EASA CS-VLA is the European Aviation Safety Agency Certification Specification for Very Light Aircraft.
The Very Light Aircraft or VLA aircraft certification category introduced in 2003 by the EASA (European Aviation Safety Agency) is intended to make it easier and less costly to get full European certification of a general aviation aircraft. The somewhat relaxed certification procedure is available for aircraft satisfying the following criteria:
A CS-VLA aircraft is not certified for aerobatics and may be flown under daylight visual flight rules only.