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Leonardo Software House – Fly the Maddog X v1.2.0b137

Note: See README.txt after extracting!

Note: Documentation located at “C:\Users\USERNAME\Documents\Maddog X Files\Docs”

Note: To turn on the in-game tablet, press and hold the home button for a few seconds.

Note: To update navigation data, you can use the Navigraph installer from this post (

Note: For additional liveries & Paintkit, check out this post.

– Fixed:
– Fixed issue in fms procedures with two consecutive dme arcs
– Fixed issue with brakes remain engaged if autobrake disable by switching it off (not touching the pedals)
– Fixed issue in update time on the FMS #2 when tipying on the scratch pad
– Fixed free text not working in CPDLC
– Fixed issue with PDC
– Fixed issue of MDClient when running (but flying another addon), in certain cases would not permit the other addon CPDLC to work correctly
– Fixed issue which prevent, in certain cases, from receiving Hoppie telex messages (in any case auto white list must be off to receive message from stations not previously contacted)

– Model:
– Fixed issue of misplaced plug in the GPU cable on aircraft side (exterior model)

– Systems:
– Added option for FMS CANADIAN MARCONI / PMS
– Added option for EPR SEL in TRP

– Other:
– When selecting data client to ‘None’ METARs are now still available
– MDClient is not installed anymore as a startup app, but it starts automatically when MSFS starts
– ‘ready at gate’ now use APU for power to avoid issues with GPU when using GSX
– Added option for takeoff CLAMP filter in LM SIMULATOR settings page

– Documentation:
– Updated Quick Guide and User Manual

Fly the Maddog X – addon for Microsoft Flight Simulator 2020.

Fly the Maddog X is one of the most sophisticated and complex add-on ever developed for the MD-82, built after the McDonnel Douglas MD-80 series.

Fly the Maddog X features advanced, study level aircraft systems that cannot be matched by any standard aircraft; it can be flown by following the operations manual of the real aircraft. We even encourage you to use such documentation to experience the level of detail that has been accomplished with this aircraft. Fly the Maddog X also features the undocumented intriguing details that real pilots experience when flying the real aircraft.



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