SASL is a scripting plugin for X-Plane which connects lua scripts and runs them in a virtual machine. SASL is a very powerful, yet easy to understand framework that allows designers to write complex (or simple) plugins for their aircraft. SASL can basically do almost everything the native X-PLANE SDK can do, and in some sense even more. SASL has many preprogrammed features like font drawing, geometric shape drawing, interpolations and many other built-in features.

The benefits of SASL over the direct use of X-Plane SDK are:

The current beta version for SASL 3 can be downloaded here: SASL-v3-beta2

Download the v3.x docs here: v3.x


The current version of SASL can be downloaded (64 bit only) here: SASL-v2.4.25

The legacy version (which includes 32 bit versions) here: SASL-v2.02

Download the manual here: v2 manual

Download the v2.x change log here: v2.x changelog

To learn more about SASL and discuss with other designers visit the forum

Commercial SASL

Commercial SASL provides designers with the ability to encode and key protect their product. There are two types of protection available:

To learn more about commercial SASL please write us an email to info AT