What Is The Maximum Altitude Of The SR-71?
What Is The Maximum Altitude Of The SR-71? In 1976, the SR-71 set the records it still holds: flying at a sustained altitude of 85,069 feet, and reaching a top speed of 2,193.2 miles per hour, or Mach 3.3. How high can a SR-71 Blackbird Fly? Today in 1976, the Lockheed SR-71 Blackbird broke the