What does GPIS stand for?
GPIS stands for "Glider Pilot Instructors School"
How to abbreviate "Glider Pilot Instructors School"?
"Glider Pilot Instructors School" can be abbreviated as GPIS
What is the meaning of GPIS abbreviation?
The meaning of GPIS abbreviation is "Glider Pilot Instructors School"
What does GPIS mean?
GPIS as abbreviation means "Glider Pilot Instructors School"
