Charles Blair used pre-computed navigation tables made by P. V. H. Weems on the first solo trans-polar flight. Blair made the flight in modified P-51 Mustang named Excalibur III, now on display at the Steven F. Udvar-Hazy Center.
Made first solo trans-polar flight with Weems pre-comp navigation
Image Date: 1951
Credit: National Air and Space Museum, Smithsonian Institution.