Seatbelts sign

21

Is that a good or a bad thing?

22

I keep mine on all the way through my flight, Because if i turned them off i would completely forget to turn the back on to landšŸ˜­!!

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23

When Iā€™m flying IRL I take notes of things such as when the seatbelt sign comes on so I can make sure to do that in IF. Last time, the crew turned it on at about 28,000 feet but Iā€™m pretty sure it can vary.

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24

Probably. Apparently we like to sue a lot šŸ’€

But what it also does is cause people to ignore the sign when it should actually be onā€” although that can be mitigated with an announcement. Itā€™s still very annoying though when youā€™ve been cruising for a few minutes and think that it might be on because there might still be some more turbulence in the departure area and you need to use the lavatory and you have to just guess when itā€™s safe.

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25

I turn them on just before pushback. I turn them off and back on just before the takeoff roll. Above FL100 I turn them off again and they stay off during the flight. On descent I turn the signs back on when hitting FL100 again

26

from this discussion, I can somehow infer when you should turn the seat belt sign on:

  • when youā€™re not parked and below 10,000ft (both when climbing and descending)
  • when there is a turbulence (can be crosswinds and gusts)
  • when there is a direction change in degrees
  • when there is a drastic altitude change. I would say itā€™s drastic if the vertical speed (VS) on my autopilot turns yellow (>2500 ft/min) so I can safely say if your VS is less than that, then itā€™s okay to turn off the seat belt sign. But I would only turn it off when my VS is less than 1500 ft/min just to be safe.
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27

how do you know the altitude?

28

Huh? Why would you need to turn the seatbelt on for a turnā€¦

29

Turn them off at 10,000 feet (ascending)

Turn them on at 10,000 feet (descending)

Turn them on during turbulence (severe/extreme + moderate if strong)

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30

i turn it off at 10Kft and when thereā€™s really moderate or severe turbulence i turn it back on.

31

because itā€™s not level and the passengers may collapse to the side? idk Iā€™m not a pilot, it was just a pure guess, feel free to correct me

I think there should be a SOP for that tho, esp. when the plane is not level and exceeding certain degrees of tilt

32

No not really until you reach a certain degree in angle I would think.

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33

The max bank angle in a normal flight is 30 degrees. In a perfectly coordinated turn (which those done with the yaw damper are), once established at a bank angle all g forces on the plane cancel out to a little over 1 g straight to the floor. The only way to tell if you are turning is to look outside or have noticed the slight forces experienced during the initial roll. And if the plane is banking more than 30 degrees, thereā€™s probably bigger problems and no one should be up in the cabin.

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34

Was on Delta Airlines so I could see the altitude on the IFE.

35

I guess thereā€™d be economic reasons as well? Such as conserving restroom supplies or not allowing pax to consume drinks

We all know us airlines are basically banks at this point

36

The restroom theory kind of makes sense but not drinks. Usually the FAs still do the beverage service.

37

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