SR-71 Blackbird vs U-2 Dragon Lady

American strategic reconnaissance aircraft, operational from 1966-1998, unmatched speed and altitude records, infamous for Cold War and NASA missions.
Picture of SR-71 Blackbird
Origin country 🇺🇸 United States
Category Military Special Mission Aircraft
Manufacturer Lockheed
First flight 22 December 1964
Year introduced 1966
Number produced 32 units
Average unit price $185 million
American high-altitude reconnaissance aircraft, known for extensive Cold War era operations and various military applications worldwide.
Picture of U-2 Dragon Lady
Origin country 🇺🇸 United States
Category Military Special Mission Aircraft
Manufacturer Lockheed
First flight 1 August 1955
Year introduced 1956
Number produced 104 units
Average unit price $50 million
Wing area 167.0 m² ◉
Wingspan 17.0 m â—‰
Height 5.7 m â—‰
Length 32.8 m â—‰
Maximum speed 3541 km/h â—‰
Operational range 5,230 km â—‰
Service ceiling 25,908 m â—‰
Max. takeoff weight 78,018 kg â—‰
Empty weight 30,617 kg â—‰
Total thrust 2 x 11,340 kgf â—‰
Profile drawing of Lockheed SR-71 Blackbird
Wing area 93.0 m² ◉
Wingspan 31.0 m â—‰
Height 4.9 m â—‰
Length 19.0 m â—‰
Maximum speed 805 km/h â—‰
Operational range 11,280 km â—‰
Service ceiling 21,336 m â—‰
Max. takeoff weight 18,144 kg â—‰
Empty weight 6,486 kg â—‰
Total thrust 1 x 8,618 kgf â—‰
Profile drawing of Lockheed U-2 Dragon Lady

Performance Radar Chart

Frequently Asked Questions

Which is faster, the SR-71 Blackbird or U-2 Dragon Lady?
The SR-71 Blackbird is faster with a maximum speed of 3,541 km/h compared to the U-2 Dragon Lady's 805 km/h, a difference of 2,736 km/h.
Which has longer range, the SR-71 Blackbird or U-2 Dragon Lady?
The U-2 Dragon Lady has a longer range at 11,280 km compared to the SR-71 Blackbird's 5,230 km.
Which can fly higher, the SR-71 Blackbird or U-2 Dragon Lady?
The SR-71 Blackbird has a higher service ceiling at 25,908 meters (85,000 ft) compared to the U-2 Dragon Lady's 21,336 meters (70,000 ft).
Which is heavier, the SR-71 Blackbird or U-2 Dragon Lady?
The SR-71 Blackbird has a higher maximum takeoff weight at 78,018 kg compared to the U-2 Dragon Lady's 18,144 kg.
Which is larger, the SR-71 Blackbird or U-2 Dragon Lady?
The SR-71 Blackbird is longer at 32.8 meters compared to the U-2 Dragon Lady's 19.0 meters.
Which is more expensive, the SR-71 Blackbird or U-2 Dragon Lady?
The SR-71 Blackbird is more expensive at approximately $185 million per unit compared to the U-2 Dragon Lady at $50 million.
Which entered service first, the SR-71 Blackbird or U-2 Dragon Lady?
The U-2 Dragon Lady entered service first in 1956, 10 years before the SR-71 Blackbird which entered service in 1966.
Which has been built in greater numbers, the SR-71 Blackbird or U-2 Dragon Lady?
The U-2 Dragon Lady has been produced in greater numbers with 104 units compared to 32 units of the SR-71 Blackbird.