simpleplanes-1.21.1-5.3.8.jar is a release file of the Minecraft mod Simple Planes (NeoForge) for NeoForge, made for Minecraft 1.21.1. It was published on August 9, 2026 and is 1 MB in size. For the full description, screenshots and every other version, visit the Simple Planes (NeoForge) mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
