This FAQ page pertains to the original X-15 Series (versions 1.0 and 1.1) only. Refer to the X-15A-2 Special Edition FAQ for questions regarding version 2.0.

Answers to most questions can be found in the user manual included with your software.

Answers to other questions may be found below:


What do I get with my X-15 addon?

Are all the X-15 systems simulated?

How realistic is the X-15 addon?

I am an X-15 fan but a beginner flight simmer? Is the X-15 addon too complex for me?

Does my X-15 addon come with a virtual cockpit?

Does my X-15 addon come with 2D panels?

Will a virtual cockpit upgrade for the original X-15A-2 addon be available anytime soon?

I own all three original X-15 addons and the X-15A-2 (version 1.0) is my favorite X-15. Sadly, she's the only one without a virtual cockpit. Is there a way to merge the A2 with one of the VCs from the other X-15s?

What is the maximum speed of my X-15 addon?

What is the maximum altitude than can be reached?

Where's the parachute?


What are the minimum system requirements for installing the X-15 addon?

How do I install the addon I've purchased?

The installer asks for my product activation key. Where do I find it?

Can I re-download my addon if I lose the original file?

I've installed Flight Simulator X in a custom folder, will the installer detect it?

Is the X-15 addon compatible with Microsoft® Flight Simulator X?

Is the X-15 addon compatible with Microsoft® Flight Simulator 2004?

Is the X-15 addon compatible with Lockheed Martin® Prepar3D®?

Is this addon compatible with the latest version of Windows®?

Is this addon compatible with the latest version of DirectX®?

I'm using FSX and when I load a flight, the X-15 appears all white or transparent, how can I fix this?

My X-15 addon has no virtual cockpit. How can this be possible?

After I've installed my new X-15 addon in FSX, only two X-15 aircraft variations appear in the Select Aircraft page. Where are the other variations?


How do I take off and fly my X-15 add-on?

Can I download a free version of the user manual?

What's the easiest way to start the X-15's engine(s) without going through the entire check list and procedures?

Can I use "CTRL-E" to start the engines?

Why are some of the aircraft systems reset when a new X-15 aircraft is loaded?

The X-15 instrument panels appear "frozen" after a new aircraft has been loaded while in flight. What do I do?

Nothing seems to work and I can't operate the aircraft when in the virtual cockpit view (X-15-1 and X-15-2/3). What do I do?

I just loaded a new flight and I see special effects like engine flames and APU exhaust steam, but I haven't done anything yet. How do I turn these effects off?

Why is my X-15 addon moving on the runway at the beginning of a new flight and before the aircraft has been serviced?

The engine is running at the beginning of a new flight and before the aircraft has been serviced. How do I stop the engine and avoid this issue in my next flight?

Why can't I reach the maximum speed/altitude?

I've just installed my X-15 addon and loaded my first flight but I cannot see the cockpit. What's the problem?

My X-15 landing gear won't retract. What do I do?

The rocket exhaust plumes are slightly askew; they're all positioned slightly to the left of the actual holes. Is this normal?

The MH-96 control panel (X-15-3) pitch, roll and yaw damper switch lights should come on when switches are up. Mine go out and are on when switches are down. What's wrong?

The NO DROP and IDLE END lights on the left side of the main panel remain ON during flight with the original X-15A-2. Is this normal?

Some switches in the virtual cockpit don't work when clicked on? Is this an issue?

I've installed my new X-15 addons and I cannot get the engine start by all means on any aircraft. I cannot move the throttle either. Where is the automatic ignition red button on my X-15A-2? Please help!

I have a number of display and performance issues with my new X-15 addon. Could you help me troubleshooting my problems?


I have another question about my X-15 addon. Can I contact you?

How do I get product patches and upgrades?

I have some ideas about improving the X-15, or future exciting addons. Can I contact you?