Aircraft › PBY-5, PB2B-1PBY-5PBY-5PBY-5Modification ofPBY-5, PB2B-1AliasesCatalina IVAProduced684ChangesUS Navy version, delivered September 1940 – July 1943, with R-1830-82 or -92 engines; some went to the RAF as the Catalina IVA.Engines2