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VMB-433 Squadron Insignia

Marine Bombing Squadron Four Thirty-Three

 

OUR AIRCRAFT: THE PBJ-1 MITCHELL

Marine Bombing Squadron Six-Fourteen operated North American PBJ-1s; the navalized equivalent of the Army's famous B-25 twin-engine Mitchell bomber.

Our squadron trained initially with the older-model PBJ-1Ds before transitioning to the cannon-armed H-model PBJ.  Although the squadron was designated to deploy to the Pacific with the PBJ-1H, it was decided that due to the reported lack of suitable shipping targets to replace them with J-model PBJs.  Accordingly, VMB-614 deployed overseas with the PBJ-1J, configured with the standard transparent nose for the navigator-bombardier.  The configuration of this aircraft and our squadron's typical markings is illustrated below.

PBJ-1J

General Characteristics:  The North American PBJ-1J medium bomber airplane was a mid-wing land-based monoplane powered by two Wright Cyclone engines.  Characteristic features included a tricycle landing gear, and a double fin and rudder empennage.  In addition to carrying thirteen .50 caliber machine guns, the PBJ-1J was also equipped to carry bombs, depth charges, 5-inch rockets, or an aerial torpedo.  VMB-614's aircraft were finished in the three-tone color scheme adopted by the U.S. Navy in March of 1944sea blue, intermediate sea blue, and white.

Basic Model:  North American B-25J-20/22, and B-25J-25/27.

Wingspan:  67 feet 7 inches.

Wing Area:  610 square feet.

Length:  53 feet 6 inches.

Height:  16 feet 4 inches.

Weight (Empty):  21,100 pounds.

Weight (Maximum Loaded):  35,000 pounds.

Engines:  Two Wright R-2600-29 Double Cyclones.

Propellers: Two three-bladed, full-feathering, Hamilton Standard Hydromatic propellers.

Maximum Speed:  239 knots (275 mph) at 15,000 feet.

Cruising Speed:  200 knots (230 mph).

Stall Speed:  79 knots (90 mph).

Service Ceiling:  24,000 feet.

Range:  1,108 nautical miles (1,275 statute miles) with 3,000 pounds of bombs.

Crew:  Seven (Pilot, Copilot, Navigator-Bombardier, 2 Radio-Gunners, Mechanic-Turret Gunner, and Armorer-Turret Gunner).

PBJ-1J

 

 

 

 

 

 

 

 

 

 

 

 

 

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