The Martin PBM Mariner was a replacement for the Consolidated PBY Catalina.
During World War II Australia, Britain, and the United States used the Mariner. Many countries used the Mariner into the 1950s.
In 1941 the VP-74 Patrol Squadron received the first PBM-1s.
Rocket Assisted Take Off (RATO)
The United States Navy first used RATO on a stranded PBM in the Colorado River.
The No 524 Squadron were equipped with Mariner GR MkIs for a short time.
The British returned the 27 Mariners that they had without using them in combat. They had them only 6 weeks.
On June 30, 1942 was a PBM Mariners first kill when Lieutenant Richard E. Schreder sank U-158 near Bermuda.
On August 6, 1943 seven PBMs sank U-615 near Aruba.
By the end of World War II, PBM Mariners sank twelve U-Boats.
In 1943 Australia received 122 PBM-3R transports. These were used from Australia to New Guinea from mid 1944.