A2A Simulations

T-6 "Texan" Accu-Sim for FSX/P3D

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Flight Simulator Package:
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Microsoft Flight Simulator X: Steam Edition logoThis addon is compatible with Microsoft Flight Simulator X. It should also work with Microsoft Flight Simulator X: Steam Edition. Some developers have explicitly stated compatibilty with Steam Edition but others haven't. Check the product description below for guaranteed compatibility. Just because it doesn't mention it, this does not mean it will not work with the Steam Edition.
T-6 "Texan" Accu-Sim for FSX/P3D
Media Format
Immediate Download
Microsoft Flight Simulator X including Steam Edition and Prepar3D (all versions including v4)
File size
290 MB for FSX / 320 MB for Prepar3D

Mustang! Thunderbolt! Hellcat! Corsair! Spitfire! Hurricane! These and many of the other great Allied fighter aircraft of World War Two are highly familiar to a great many people and to everyone interested in aviation history. All of these aeroplanes and the valiant pilots who flew them did their very crucial part to ensure the Allied victory over Nazi Germany and the Empire of Japan. 

However, what all of these pilots who flew these aeroplanes, all of the celebrated aces and all of those who flew with them have in common is one aeroplane, one which is not nearly as well-known or popularly celebrated — the North American (NAA) T-6, or AT-6 as it was called in the U.S. Army Air Force (USAAF), SNJ in the U.S. Navy (USN) and U.S. Marine Corps (USMC), and “Harvard” in the Royal Air Force (RAF) and Royal Canadian Air Force (RCAF). Virtually every one of the pilots who flew against the Nazi and Imperial Japanese air forces, learned the art and craft of combat flying and honed their aeronautic skills to a diamond- sharp tip in the AT-6 before they were given leave to go into harm’s way in Mustangs, Hellcats and Spitfires. 

Compared to those mighty and oft-heralded fighter aircraft, the relatively obscure AT-6/SNJ is the common bond that ties all of these pilots together and which enabled them to “go forth and vanquish the foe” so successfully. Many thousands of young, eager pilots owe their very survival in the mad swirl of aerial combat and the rest of their lives thereafter to the lessons they learned whilst in the cockpit of an AT-6, so successfully and profoundly did this humble aeroplane perform its role and do its duty. 


  • Aircraft DNA technology re-creates actual engine and airframe vibrations
  • A true propeller simulation
  • Pratt & Whitney R-1340 supercharged radial engine captured and physically reproduced
  • Both the front and rear cockpits and the entire aircraft gorgeously constructed with authentic metals, plastics, and rubber
  • Physics-driven sound environment
  • Complete maintenance hangar internal systems and detailed engine tests including compression checks
  • Extensively flight tested the actual aircraft first hand by A2A Simulations pilots against the simulation
  • Accu-Sim fluid flight modellng allows for aerobatics including accelerated stalls, snap rolls, and hammerheads
  • Hyper realistic engine vibrations and harmonics pass through the airframe including the shock mounted cockpit panels
  • True to life ground handling, makes landings forever challenging, just like the real T-6. You can hear and feel the large tires bite into the pavement
  • Hand propping
  • Three different canopies can be selected in real time
  • Propeller hub can be removed, revealing a working propeller governor inside
  • Digitrak autopilot with altitude hold reproduced by the book
  • Optional direct cranking or direct inertial starter included
  • Towing
  • Dynamic ground physics including both hard pavement and soft grass modeling
  • Primer-only starts are now possible. Accu-Sim monitors the amount of fuel injected and it’s effectiveness to start and run the engine
  • Persistent airplane where systems and temperatures are simulated even when the computer is off
  • Immersive in-cockpit, physics-driven sound environment from A2A engineered recordings
  • Complete maintenance hangar internal systems and detailed engine tests including compression checks
  • Piston combustion engine modeling. Air comes in, it mixes with fuel and ignites, parts move, heat up, and all work in harmony to produce the wonderful sound of a large radial engine.  Now the gauges look beneath the skin of your aircraft and show you what Accu-Sim is all about
  • Authentic avionics with built-in, automatic support for many popular 3rd party avionics
  • As with every A2A aircraft, it is gorgeously constructed, inside and out, down to the last rivet
  • Designed and built to be flown "By The Book"
  • Visual Real-Time Load Manager, with the ability to load fuel, pilots, and baggage in real-time
  • Naturally animated pilot and co pilot with optional sunglasses, standard headphones or helmets
  • 3D Lights 'M' (built directly into the model)
  • Pure3D Instrumentation now with natural 3D appearance with exceptional performance
  • total audible cockpit and sound engineered by A2A sound professionals
  • In cockpit pilot's map for handy in-flight navigation
  • Authentic fuel delivery includes priming and proper mixture behaviour.  Mixture can be tuned by ear.  It’s your choice.
  • Airflow, density and its temperature not only affect the way your aircraft flies, but how the internal systems operate
  • Real-world conditions affect system conditions, including engine temperatures
  • Spark plugs can clog and eventually foul if the engine is allowed to idle too low for too long. Throttling up an engine with oil-soaked spark plugs can help clear them out
  • Overheating can cause scoring of cylinder head walls which could ultimately lead to failure if warnings are ignored and overly abused
  • Engine, airframe, cockpit panel and individual gauges tremble from the combustion engine
  • Authentic drag from the airframe and flaps
  • Authentic battery. The battery capacity is based on temperature. The major draw comes from engine starting
  • Oil pressure system is affected by oil viscosity (oil thickness). Oil viscosity is affected by oil temperature. Now when you start the engine, you need to be careful to give the engine time to warm
  • Eight commercial aviation sponsors have supported the project including Phillips 66 Aviation, Champion Aerospace, and Knots2u speed modifications.

You can view the official manual here.

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Customer Reviews

Rated 3.0/5.0 based on 2 customer reviews

1/5 Verified Purchase
1 of 5 Stars!

Although the much touted flying of the Texan T6 is very challenging and rewarding, the product is annoying as hell in several minor irritating respects. To put this in perspective, I have purchased several of the competition's products -- from Carenado -- and when this is stacked up alongside theirs, these guys should not have released this airplane because quite frankly, it isn't ready yet.

First -- there's no damn starter in the super-realistic cockpit. What the hell, people? You have all these other switches and controls, which all work fine, but you don't have a STARTER? How wonderful; I can set the mags to left, right or both, but I cannot start the damned engine unless I use the little pop-up menu and select "Auto Start Sequence".

Second -- The rear canopy doesn't open. You have a little hand icon for the right spot and you hear the sound of it supposedly sliding back, but nothing happens. But oh, listen to that engine roar.

Third -- when you do a replay of something, such as a landing -- very nice to see what you looked like on that bumpy wheel landing -- this product is unable to remember all the configuration of the aircraft. So if you were in straight and level flight when you clicked "Instant Replay", the replay still thinks your wheels are up. So you get this utterly stupid-looking replay of an aircraft with its wheels still up (since that what you were doing when you selected Instant Replay) doing a touch and go.

Fourth -- While switching radio frequencies manually (as you would do in real life), the product doesn't seem to know that you already switched from ground to tower. So it still offers to tune it for you from its menu. The Carenado products by contrast get this right away and if you switch from ground to tower manually, the menu sees this and changes accordingly to "Contact Tower" instead of "Tune Tower at 118.9" or whatever freq it is.

Look. These kinds of stupid, little details are UNACCEPTABLE in a product you're charging money for. The Carenado products all know how to do all these things correctly. But you guys at A2 Sim are so enamored with your flight dynamics and engine sounds, you don't seem to care about the details.

So although the flying is wonderfully challenging and does wonders for stick and rudder skills and taxiing, the minor details are SO damn irritating I considered asking for my money back. And don't tell me I need the latest upgrade -- the product only came out this very month, from what I understand. Why is your product out if it is not ready?

5/5 Verified Purchase
5 of 5 Stars!

Installed yesterday. Today, after three flights I deleted all other aircraft on my sim... Superb aerodynamics, smooth handling, typical T-6 "Poff"-sound when going to fast into idle and even mist buildup on the windscreen when airvent is closed. Like the real thing !

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