and how to successfully use them.

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How to Engage Autopilot (AP Key)

The most basic form of autopilot is super easy to engage! Just look for the “AP” button on your dashboard. For the Cessna 172, which we’ll be using for this entire tutorial, that’s located just to the left of both screens.

Special thanks to the Garmin handbook for explaining these in depth.

Another Note: Not all autopilots can control the throttle of your plane. In the Cessna 172, it can not control your throttle.

Heading Select Mode (HDG Key)

Heading Select does exactly what it says, instructing the plane to follow your specified heading. This is the blue ticker on your navigation NOT the purple line. You can move the ticker’s location using the knob above the buttons with the letters “HDG” just above it.

As an example, if you have heading mode on and pointed at 52 degrees and you change it to 89, the plane will alter course and rotate to the new heading. This is particularly helpful when it comes to staying on track as being a few degrees off and cause you to drastically miss your destination over a long enough flight.

Some users get confused by this nob because the scroll wheel only changes the nob in increments of ten. For single digits, use a mouse click. You can also click and hold to have it keep increasing by one.

Navigation Mode (NAV Key)

If you’re in a smart enough plane with a proper GPS and your destinations programmed in, Navigation Mode will automatically fly you where you need to go. It can also be used with VOR and LOC directions which we’ll attempt to explain in an update some point in the future.

For most advanced planes with direct routes, you’ll simply want to press this button alongside autopilot.

Approach Mode (APR Key)

Approach Mode will cause the plane to try and read your navigation data for a proper approach to the destination. Sorry we can’t explain this one more, we haven’t used it a ton, but will update it when we better understand.

Source: Garmin

Vertical Speed Mode (VS Key)

Say you want to have the plane descend from 5,000 to 2,000 altitude. What you want to do is set the desired altitude before hitting the Vertical Speed Mode button. Similar to the Heading Mode nob, you’ll find this one just below the buttons with “ALT” above it. After you do that, hit the button, and then use the nose down keys to set your desired feet per minute. For example, hit the down key five times to have the plane descent by 500 feet per minute until it reaches the desired 2,000 altitude approximately six minutes later.

You can also use this to gain altitude, however, we recommend the following tool for that instead.

Flight Level Change Mode (FLC Key)

While descent speed matters very little, the optimal climbing speed is usually pretty low. For the Cessna 172, the optimal climbing speed is 75 knots. Using the flight level change mode you can have the plane do this.

Again, simply set the desired altitude before hitting the Flight Level Change button. Then hit the button and increase or decrease the desired speed using the Nose Up / Nose Down keys.

The plane will then attempt to climb while to the specified altitude while maintaining that speed.

You can also do the reverse and have it help you descend. Upon setting the lower altitude target, you may notice the plane doing nothing, however. That’s because it’s expecting you to manage the rate of descent via the throttle while it controls the speed of the plane. You’re essentially controlling the descent via the throttle using this mode.

Altitude Mode (ALT Key)

If you’ve reached a desired height and don’t want to worry about adjusting the pitch of the plane via trim and speed, you can let the plane do that for you! Just hit the ALT key on the autopilot and the aircraft will hold the current altitude.

Vertical Path Tracking Mode (VNV Key)

This will likely be your least used key. The Vertical Path Tracking Mode helps with a plane’s descent assuming a descent path has been programmed into the system.

Backcourse Mode (BC Key)

Another key you won’t really use all that much, Backcourse Mode is meant to help if you’re landing in the “wrong” direction of a runway. While most of the time you don’t want to use autopilot to land, you technically can, especially in a simulator. However, the navigation uses a localizer antenna to line up with the runway. It sends out a signal in front of it to help your plane align with where it needs to go. It also sends out a back course signal the opposite way. If you’re coming in from that direction, you’d want Backcourse Mode engaged, otherwise your plane will want to fly all the way around and land in the other direction.

It’s…complicated and I may not have explained it well, but that’s how I understand it.

Nose Up / Nose Down Keys

As we’ve explained, the functionality of these buttons changes based on which mode you’re in. Sometimes they’ll control your altitude change target and other times they’ll help you set a target airspeed.

And that’s it! Those are the basics of a G1000 autopilot system! If you have any questions, feel free to ask in the comments below and we’ll help if we can!

Still confused? Here’s a video explainer that will run down the most basic autopilot functions.

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Dillon Skiffington

Dillon is the Guides Editor at Fanbyte. He can't seem to quit games as a service or looter shooters โ€” unfortunate news for his backlog, really. Can't get enough game art, soundtracks, or space games.

One Comment

  1. Approach mode is used when you are landing using IFR (instrument flight rules). To use this mode, the airport must have an ILS (Instrument Landing System) set for the runway. All you have to do is to check the ILS approach chart for the runway. Check this PDF which contains the charts for Toronto Pearson Intl. http://www.fly-sea.com/charts/CYYZ.pdf Go to page 25. The chart on the right side of the screen corresponds to an ILS approach for Runway 23. When you are approaching the airport, you just have to ensure that you are at the initial altitude marked on the chart (3000ft), then set the course to 237 (this is the Runway 27 Heading, according to the chart) by turning the CRS knob. Next, just set the ILS frequency to the frequency posted on the chart (111.50) on your NAV1. That’s it. When you are approaching the airport, click on APR and the airplaie will automatically align with the runway, and descend using the ILS glide slope ๐Ÿ™‚

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