premise: Beryl Markham (née Clutterbuck, 26 October 1902 – 3 August 1986) was a British-born Kenyan aviator (one of the first bush pilots), adventurer, racehorse trainer and author. She was the first woman to fly solo across the Atlantic from east to west. She wrote about her adventures in her memoir, "West with the Night".
hypothesis: She was the 2nd bush pilot ever
reason: It says she was one of the first bush pilots, but we can't tell exactly what number she was.