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
Earhart Becomes the First Woman to Fly Over the Atlantic. In 1927, aviator Charles Lindbergh made history by becoming the first person to fly non-stop across the Atlantic, from the U.S. to England. A year later, Amelia Earhart was asked to make a non-stop flight across the same ocean.