At 00:09 23 November 2018, Dave Springford wrote:
Schempp-Hirth gliders have a 6000 hr limit before the first
inspection, and
if IRRC, all Schleicher gliders have a 3000 hr limit before the first
inspection.

Not entirely. Many Schempp-Hirth gliders have a 6000 hours
inspection as their first lifetime extension, but not all. Some,
including the older tupes like Standard Cirrus, have it at 3000 for
the first time.