CSS Software

Aircraft Customization

Paintkits

Links to paintkits for the CSS 737 Classic.

Updated Latest published version

Official Substance Painter Paintkits for the CSS 737 Classic are hosted on flightsim.to.

CSS 737-500 Painkit

CSS 737-300 Paintkit

CSS 737-400 Paintkit

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Livery Customization

Information on livery-specific aircraft customization options.

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Source: CSS Launcher User Manual, Rev. 5 — December 2025.