![SR-71 Blackbird was a supersonic plane over mountain range](http://static.sciencelearn.org.nz/images/images/000/000/417/full/Lockheed_SR-71_Blackbird.jpg?1674164277)
The SR-71 Blackbird was a supersonic plane. It is the fastest piloted plane able to fly more than three times the speed of sound (Mach 3).
The SR-71 Blackbird was a supersonic plane. It is the fastest piloted plane able to fly more than three times the speed of sound (Mach 3).