On Thursday, January 9, 2020 at 11:32:07 AM UTC-8, Charles Longley wrote:

That is exactly correct. The builder of a homebuilt experimental aircraft (could be a glider) is usually issued a Repairman license for that particular aircraft by serial number...

Here's the official EAA position on that:

https://www.eaa.org/eaa/aircraft-bui...er-maintenance

--Bob K.