Yes
I would think yes.
Based on the set up and the fact that it's very contained I think it should be fine.
I'm sure
Yes, everyone will need oxygen to go on this trip. BYOB and H2O
In not that higth only 6k feet..but you can bring your tank
Should be. Probably want an aisle seat for more space
I'm sure. If you think it's really bulky, consider getting the front seat on the right (facing uphill).
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