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
It was on November 12, 1906, when Santos-Dumont flew a kite-like contraption with boxy wings called the 14-Bis some 722 feet (220 meters) on the outskirts of Paris. It being the first public flight in the world, he was hailed as the inventor of the airplane all over Europe. It was only later that the secretive Orville and Wilbur Wright proved they had beaten Santos-Dumont at Kitty Hawk, North Carolina, three years earlier on December 17.