Tag: video answers

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Video answers: ‘Iran buys Airbus’

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

Suggested ICAO level for video: 5+

  1. They ordered 118 aircraft and they’ll be delivered between 2016 and 2023.
  2. It was historic because it was the first official order from Iranian airlines to western companies.
  3. The next step is to draw up a purchase order which finalises the details of the order.
  4. They’re buying planes for both types of operations, but two thirds of their order is for widebody planes.
  5. It’s significant because Iran will need 400 – 500 new aircraft in the next 15 years and Airbus could establish a bigger market share in the region with more orders from Iran.

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Video answers: ‘747 with 5 engines?’

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

Suggested ICAO level for video: 5+

  1. They attached a fifth engine to the wing of a Boeing 747 to transport it to South Africa where it was needed by another 747.
  2. There are different procedures with the weight, balance and takeoff performance of the plane and some limits with the maximum takeoff weight.
  3. They put 6 tonnes less fuel in the tank on the side with the extra engine to compensate, so in effect, the aircraft doesn’t know that it’s carrying an extra engine.
  4. It increases the drag created by the plane.
  5. They schedule a technical stop for fuel in Perth, before the plane continues its journey to South Africa.
  6. No, the last time it happened was in 2011 and it’s usually not necessary due to the efficiency of the engines.

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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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