[PBY5-A? Wasn’t it called The Catalina flying boat?]
Yes, I believe the British called it the Catalina.
A neighbor of mine(Navy Vet) flew one, taking wounded out of the Okinawa battle zone.
AFAIK, everybody called it the Catalina. That or PBY.
Great bird!
https://en.wikipedia.org/wiki/Consolidated_PBY_Catalina