Now the stack of computer monitors, graphics cards and software he painstakingly sourced and improved is being pored over by investigators trying to make sense of the disappearance more than two weeks ago http://www.hometoys.com/company_directory/eleetus-motion-simulators/20000063 controllers in his spare time, did not respond to requests for comment.
But with investigators convinced that the missing plane was diverted thousands of miles off its scheduled course from Kuala Lumpur to Beijing by a skilled aviator, attention has focused on Zaharie and the 27-year-old co-pilot, Fariq Abdul Hamid.
Malaysian police seized the simulator last week from Zaharie's gated home in an upscale suburb west of Kuala Lumpur. Games he was running from the Microsoft "Flight Simulator" series and the latest "X-plane" title were being examined.
"Looking through the flight logs in these simulator games is a key part of the investigation," said an official with direct knowledge of the investigation into Zaherie and his co-pilot.
"X-plane 10 was interesting to investigators because it was the latest thing Zaharie bought. Also it is the most advanced out there and had all sorts of emergency and combat scenarios."
Malaysian investigators have asked the FBI for help in memory recovery after discovering some data was deleted on February 3.
VIRTUAL COCKPIT
Zaharie spent thousands of hours in the virtual cockpit of the machine playing flying games or boosting its capabilities. He seemed proud of the results.
On the evening of November 17, 2012, he posted a picture of his newly-finished simulator and its specifications to an online forum, calling it "awesome" and saying it was his "passion". He said it was "time to take to the next level of simulation" with a motion controller and that he was "looking for buddies".
A motion controller makes the chair of the simulator pitch and turn like in a real cockpit to simulate the climbs, descents and banked turns of a real plane. http://www.youtube.com/watch?v=d0wMkBuTc10Zaharie's set-up also included a center pedestal, where aircraft controls sit, and overhead panel.
It's impossible to estimate exactly how much Zaharie spent on his simulator, but rough estimate by Reuters shows it was likely to be well in excess of $7,000.
Flight simulator costs vary depending on parts used. For example, a replica Boeing-737 seat on Flight Simulator Center, a website with simulator parts, costs almost $5,000. An overhead panel listed on another website costs $800.
The software, currently a focus for investigators, would have allowed him to practice landing at more than 33,000 airports, on aircraft carriers, oil rigs, frigates, which pitch and roll with the waves, and heli-pads atop buildings.
Other software Zaharie was using would have let him to use the Internet to fly with friends and he could have simulated "a lot of malfunctions, emergencies, go-arounds, return-to-base or divert with fairly exact procedures", according to Naoya Fujiwara, a flight simulator expert from Japan.
He could have simulated any weather and even downloaded real weather, wind and temperature data from a professional server, Fujiwara said.
Given the large amount of cheap memory loaded onto modern computers, it's unlikely Zaharie would have had to erase his flight data for technical reasons - so it remains unclear why some of the data was erased on February 3.
"Today storage capacity is not a problem for a computer running simulators," said Fernando Nunez Correas, a simulation software developer using some of the same components as Zaharie.
Erasing data may have been part of a regular maintenance routine or done to help improve the simulator's performance, flight simulator users say.
He could not have practiced evading radar, for instance, because radar is not part of the simulation, Nunez said.
(Additional reporting by Niki Koswanage in KUALA LUMPUR and Noel Randewich in SAN FRANCISCO; Editing by Alex Richardson)
http://www.reuters.com/article/us-malaysia-airlines-simulator-idUSBREA2M00S20140323
