For a great website on aircraft basics see the Canadian Bushplane Heritage Centre.
Here are some of the parts on a de Havilland Beaver;
Engine Cowling (If you want to know what is under the cowling click here).
Can you identify the parts in this diagram of a Beaver?
• Pilot's entry door
• Wing tip
• Wing strut
• Tail wheel
To learn more about the de Havilland Beaver click here.
To learn more about the history of powered flight click here.
To learn more about aircraft engine design click here.