Model Variants (Including Prototypes)
PBY Catalina - Base Series Name
Model 28 - Base Prototype Model Designation
XP3Y-1 - Prototype Model Designation
PBY-1 - Initial Production Model featuring improved and more powerful R-1830-64 900hp engines; 60 produced.
PBY-2 - Modified United States Navy Model of which 50 were produced.
PBY-3 - Fitted with R-1830-66 1,000hp engines of which 66 were produced.
PBY-4 - Integrated the recognizable fuselage "blister" gun positions; name "Catalina" is utilized for the series; fitted with R-1830-72 1,050hp radial engines of which 33 produced.
PBY-5 - R-1830-82 or R-1830-92 radial engines capable of 1,200hp; export version for UK, Dutch East Indies, Australia and Canada; Tricycle landing gear testing implemented and integrated to final PBY-5 production models making the system completely amphibious; general improvements throughout.
PBY-5A - Full Amphibious Variant of which 761 were produced.
PBY-5B - Improved Amphibious Model
Mk I - RAF Coastal Command Designation of the PBY-5 model series.
Canso - Canadian designation of the PBY-5 model series as produced by Canadian Vickers and Boeing of Canada.
PBN-1 "Nomad" - Naval Aircraft Factory production model with taller fin and rudder systems; model supplied to the USSR; aerodynamic and hydrodynamic improvements to airframe.
PBY-6A - "Amphibians" with search radar installed.
OA-10B - United States Air Force Designation of the PBY-6A Catalina amphibians.
GST - Model Designation of PBY series as produced by the USSR; unknown production numbers.