If the walkway goes inside the building, then yes. And the walkway usually leads directly to the second floor, because the airplane door is 3 metres above the ground.
Inside the building it’s the first floor, even if it’s exactly at the sea level altitude. Outside the building it’s the ground. Basement levels start at minus one, there is no zeroth floor.
When you get off an airplane, do you say
“Its great to be back on solid first floor of the earth.”
?
If the walkway goes inside the building, then yes. And the walkway usually leads directly to the second floor, because the airplane door is 3 metres above the ground.
OK but what about going onto the ground?
Like, in your garden, is that the first floor of the planet?
Inside the building it’s the first floor, even if it’s exactly at the sea level altitude. Outside the building it’s the ground. Basement levels start at minus one, there is no zeroth floor.
Exactly, the idea that you go up a floor because there’s a roof over your head is very silly.