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 (1902-1974): Made the First Solo Nonstop Flight Across the Atlantic Ocean. Download MP3 (Right-click or option-click the link.) EXPLORATIONS -- a program in Special English by the Voice of America. Today, Richard Rael and Shep O'Neal tell the story of one of America's most famous pilots, Charles Lindbergh.