Update For The Alphasim F-105 Thunderchief
This is an FSX Acceleration update for the Alphasim Republic F105 Thunderchie…
AlphaSim’s MiG-23 refresh brings sharper flight dynamics, corrected contact points, and a more usable cockpit layout for FSX, including a metric-friendly autopilot. A resized, repositioned GPS, added pitch trim, and a NAV/GPS switch round out a complete aircraft package tuned for smoother handling and navigation.
This is an update of the Alphasim MiG-23. Includes updated flight dynamics, corrected contact points, added autopilot for those not used to metric, changed size and position of the GPS, added pitch trim and a NAV/GPS switch. This is the whole aircraft. By Bob Chicilo.

Screenshot of MiG-23 in flight.
Unzip to a folder of your choice. Copy the aircraft to the main FS airplanes folder. Copy the gauges and effects to the main FS gauges and effects folders, no need to overwrite anything already there.
The new autopilot can be toggled with the AP icon to the left of the other icons on the panel.
I have not included the flights mentioned in the original readme file, in part, because they were for FS9.
[Reference Speeds]
flaps_up_stall_speed=130
full_flaps_stall_speed=110
cruise_speed=527 //knots over the ground at 36,000 ft. (318 knots/589 kilometres indicated)
max_indicated_speed=1730
max_mach=2.6
max_level_speed=mach 2.3 //1320 knots over the ground at 36,000 ft. (812 knots/1504 kilometres indicated)
The above is to let you know the limits of the aircraft. An approach of about 260 kilometers indicated, until short final, is a good place to start.
Free for all simmers · 23.11 MB · Scanned clean Nov 2026
Download speed: Free tier is capped at 0.5 Mbps (this file takes approximately 6 mins at the cap). PRO members download at full line speed.
SimObjects\Airplanes\, Addon Scenery\, Effects\, or Gauges\.readme.txt or README file. It tells you exactly where files go, what dependencies are needed, and any quirks specific to this add-on.The archive alpha_mig-23upx.zip has 135 files and directories contained within it.
This list displays the first 500 files in the package. If the package has more, you will need to download it to view them.
| Filename/Directory | File Date | File Size |
|---|---|---|
| Aircraft.cfg | 08.13.15 | 13.30 kB |
| flogger_check.htm | 08.11.15 | 14.22 kB |
| MiG 23 ML Cuban Air Force.jpg | 08.13.15 | 40.61 kB |
| MiG 23 ML CZAF 'Hell Fighter'.jpg | 08.13.15 | 37.12 kB |
| MiG 23 ML Red-47.JPG | 08.13.15 | 30.29 kB |
| MiG 23 ML RoAF.jpg | 08.13.15 | 50.94 kB |
| mig23.air | 08.13.15 | 9.16 kB |
| model.23airsuper | 08.13.15 | 0 B |
| 23airsuper.mdl | 08.11.15 | 2.30 MB |
| model.cfg | 08.11.15 | 35 B |
| model.23asventral | 08.13.15 | 0 B |
| 23asventral.mdl | 08.11.15 | 2.31 MB |
| model.cfg | 08.11.15 | 36 B |
| model.23clean | 08.13.15 | 0 B |
| 23clean.mdl | 08.11.15 | 2.20 MB |
| model.cfg | 08.11.15 | 32 B |
| model.23ventral | 08.13.15 | 0 B |
| 23ventral.mdl | 08.11.15 | 2.21 MB |
| model.cfg | 08.11.15 | 34 B |
| panel | 08.13.15 | 0 B |
| ALPHA_MiG-23.cab | 08.11.15 | 1.58 MB |
| ALPHA_Victor.cab | 02.02.15 | 353.16 kB |
| panel.cfg | 08.13.15 | 7.12 kB |
| Panel_MiG23.bmp | 08.11.15 | 2.25 MB |
| sound | 08.13.15 | 0 B |
| sound.cfg | 08.11.15 | 30 B |
| texture.3646HF | 08.13.15 | 0 B |
| bangseat.bmp | 08.11.15 | 1.00 MB |
| cockpit1_t.bmp | 08.11.15 | 1.00 MB |
| cockpit2_t.bmp | 08.11.15 | 1.00 MB |
| cockpit3_t.bmp | 08.11.15 | 1.00 MB |
| cockpit4_t.bmp | 08.11.15 | 1.00 MB |
| cockpit5_t.bmp | 08.11.15 | 1.00 MB |
| Crew face.bmp | 08.11.15 | 1.00 MB |
| Crew.bmp | 08.11.15 | 1.00 MB |
| DECAL_hinges.bmp | 08.11.15 | 64.07 kB |
| DECAL_mig23.bmp | 08.11.15 | 64.07 kB |
| DkGrey.bmp | 08.11.15 | 64.05 kB |
| glass.bmp | 08.11.15 | 48.05 kB |
| gunsight.bmp | 08.11.15 | 256.07 kB |
| Lens_L.bmp | 08.11.15 | 21.43 kB |
| Lens_T.bmp | 08.11.15 | 16.07 kB |
| mig23_back.bmp | 08.11.15 | 1.00 MB |
| mig23_div.bmp | 08.11.15 | 1.00 MB |
| mig23_fuse.bmp | 08.11.15 | 1.00 MB |
| mig23_loads.bmp | 08.11.15 | 256.07 kB |
| mig23_wings.bmp | 08.11.15 | 1.00 MB |
| mirror.bmp | 08.11.15 | 64.07 kB |
| shadow_switch.bmp | 08.11.15 | 64.07 kB |
| shadow_throttle.bmp | 08.11.15 | 128.07 kB |
| texture.cuban | 08.13.15 | 0 B |
| bangseat.bmp | 08.11.15 | 1.00 MB |
| cockpit1_t.bmp | 08.11.15 | 1.00 MB |
| cockpit2_t.bmp | 08.11.15 | 1.00 MB |
| cockpit3_t.bmp | 08.11.15 | 1.00 MB |
| cockpit4_t.bmp | 08.11.15 | 1.00 MB |
| cockpit5_t.bmp | 08.11.15 | 1.00 MB |
| Crew face.bmp | 08.11.15 | 1.00 MB |
| Crew.bmp | 08.11.15 | 1.00 MB |
| DECAL_hinges.bmp | 08.11.15 | 64.07 kB |
| DECAL_mig23.bmp | 08.11.15 | 64.07 kB |
| DkGrey.bmp | 08.11.15 | 64.05 kB |
| glass.bmp | 08.11.15 | 48.05 kB |
| gunsight.bmp | 08.11.15 | 256.07 kB |
| Lens_L.bmp | 08.11.15 | 21.43 kB |
| Lens_T.bmp | 08.11.15 | 16.07 kB |
| mig23_back.bmp | 08.11.15 | 1.00 MB |
| mig23_div.bmp | 08.11.15 | 1.00 MB |
| mig23_fuse.bmp | 08.11.15 | 1.00 MB |
| mig23_loads.bmp | 08.11.15 | 256.07 kB |
| mig23_wings.bmp | 08.11.15 | 1.00 MB |
| mirror.bmp | 08.11.15 | 64.07 kB |
| shadow_switch.bmp | 08.11.15 | 64.07 kB |
| shadow_throttle.bmp | 08.11.15 | 128.07 kB |
| texture.red47 | 08.13.15 | 0 B |
| bangseat.bmp | 08.11.15 | 1.00 MB |
| cockpit1_t.bmp | 08.11.15 | 1.00 MB |
| cockpit2_t.bmp | 08.11.15 | 1.00 MB |
| cockpit3_t.bmp | 08.11.15 | 1.00 MB |
| cockpit4_t.bmp | 08.11.15 | 1.00 MB |
| cockpit5_t.bmp | 08.11.15 | 1.00 MB |
| Crew face.bmp | 08.11.15 | 1.00 MB |
| Crew.bmp | 08.11.15 | 1.00 MB |
| DECAL_hinges.bmp | 08.11.15 | 64.07 kB |
| DECAL_mig23.bmp | 08.11.15 | 64.07 kB |
| DkGrey.bmp | 08.11.15 | 64.05 kB |
| glass.bmp | 08.11.15 | 48.05 kB |
| gunsight.bmp | 08.11.15 | 256.07 kB |
| Lens_L.bmp | 08.11.15 | 21.43 kB |
| Lens_T.bmp | 08.11.15 | 16.07 kB |
| mig23_back.bmp | 08.11.15 | 1.00 MB |
| mig23_div.bmp | 08.11.15 | 1.00 MB |
| mig23_fuse.bmp | 08.11.15 | 1.00 MB |
| mig23_loads.bmp | 08.11.15 | 256.07 kB |
| mig23_wings.bmp | 08.11.15 | 1.00 MB |
| mirror.bmp | 08.11.15 | 64.07 kB |
| shadow_switch.bmp | 08.11.15 | 64.07 kB |
| shadow_throttle.bmp | 08.11.15 | 128.07 kB |
| texture.roaf | 08.13.15 | 0 B |
| bangseat.bmp | 08.11.15 | 1.00 MB |
| cockpit1_t.bmp | 08.11.15 | 1.00 MB |
| cockpit2_t.bmp | 08.11.15 | 1.00 MB |
| cockpit3_t.bmp | 08.11.15 | 1.00 MB |
| cockpit4_t.bmp | 08.11.15 | 1.00 MB |
| cockpit5_t.bmp | 08.11.15 | 1.00 MB |
| Crew face.bmp | 08.11.15 | 1.00 MB |
| Crew.bmp | 08.11.15 | 1.00 MB |
| DECAL_hinges.bmp | 08.11.15 | 64.07 kB |
| DECAL_mig23.bmp | 08.11.15 | 64.07 kB |
| DkGrey.bmp | 08.11.15 | 64.05 kB |
| glass.bmp | 08.11.15 | 48.05 kB |
| gunsight.bmp | 08.11.15 | 256.07 kB |
| Lens_L.bmp | 08.11.15 | 21.43 kB |
| Lens_T.bmp | 08.11.15 | 16.07 kB |
| mig23_back.bmp | 08.11.15 | 1.00 MB |
| mig23_div.bmp | 08.11.15 | 1.00 MB |
| mig23_fuse.bmp | 08.11.15 | 1.00 MB |
| mig23_loads.bmp | 08.11.15 | 256.07 kB |
| mig23_wings.bmp | 08.11.15 | 1.00 MB |
| mirror.bmp | 08.11.15 | 64.07 kB |
| shadow_switch.bmp | 08.11.15 | 64.07 kB |
| shadow_throttle.bmp | 08.11.15 | 128.07 kB |
| fx_eng_exhaust_gry.fx | 08.11.15 | 1.10 kB |
| fx_reheat_Alpha_MiG-23.fx | 08.11.15 | 41.59 kB |
| texture | 08.13.15 | 0 B |
| fx_Mig23_Burn.bmp | 08.11.15 | 32.07 kB |
| fx_Mig23_BurnDiamond.bmp | 08.11.15 | 8.07 kB |
| ALPHA_MiG-23.cab | 08.11.15 | 1.58 MB |
| Mig-23-1.JPG | 08.13.15 | 40.57 kB |
| MiG-23-4.JPG | 08.13.15 | 30.29 kB |
| Orginal Readme.txt | 08.11.15 | 1.19 kB |
| Read me.txt | 08.13.15 | 1.38 kB |
| file_id.diz | 08.13.15 | 330 B |
| flyawaysimulation.txt | 10.29.13 | 959 B |
| Go to Fly Away Simulation.url | 01.22.16 | 52 B |
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