Jamie Shelden at the USHPA BOD meeting writes:

I have an answer now. Here is the question again: Must a USHPA
certified instructor who teaches at a site where the landowner doesn't require
insurance be affiliated with/certified by PASA? The answer is no, but with an
important caveat. If a USHPA certified instructor is not PASA certified/covered
and is sued and the USHPA is named in the suit (because the USHPA certified the
instructor and is highly likely to be named), the RRG is obligated to and will
pursue indemnity (for defending itself against the suit and for any judgment)
against the instructor and the school.

USHPA certified Instructors (USHPA instructor members) that teach
at places like Lookout, Quest Air, Wallaby, and the Florida Ridge are not
required to belong to a PASA certified school because these sites are not USHPA
insured sites.