Martin P5M Marlin
US Coast Guard Martin P5M-2G Marlin
Description
Role	Naval patrol and ASW flying boat
Crew	8
First Flight	1948
Entered Service
Manufacturer	Glenn L. Martin Company
Dimensions
Length	100 ft 7 in	30.7 m
Wingspan	117 ft 2 in	35.7 m
Height	32 ft 9 in	10.0 m
Wing area	1,406 ft²	130.1 m²
Weights
Empty	50,485 lb	22,900 kg
Loaded	85,000 lb	38,600 kg
Maximum takeoff	lb	kg
Powerplant
Engines	2 × Wright R-3350-32WA radials
Power	2 × 3,450 hp	2,570 kW
Performance
Maximum speed	251 mph	404 km/h
Combat range	2,050 miles	3,300 km
Ferry range	miles	km
Service ceiling	24,000 ft	7,300 m
Rate of climb	ft/min	m/min
Wing loading	lb/ft²	kg/m²
Power/Mass	hp/lb	kW/kg
Avionics
Avionics	AN/APS-44 radar
Armament
Guns
Bombs
Missiles
Rockets
Other

The Martin P5M Marlin, built by the Glenn L. Martin Company of Middle River, Maryland, was the last flying boat in service with the United States Navy and the US armed forces in general. Built as a successor to the PBM Mariner, the new hull form and new conventional tail were fitted to a Mariner to become the XP5M Marlin prototype. Martin P5M Marlin. ... The R-3350 Duplex-Cyclone was one of the most powerful radial aircraft engines produced in the United States. ... The Glenn L. Martin Company was an aircraft company founded by aviation pioneer Glenn L. Martin on August 16, 1912. ... Middle River is a census-designated place located in Baltimore County, Maryland. ... Boeing 314 A flying boat is an aircraft that is designed to take off and land on water, in particular a type of seaplane which uses its fuselage as a floating hull (instead of pontoons mounted below the fuselage). ... Jump to: navigation, search The United States Navy (USN) is the branch of the United States armed forces responsible for naval operations. ... The Martin PBM Mariner was a US Navy patrol bomber flying boat of World War II and the early Cold War period. ...

The Marlin was designed as a gull-winged aircraft to lift the engines and propellers high above the spray. Power was by two Wright R-3350 radial engines. The hull, somewhat inspired by the Japanese Kawanishi H8K of World War II, did not lift sharply from the water at the tail, instead rising up steadily; this gave the aircraft a longer base of flotation and reduced "porpoising" over waves. The gull-winged PBM Mariner. ... The R-3350 Duplex-Cyclone was one of the most powerful radial aircraft engines produced in the United States. ... Radial engine of a biplane. ... The Kawanishi H8K (二式大型飛行艇, Type 2 Large Flying Boat. ... Jump to: navigation, search World War II was a truly global conflict with many facets: immense human suffering, fierce indoctrinations, and the use of new, extremely devastating weapons such as the atom bomb World War II, also known as the Second World War, was a mid-20th-century conflict that...

The prototype had nose and tail turrets with twin 20 mm cannon in each, as well as a dorsal turret with two 0.5 in (12.7 mm) M2 machine guns. The cockpit area was the same as the Mariner's. It first flew in May 1948. This article is about the . ... Jump to: navigation, search 1948 is a leap year starting on Thursday (link will take you to calendar). ...

The first of 167 production P5M-1 aircraft was produced in 1949. Changes from the prototype included a raised flight deck for improved visibility, the replacement of the nose turret with a large radome for the APS-80 search radar, the deletion of the dorsal turret, and new, streamlined wing floats. The engine nacelles were lengthened to provide room for weapons bays in the rear. Jump to: navigation, search 1949 is a common year starting on Saturday. ... A radome (radar dome) is a weatherproof enclosure used to protect an antenna. ...

The P5M-1 was followed by 116 P5M-2 planes. These had a T-tail to put the tail surfaces out of the spray, a MAD boom at the rear of the tail-tip, no tail guns, better crew accommodation and an improved bow to reduce spray during takeoff and landing. In aircraft a T-tail is an arrangement of the tail control surfaces with the horizontal surfaces (tailplane and elevators) mounted to the top of the fin, rather than the more common location on the fuselage at the base of the fin. ... A magnetic anomaly detector (MAD) is a piece of equipment that is used to detect minute variations in the Earths magnetic field. ...

The Marlin could be equipped with a weapons payload from:

• 4 x 980 kg torpedoes.
• 4 x 900 kg mines or bombs.
• 8 x 450 kg mines.
• 16 x 230 kg bombs.
• 16 x 150 kg depth charges.

Production

• P5M-1 (P-5A) - This was the first production model US Navy. 160 built.
• P5M-1S (SP-5A) - Redesignation of the P5M-1, with upgraded electronic and anti-submarine equipment.
• P5M-2 (P-5B) - This was the second production model for the US Navy. 115 built.
• P5M-1G - Redesignation of seven aircraft used by the US Coast Guard.
• P5M-1T (TP-5A) - Redesignation of former USCG P5M-1Gs, used by the US Navy as crew trainers.
• P5M-2G - Redesignation of four aircraft used by the US Coast Guard.
• P5M-2S (SP-5B) - Redesignation of most P5M-2s after being fitted with advanced avionics, and anti-submarine detection equipment.
• SP-5 - SIGINT/ELINT version used over Viet-Nam.

Jump to: navigation, search SIGINT stands for SIGnals INTelligence, which is intelligence-gathering by interception of signals, whether by radio interception or other means. ... ELINT stands for ELectronic INTelligence, and refers to intelligence-gathering by use of electronic sensors. ... The Socialist Republic of Vietnam is a country in Southeast Asia. ...

Operators

US Navy

US Coast Guard

Seven P5M-1Gs and four P5M-2Gs were built for the US Coast Guard for air-sea rescue service, but the service found the planes difficult to maintain and surplus to requirements. They were given to the Navy, which used them as trainers since they had no provision for armament. Coast Guard shield The United States Coast Guard is the coast guard of the United States. ...

French Navy

The French Navy took delivery of ten ex-USN Marlins in 1959 to replace Short Sunderlands in maritime patrol service, based out of Dakar, Senegal in West Africa. They were returned five years later. The French Navy (Marine Nationale) is the naval arm of the French military and is the second-largest Western European navy (the largest being the United Kingdoms Royal Navy). ... Jump to: navigation, search 1959 was a common year starting on Thursday of the Gregorian calendar. ... The Sunderland, S.25, was a flying boat patrol bomber, developed for the Royal Air Force by Short Brothers, based on their successful S.23 Empire flying boats, the flagship of Imperial Airways. ... Jump to: navigation, search (City of Dakar, divided into 19 communes darrondissement) City proper (commune) Région Dakar Département Dakar Mayor Pape Diop (PDS) (since 2002) Area 82. ...

see also

Specifications

The Martin PBM Mariner was a US Navy patrol bomber flying boat of World War II and the early Cold War period. ... Jump to: navigation, search The Beriev Be-12 Чайка (Chaika - Seagull NATO reporting name Mail) was a Soviet twin-turboprop-powered amphibious development of the Be-6 Madge flying boat with primary roles of anti-submarine and maritime patrol aircraft. ... The Sunderland, S.25, was a flying boat patrol bomber, developed for the Royal Air Force by Short Brothers, based on their successful S.23 Empire flying boats, the flagship of Imperial Airways. ... The Martin P4M Mercator was an unsuccessful contender for a United States Navy requirement for a long-range maritime patrol bomber; the preferred aircraft was the Lockheed P2V Neptune. ... The Martin P6M SeaMaster, built by the Glenn L. Martin Company, was a 1950s strategic bomber flying boat for the United States Navy that almost entered service; production aircraft had been built and Navy crews were undergoing operational conversion, with a service entry about six months off, when the program... Jump to: navigation, search This list of military aircraft of the United States includes prototype, pre-production and operational types. ... The following is a list of flying boats and seaplanes Canada Bombardier CL 415, Canada, 1993, firefighting, amphibious China Harbin SH 5, Peoples Republic of China, 1976, Amphibious Germany Blohm & Voss BV 222 Blohm & Voss BV 238 Blohm & Voss Ha 139 Dornier Do 18 Dornier Do 24 Dornier Do...