Aircraft family
737-300 / 400 / 500
Choose the Classic variant that fits the route: the shorter 737-300, the stretched 737-400, or the 737-500 for compact passenger operations.
Bring the Classic back to the flight line
Fly the CSS 737-500 Classic in Microsoft Flight Simulator 2020 and 2024, with Classic-era navigation, a custom EFB, SimBrief/Navigraph support, and updates through CSS Launcher.
Feel the rhythm of the Classic
The CSS 737 Classic family brings the 737-300, 737-400, and 737-500 into Microsoft Flight Simulator 2020 and 2024 with a shared Classic cockpit philosophy: FMC v5 navigation, IRS alignment, LNAV/VNAV, autoland, weather and terrain radar, working wipers, icing behavior, and a custom EFB with SimBrief and Navigraph support.
Explore→
Classic cockpit logic
FMC v5, IRS, LNAV/VNAV
Shared cockpit workflows focus on Classic-era navigation, flight guidance, autoland, weather awareness, and hands-on aircraft management.
One launcher workflow
Install, update, support
Use CSS Launcher to manage products, licenses, aircraft installs, updates, documentation, and support tickets from one place.
Manuals, updates, and support in one place
Find setup guides, release notes, support links, and product details without hunting through separate pages.
Knowledge base
Read manuals, setup notes, and fixes — Find setup guides, license steps, aircraft install notes, troubleshooting paths, and log locations without searching around.
Search setup guides→Support center
Support when you need a ticket — Open launcher tickets, check common questions, and find official CSS Software community links from one support center.
Get support→Updates you can read at a glance
View Updates→CSS 737-500 v1.9.0: SimBrief import, virtual crew, and custom sim events
This release adds CO RTE import from SimBrief, virtual crew features, new cockpit details, and a long list of system fixes.
Next CSS 737-500 update enters final testing
The next 737-500 update is in final testing, with feature details held until release.
737 Classic V2: cockpit and exterior previews
New WIP previews show V2 cockpit, wing, Krueger flap, and fuselage modelling progress.
Version 1.7.8: flight-model fixes and new liveries
Version 1.7.8 brings flight-model, FCC, VNAV, TCAS, N1, and livery fixes through CSS Launcher.
Official community channels
Discord and YouTube stay visible from the home page after the quick updates scan.
Ready for departure?
Download CSS Launcher, install the 737-500, choose your access option, and keep the aircraft updated from one place.