Lockheed Ventura / Lexington / Harpoon


1st Flight 1941

Crew: 6

Length: 51 ft 5 in (15.7 m)

Wingspan: 65 ft 6 in (20 m)

Height: 11 ft 10 in (3.6 m)

Wing area: 551 sq ft (51.2 m2)

Empty weight: 20,197 lb (9,161 kg)

Gross weight: 31,000 lb (14,061 kg)

Max takeoff weight: 34,000 lb (15,422 kg)

Powerplant: 2 × Pratt & Whitney R-2800 radial engines, 2,000 hp (1,500 kW) each


Maximum speed: 322 mph (518 km/h, 280 kn)

Cruise speed: 230 mph (370 km/h, 200 kn)

Range: 1,660 mi (2,670 km, 1,440 nmi)

Ferry range: 2,600 mi (4,200 km, 2,300 nmi)

Service ceiling: 26,300 ft (8,020 m)

Rate of climb: 2,035 ft/min (15.4 m/s)

Wing loading: 56.4 lb/sq ft (275 kg/m2)

Power/mass: 0.13 hp/lb (0.21 kW/kg)



4 × .50 BMG (12.7 mm) Browning M2 machine guns

2 × .30 cal. (7.62 mm) M1919 Browning machine guns


3,000 lb (1,400 kg) general ordnance or

6 × 325 lb (147 kg) depth charges or

1 × torpedo


The Lockheed Ventura is a twin-engine medium bomber and patrol bomber of World War II.


US designation for the Model 137 (with 2000hp R-2800-31 engines) bought for the Royal Air Force, 200 built and designated the Ventura IIA by the British.


Former Royal Air Force Ventura’s returned to USAAF under a reverse lend-lease.


B-34As converted as navigation trainers.


Lockheed Model 437 for the USAAF (with 1700hp R-2600-13 engines), only 18 out of an order of 550 built for armed observation.

Originally designated the O-56, it was later designated the RB-37.


United States Navy version of the B-34; 1,600 built.

A total of 388 were delivered to the Royal Air Force as the Ventura GR.V, others to the RAAF, RNZAF and SAAF.


Designation for PV-1s fitted with a camera installation.

PV-2 Harpoon

Updated model with larger fin and wing area; 470 built.


Modified version of the PV-2 used for training; 30 built.


Same as PV-2 but with eight 0.5in nose guns; 35 built.


Designation for PV-2s used for crew training.


Twenty-seven former RAF Ventura IIs requisitioned by the USN.

Ventura I

R-2800-S1A4-G powered variant for the Royal Air Force; 188 built, 30 to the RCAF and some to the SAAF, later re-designated the Ventura GR.I.

Ventura II

R-2800-31 powered variant for the RAF, 487 built, some transferred to the USAAC and USN.

Ventura IIA

British designation for the B-34.

Ventura V

British designation for the PV-1, later designated Ventura GR.V.

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