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PBM Mariner
From Wikipedia, the free encyclopedia
| PBM Mariner | |
|---|---|
 |
|
| An Australian Mariner in 1944 | |
| Type | flying boat |
| Manufacturer | Martin |
| Maiden flight | February 18, 1939 |
| Introduced | September 1940 |
| Primary users | US Navy Royal Australian Air Force |
| Number built | 1,285 |
The Martin PBM Mariner was a United States Navy patrol bomber flying boat of World War II and the early Cold War period. It was designed to complement the PBY Catalina in service. 1,285 were built, with the first example flying on February 18 1939 and the type entering service in September 1940.
The aircraft was fitted with five gun turrets and bomb bays that were in the engine nacelles. The gull wing was of cantilever design, and featured clean aerodynamics with an unbraced twin tail. The PBM-1 was equipped with retractable wing landing floats that were hinged inboard, while the PBM-3 had fixed floats. Also the fuselage of the PBM-3 was three feet longer than the PBM-1.
The British Royal Air Force acquired 32 Mariners. They were not used operationally and some were returned to the United States Navy and twelve were transferred to the Royal Australian Air Force for transporting troops and cargo.
The Dutch Navy acquired seventeen PBM-5a Mariners at the end of 1955 for service in former Dutch New Guinea. The PBM-5a is an amphibian plane with retractable landing gear. The engines are 2100 hp Pratt & Whitney R-2800-34. After several incidents the Dutch scrapped the aircraft in January 1960.
- Marine Luchtvaartdienst - PBM-5a. (1955-1960)
Data from Jane’s Fighting Aircraft of World War II[2]
General characteristics
- Crew: Seven
- Length: 77 ft 2 in (23.50 m)
- Wingspan: 118 ft 0 in (36 m)
- Height: 17 ft 6 in (5.33 m)
- Wing area: 1,408 ft² (131 m²)
- Empty weight: 33,175 lb (15,048 kg)
- Loaded weight: 56,000 lb (25,425 kg)
- Powerplant: 2× Wright R-2600-12 14-cylinder radial engines, 1,700 hp (1,300 kW) each
Performance
- Maximum speed: 178 knots (205 mph, 330 km/h)
- Range: 2,600 nm (3,000 mi, 4,800 km)
- Service ceiling: 19,800 ft (6,040 m)
- Rate of climb: 800 ft/min (4.1 m/s)
- Wing loading: lb/ft² (kg/m²)
- Power/mass: hp/lb (W/kg)
Armament
- 4 × .50 in machine guns (one each in: nose and dorsal turrets, blisters amidships )
- 4,000 lb (1,800 kg) of bombs or depth charges or 2 × Mark 13 torpedoes
- ^ Martin PBM-3/5 Mariner. United States Coast Guard (January 2003). Retrieved on 2007-08-01.
- ^ Jane, Fred T. “The Martin Model 162 Mariner.” Jane’s Fighting Aircraft of World War II. London: Studio, 1946. p. 245. ISBN 1 85170 493 0.
Related development
Comparable aircraft
Designation sequence
Related lists
- List of bomber aircraft
- List of military aircraft of the United States
- List of seaplanes and flying boats
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