Tag: video answers

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Video answers: ‘Runway markings explained’

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

Suggested ICAO level for video: 4+

  1. You use the heading and drop the final number of the three digits.
  2. In this situation the number is rounded up or down to the nearest 10. So 164 becomes 160.
  3. In the US, it would be runway ‘6’.
  4. The letters ‘l’ for left, ‘r’ for right and ‘c’ for centre are used to distinguish parallel runways.
  5. They indicate how wide the runway is.
  6. Aiming point markers give pilots an idea of where they should be touching down on the runway.
  7. Planes are allowed to use the displaced threshold for a takeoff run or to taxi, while they aren’t allowed to use a blast pad / overrun area unless it’s an emergency.

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Video answers: ‘How do budget airlines offer low fares’

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

Suggested ICAO level for video: 4+

  1. You don’t get food, newspapers, a generous baggage allowance, passenger lounge access or frequent flier miles.
  2. LCCs use planes that are more efficient and use single-type fleets to keep maintenance and training costs down.
  3. Single-class seats are used, which allow budget airlines to have space for more passengers.
  4. They oversell their flights knowing that a percentage of passengers won’t make the flight, allowing them to make more money on each flight.
  5. They can buy food, wifi, blankets and souvenirs.
  6. They choose secondary airports which are less busy. They also don’t use jetways, allowing them to save time and keep their planes in the air for longer each day.

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Video answers: ‘GE’s bet on goliath engines’

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

Suggested ICAO level for video: 5+

  1. The GE9X was selected to power the new 777X aircraft.
  2. They loosened the regulations related to twin-engine aircraft operations, making it possible for airlines to start using them on their long-haul flights.
  3. He had to decide whether to build a derivative of the CF6 engine, which was cheaper, or spend more than $2 billion on a completely new engine.
  4. Its most impressive improvement was the enormous increase in the high pressure compressor capability, which allowed the engines to set a world record for thrust.
  5. It will be lighter, more durable, will have a larger fan, a higher pressure ratio, and a 10% improved fuel burn over the GE90.

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Video answers: ‘Heathrow’s third runway’

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

Suggested ICAO level for video: 5+

  1. It will add 250,000 more flights to the airport per year.
  2. According to the report, it’s going to cost $21 billion.
  3. They are against the proposal and hate the idea of more planes flying overhead.
  4. Heathrow has been dropping down the ranking of busiest airports in the world in recent years.
  5. Business leaders say they’ve missed out and deals because of the lack of direct flights to destinations around the world.
  6. There could be legal objections and there also has to be a vote in parliament before construction could begin.

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Video answers: ‘How fuel efficient is an airplane?’

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

Suggested ICAO level for video: 5+

  1. Its maximum takeoff weight (MTOW) is 442 metric tons.
  2. Its capacity is 238,610 litres of fuel.
  3. It uses 4 litres of fuel per second.
  4. The 747-8 is much more inefficient according to this comparison.
  5. After factoring in the passengers on board and calculating efficiency per person per kilometre, the 747-8 uses around 0.04 litres per 0.6 kilometres per person (based on 500 people on board), which makes it more fuel efficient than a car with 4 people inside it.

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Video answers: ‘Boeing’s 737 MAX test plane’

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

Suggested ICAO level for video: 5+

  1. They needed a reboot because the previous version was getting a little old and ‘long in the tooth’.
  2. It’s got new engines, split-tip winglets, airframe updates and some new technology in the cockpit.
  3. It’s 14% more efficient and 40% quieter.
  4. The test pilots fly the plane at the edge of the envelope, sometimes beyond the edge to make sure it’s safe for the flying public.
  5. They use it to take measurements of what’s happening behind the plane.

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