TYPE: Patrol and Long-range Anti-submarine Flying-boat

ACCOMMODATION: Crew of nine

POWER PLANT: Two Wright R-2600-12 “Cyclone 14” engines, rated at 1,200 h.p. each

PERFORMANCE: 198 m.p.h. at 13,000 ft

COMMENT: This long-range anti-submarine variant of the basic Martin PBM “Mariner”  carried a AN/APS-15 radar in a large housing above and behind the cockpit. Up to 2,000 lb bombs or depth-charges could be carried. A total of 156 of this version were built.