Safety Engineer, Dad, Husband, Pilot, Musician. Not necessarily in that order.

Ingenieur für funktionale Sicherheit, Vater, Ehemann, Pilot, Musiker. Nicht notwendigerweise in dieser Reihenfolge.

  • 10 Posts
  • 5 Comments
Joined 1 year ago
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Cake day: June 11th, 2023

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  • Here are my thoughts.

    One part certainly is that you need to pay for more infrastructure, without a real benefit for the airline. Passenger boarding/deplaning is not the bottleneck for turnaround. Evidence: after boarding, you normally sit around for quite some time before the plane starts moving. You also need a flight attendant at each door, who is then bound up and cannot perform other duties.

    With airstairs, it’s different, because you often need buses, and you always need security personnel, and the faster you get all people off the apron, the better for everyone, so in that case, time is a factor.

    Using airstairs in combination with the jetbridge introduces the security angle again, so you basically have the worst of both worlds, and have to pay for the jetbridge privilege and for security personnel. And if you don’t separate the passengers by row properly, you won’t even gain a lot, because more people have to pass each other in the aisles. As you have found out, passing through the door isn’t actually the bottleneck, but stowing carry-on luggage and finding the right seat, and waiting for the aisle passenger to get up and let you get into your window seat.

    P.S. I don’t think it’s a good idea to post this to two different communities. If you want to reach both, just post a short link to the discussion on the other community.



  • Umm. That video is 2 years old. So is there any new news?

    And as with all these, including the Terrafugia Transition, the Klein AirCar will be both a bad car, and a bad plane. There are just too many conflicting requirements to make any single vehicle perform well in both areas. In almost all practical cases, everyone will be better off with a plane and a cars (or 10 cars, one at each airfield to which one flies regularly), instead of one of these, and it will be cheaper, too. And available now. And faster (92 knots cruise? Really? A Cherokee 140 is faster), have higher payloads, etc., etc.