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Northrop Delta Transport Aircraft

The Northrop Delta was a further development of the Gamma and appeared during the tumultuous interwar years leading up to World War 2.

 Updated: 8/4/2016; Authored By Staff Writer; Content ¬©

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Northrop Delta 1D-5 Technical Specifications

Service Year: 1933
Type: Transport Aircraft
National Origin: United States
Manufacturer(s): Northrop Corporation - USA
Production Total: 32

Structural (Crew Space, Dimensions and Weights)

Operating Crew (Typical): 2
Overall Length: 32.81 feet (10 meters)
Overall Width: 47.57 feet (14.50 meters)
Overall Height: 10.17 feet (3.10 meters)

Weight (Empty): 4,542 lb (2,060 kg)
Weight (MTOW): 7,352 lb (3,335 kg)

Installed Power and Standard Day Performance

Propulsion: 1 x Wright SE-1820-F2 9-cylinder air-cooled radial piston engine developing 735 horsepower.

Maximum Speed: 221 mph (355 kph; 192 knots)
Maximum Range: 1,650 miles (2,655 km)
Service Ceiling: 20,013 feet (6,100 meters; 3.79 miles)
Rate-of-Climb: 1,200 feet-per-minute (366 m/min)

Armament / Mission Payload


Global Operators / Customers

Australia; Canada; Mexico; Spain; Sweden; United States

Model Variants (Including Prototypes)

Delta - Base Series Name
Delta 1A
Delta 1B
Delta 1C
Delta 1D
Delta I
Delta II
Delta III