All current and future CSS 737 Classic variants in one package
With just one purchase, you get the 737-300, 737-400 and 737-500, as well as future access to the 737-300SF and 737-400SF upon their release at no additional cost.
Available
CSS 737 Classic Family for MSFS 2020 and 2024
The entire 737 Classic family at your helm, with a single purchase.
Old-School Cool
The 737-300, 737-400 and 737-500 all in one package - bringing perfect flexibility to your Flight Simulation Missions. These aircraft all feature hand-crafted study-level systems, fully functional FMC U5.0 with LNAV and VNAV, flight dynamics tested by real pilots, a versatile EFB with SimBrief and Navigraph integration, and era-accurate early RNAV-capable navigation without GPS.
Previews
Features
Unsure? Try it out for less than the price of a coffee!
You can try the 737 Classic Family Package for a month or a year at a reduced price, exclusively via the CSS Launcher. This is not a subscription - if you do not wish to renew, your license will simply expire with no further action needed.
Frustratingly Realistic
We have built this airplane to be as true to life as possible with the good, the bad and the ugly. It might catch you off guard at times, and it does require some study - but once you get into the rhythm, it becomes extremely rewarding.
In-depth externally-run Systems
Our systems are built from scratch and run entirely outside of the simulator, free from its limitation. This means that we have been able to simulate all system intricacies just as you would see them on the real airplane. From Engines to Hydraulics, Pneumatics and Electrics, the airplane lives and breathes in the CSS Core.
FMC U5.0 with LNAV/VNAV, but no GPS
The core of the airplane is an era-accurate rendition of FMC software version U5, with swappable NavData, SimBrief Route Uplink capability, fully functional LNAV and a less advanced VNAV than many are used to. The aircraft is also not equipped with GPS, and we have simulated realistic IRS drift and DME/DME positioning to spice up your flights.
A Cockpit that feels alive
Feel immersed in our Cockpit thanks to hand-crafted models, textures and hundreds of animations. Things will shake and rattle about as you move on the ground, while features such as a dynamic takeoff card, an interactive paper checklist and animated sun visors will add a touch of real operating experience.
Custom EFB with SimBrief and Navigraph integration
The CSS EFB features Navigraph Charts, SimBrief OFP Import, METAR Uplink, Weight and Balance, Panel States, Takeoff and Landing Performance Calculators and robust customization to fit every Captain's needs!
Detail-Oriented Modeling and Texturing, inside and out
A fully-modeled cabin with small details like FA panel switches to control the Cabin Lights will greet you once you step out of the cockpit, while the exterior model with its customizable livery-specific features such as Winglets and Eyebrow Windows makes for breathtaking screenshots.
Crew Simulation with Customizable Voice Packs
Your Cabin Crew plays Boarding Music, controls the Cabin Lights, Arms/Disarms doors, plays Cabin Announcements and reports to the Cockpit when the Cabin is ready for Takeoff and Landing. Your First Officer controls their onside displays and announces takeoff speeds. The Voice Packs are highly customizable and airline-specific, so you can record your own!
Realistic Flight Model with Icing Simulation, tested by Real Pilots
Each aircraft has its own engine and flight model, so there are subtle differences in handling between variants. We have fine-tuned the flight dynamics based on feedback from Real 737 Classic Pilots to ensure that the aircraft always behaves realistically at your helm. Icing affects the handling characteristics, too, so don't forget your Anti Ice!
Purchase Options
You can purchase the 737 Classic directly via the CSS Launcher or via one of our Partner Stores.
System Requirements
PC ONLY
Minimum System Requirements
• Internet: Reliable Broadband Internet connection • Storage Requirements: 5GB Disk Space • Processor: 7th Generation Intel i5 or Ryzen 5 3600 CPU or equivalent • Memory: 8GB • Graphics Card: NVIDIA GTX 970 or equivalent
PC ONLY
Recommended System Requirements
• Internet: Reliable Broadband Internet connection • Storage Requirements: 5GB Disk Space • Processor: 10th Generation Intel i7 or Ryzen 5 5600 CPU or equivalent • Memory: 16GB • Graphics Card: NVIDIA RTX 3080 Ti or equivalent
Required Software
MSFS 2020 or 2024, CSS Launcher
Use the CSS Launcher to manage your license, install and manage aircraft and liveries and recieve support. CSS Launcher must be running for the entire duration of your flight. Microsoft Flight Simulator 2020 or Microsoft Flight Simulator 2024 is required for this add-on. Windows 10 or Windows 11 required.
Manuals, Updates, and Support
Check out the Knowledge Base
With installation instructions, troubleshooting steps and fun facts about the aircraft.
Open Knowledge Base→Track the latest Updates
Check the latest update notes, developer previews and news in the CSS Blog!
View Updates→Get Support
Encountered an issue? Our support staff are on hand to assist you. Make sure to read the FAQ first!
Open Support Center→Ready for departure?
Download the CSS Launcher, choose your license option, and install the CSS 737 Classic.