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Martin P4M Mercator

Maritime Patrol Bomber Aircraft

Martin P4M Mercator

Maritime Patrol Bomber Aircraft

OVERVIEW
SPECIFICATIONS
ARMAMENT
VARIANTS
HISTORY
MEDIA
OVERVIEW



Martin developed the P4M Mercator to contend for the USN long-range maritime patrol bomber role - it lost to the Lockheed Neptune design.
National Flag Graphic
ORIGIN: United States
YEAR: 1950
MANUFACTURER(S): Glenn L. Martin Company - USA
PRODUCTION: 21
OPERATORS: United States
SPECIFICATIONS



Unless otherwise noted the presented statistics below pertain to the Martin P4M Mercator model. Common measurements, and their respective conversions, are shown when possible.
CREW: 9
LENGTH: 85.30 feet (26 meters)
WIDTH: 114.83 feet (35 meters)
HEIGHT: 26.25 feet (8 meters)
WEIGHT (EMPTY): 48,535 pounds (22,015 kilograms)
WEIGHT (MTOW): 88,405 pounds (40,100 kilograms)
ENGINE: 2 x Pratt & Whitney R-4360 "Wasp Major" air-cooled radial piston engines developing 3,250 horsepower; 2 x Allison J33-A-23 turbojet engines developing 4,600lb of thrust each.
SPEED (MAX): 410 miles-per-hour (660 kilometers-per-hour; 356 knots)
RANGE: 2,840 miles (4,570 kilometers; 2,468 nautical miles)
CEILING: 34,449 feet (10,500 meters; 6.52 miles)




ARMAMENT



STANDARD:
2 x 20mm automatic cannons in nose turret.
2 x 20mm automatic cannons in tail turret.
2 x 12.7mm heavy machine guns in dorsal turret.

OPTIONAL:
Up to 12,000lb of conventional drop stores including bombs, torpedoes, depth charges and naval mines.
VARIANTS



Series Model Variants
• P4M "Mercator" - Base Series Designation
• XP4M-1 - Prototype aircraft with 2 x R-4360-4 series engines fitted; two examples completed.
• P4M-1 - Production-quality aircraft; fitted with 2 x R-4360-20A series engines; 19 examples completed.
• P4M-1Q - Radar CounterMeasures (CM) conversion model; based on existing P4M-1 framework.






MEDIA







Our Data Modules allow for quick visual reference when comparing a single entry against contemporary designs. Areas covered include general ratings, speed assessments, and relative ranges based on distances between major cities.

Image of collection of graph types

Relative Maximum Speed Rating
Hi: 500mph
Lo: 250mph
    This entry's maximum listed speed (410mph).

    Graph average of 375 miles-per-hour.
City-to-City Ranges
NYC
 
  LDN
LDN
 
  PAR
PAR
 
  BER
BER
 
  MSK
MSK
 
  TKY
TKY
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Graph showcases the Martin P4M Mercator's operational range (on internal fuel) when compared to distances between major cities.
Aviation Era
Pie graph section
Pie graph section
Pie graph section
Pie graph section
Pie graph section
Useful in showcasing the era cross-over of particular aircraft/aerospace designs.
Unit Production Comparison
Comm. Market HI*: 44,000 units
Military Market HI**: 36,183 units
21
21

  * Commercial Market High belongs to Cessna 172.

  ** Military Market High belongs to Ilyushin Il-2.


Altitude Visualization
Small airplane graphic
Supported Roles
A2A
Interception
UAV
Ground Attack
CAS
Training
ASW
Anti-Ship
AEW
MEDEVAC
EW
Maritime/Navy
SAR
Aerial Tanker
Utility/Transport
VIP
Passenger
Business
Recon
SPECOPS
X-Plane/Development
A2A=Air-to-Air; UAV=Unmanned; CAS=Close Support; ASW=Anti-Submarine; AEW=Airborne Early Warning; MEDEVAC=Medical Evac; EW=Electronic Warfare; SAR=Search-Rescue
Supported Arsenal
Graphical image of an aircraft medium machine gun
Graphical image of an aircraft heavy machine gun
Graphical image of an aircrat automatic cannon
Graphical image of an aircraft aerial torpedo
Graphical image of an aircraft conventional drop bomb munition
Commitments / Honors
Military lapel ribbon for Operation Allied Force
Military lapel ribbon for the Arab-Israeli War
Military lapel ribbon for the Battle of Britain
Military lapel ribbon for the Battle of Midway
Military lapel ribbon for the Berlin Airlift
Military lapel ribbon for the Chaco War
Military lapel ribbon for the Cold War
Military lapel ribbon for the Cuban Missile Crisis
Military lapel ribbon for pioneering aircraft
Military lapel ribbon for the Falklands War
Military lapel ribbon for the French-Indochina War
Military lapel ribbon for the Golden Age of Flight
Military lapel ribbon for the 1991 Gulf War
Military lapel ribbon for the Indo-Pak Wars
Military lapel ribbon for the Iran-Iraq War
Military lapel ribbon for the Korean War
Military lapel ribbon for the 1982 Lebanon War
Military lapel ribbon for the Malayan Emergency
Military lapel ribbon representing modern aircraft
Military lapel ribbon for the attack on Pearl Harbor
Military lapel ribbon for the Six Day War
Military lapel ribbon for the Soviet-Afghan War
Military lapel ribbon for the Spanish Civil War
Military lapel ribbon for the Suez Crisis
Military lapel ribbon for the Vietnam War
Military lapel ribbon for Warsaw Pact of the Cold War-era
Military lapel ribbon for the WASP (WW2)
Military lapel ribbon for the World War 1
Military lapel ribbon for the World War 2
Military lapel ribbon for the Yom Kippur War
Military lapel ribbon for experimental x-plane aircraft
* Ribbons not necessarily indicative of actual historical campaign ribbons. Ribbons are clickable to their respective campaigns/operations.