On the contrary, they must be open. It's because, if an engine fails, the pilots won't know until something really bad happens, and in that case they've wasted a lot of time. This way, the flight attendants can see the engines and tell the pilots if anything happens.
It was not an airplane, and thus could not take off.
no it cannot take off if it is going slow
Usually about a minute.
you take it off the shaft
plane
Yes if it can be closed off meaning not open screen but closed windows.
each plane has a set take off speed , flap position and weight for take off
to gain speed for take off
It then produces lift due to wing configuration and can take off
About 160 Knots
I lost my internet but now it is back on. How do i take ipod touch off airplane mode and turn on wi-fii mode
It allows it to take off and land