Where do some strange sounds come from during flight?

While traveling in planes, passengers may feel some strange actions and sounds during take-off, flight, and landing. Somebody may think that these sounds of rumbling, banging, and thumping mean that something is not fine, but actually, this is normal in aircraft. Knocking before takeoff It’s a usual order to hear knocks while boarding a planeContinue reading “Where do some strange sounds come from during flight?”