Microsoft Flight Simulator 4.0 vs Microsoft Flight Simulator 5.1

Microsoft Flight Simulator 4.0 brings early digital aviation to life with detailed scenery for five major U.S. cities, including New York and Los Angeles. It supports CGA through VGA graphics and offers multi-user play for shared experiences. The version also integrates add‑on support such as Microsoft's Aircraft & Scenery Designer and Sublogic's USA scenery series, expanding the simulation's depth for hobbyists and aspiring pilots.

Microsoft Flight Simulator 5.1 introduced satellite imagery and extensive scenery libraries, delivering a more authentic visual experience than its predecessors. It was the first in the series to ship on CD-ROM, offering faster load times and improved performance on DOS systems. The edition added true-to-life weather effects such as storms, 3D clouds, and fog, making each flight feel dynamic and immersive. As the final DOS version, it remains a nostalgic classic for flight simulation enthusiasts.

• Authentic retro graphics and sound.
• Rich city scenery for five major locations.
• Extensible with add‑ons and custom content.
• Supports both single-player and multi-user modes.

• Realistic satellite-based scenery
• Dynamic weather system
• Fast CD-ROM loading
• Extensive support for custom scenery

• Limited to DOS/PC hardware of its time.
• No modern graphics or VR support.
• Multiplayer requires manual setup.

• Runs only on DOS
• Limited graphics compared to modern sims
• No multiplayer support