What happened
On February 12, 1963, Northwest Orient Airlines Flight 705 departed from Miami International Airport en route to Portland, Oregon, with intermediate stops planned for Chicago, Spokane, and Seattle. Shortly after takeoff, the aircraft encountered a severe thunderstorm. The plane broke apart in midair and crashed into the Florida Everglades.
Investigation
The source material does not provide specific details regarding the investigation's methodology or timeline.
Findings
The available information confirms that the flight disintegrated during adverse weather conditions immediately following departure from Miami.