Version Overview
XP3Y-1 - prototype
XPBY-1 - modified XP3Y-1
PBY-1 - serial version
PBY-2 - modified tail
PBY-3 - more powerful engine
PBY-4 - more powerful engine
PBY-5 - modified tail, convex dorsal shooting range
PBY-5A - amphibian
PBY-6A - high tail, amphibian
PBN-1 Nomad - licensed version with reworked hull and high tail
PB2B-1 - licensed PBY-5 built by Boeing of Canada
PB2B-2 - PB2B-1 with high tail
PBV-1A - licensed PBY-5A ordered from Canadian Vickers, delivered as OA-10A
Canso - Canadian designation for PBY-5 (Catalina Mk.IIA)
Canso A - Canadian designation for PBY-5A, specifically Catalina Mk.IA and licensed PBY-5A manufactured by Canadian Vickers
Catalina Mk.I - British designation for PBY-5 bought directly
Catalina Mk.IA - British designation for PBY-5A
Catalina Mk.IB - British designation for PBY-5B (PBY-5 obtained through Lend- Lease)
Catalina Mk.II - British designation for PBY-5 obtained through Lend-Lease, modified equipment
Catalina Mk.IIA - directly ordered similar PBY-5 for Canada
Catalina Mk.IIIA - British designation for PBY-5A, modified equipment
Catalina Mk.IVA - British designation for PBY-5, modified equipment
Catalina Mk.IVB - British designation for PB2B-1
Catalina Mk.VI - British designation for PB2B-2
OA-10 - PBY-5A taken over by USAAF
OA-10A - PBY-5A made by Canadian Vickers for USAAF
OA-10B - PBY-6A taken over by USAAF
GST - Russian license variant PBY-1
XP3Y-1 - prototype
XPBY-1 - modified XP3Y-1
PBY-1 - serial version
PBY-2 - modified tail
PBY-3 - more powerful engine
PBY-4 - more powerful engine
PBY-5 - modified tail, convex dorsal shooting range
PBY-5A - amphibian
PBY-6A - high tail, amphibian
PBN-1 Nomad - licensed version with reworked hull and high tail
PB2B-1 - licensed PBY-5 built by Boeing of Canada
PB2B-2 - PB2B-1 with high tail
PBV-1A - licensed PBY-5A ordered from Canadian Vickers, delivered as OA-10A
Canso - Canadian designation for PBY-5 (Catalina Mk.IIA)
Canso A - Canadian designation for PBY-5A, specifically Catalina Mk.IA and licensed PBY-5A manufactured by Canadian Vickers
Catalina Mk.I - British designation for PBY-5 bought directly
Catalina Mk.IA - British designation for PBY-5A
Catalina Mk.IB - British designation for PBY-5B (PBY-5 obtained through Lend- Lease)
Catalina Mk.II - British designation for PBY-5 obtained through Lend-Lease, modified equipment
Catalina Mk.IIA - directly ordered similar PBY-5 for Canada
Catalina Mk.IIIA - British designation for PBY-5A, modified equipment
Catalina Mk.IVA - British designation for PBY-5, modified equipment
Catalina Mk.IVB - British designation for PB2B-1
Catalina Mk.VI - British designation for PB2B-2
OA-10 - PBY-5A taken over by USAAF
OA-10A - PBY-5A made by Canadian Vickers for USAAF
OA-10B - PBY-6A taken over by USAAF
GST - Russian license variant PBY-1