Category 1 is always the greatest level of hazard (that is, it is the most hazardous within that class). If Category 1 is further divided, Category 1A within the same hazard class is a greater hazard than category 1B. Category 2 within the same hazard class is more hazardous than category 3, and so on.
Correction: An earlier version of this story incorrectly stated that Charles Nungesser and Francois FranÃ§ois coli would have been the first pilots to make a nonstop transatlantic. Flight a pair Of british pilots made such a flight in. 1919
Charles Lindbergh completed the first nonstop transatlantic flight on May 21, 1927. This 33-hour trip from New York to Paris forever changed Lindbergh's life and the future of aviation. Hailed as a hero, the shy, young pilot from Minnesota was unwillingly thrust into the public eye.