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Video answers: ‘The Boeing 307’

Here are the answers to last Friday’s video, enjoy!

Suggested ICAO level for video: 5+

  1. They were hired to care for queasy passengers during turbulent flights.
  2. It was common because planes could only fly as high as the air was breathable, around 9,000ft, and at this altitude there is much more turbulence than at higher altitudes.
  3. Their solution was a pressurised plane.
  4. The cabin pressure regulator was key to the development of the pressurised cabin.
  5. The sudden stop in the production of the 307 was caused by the start of World War 2.

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