Simplify the following text for a Grade 12 native English-speaking person.
Original: A bush airplane is a general aviation aircraft serving remote , undeveloped areas of a country , usually the African bush , Alaskan and Canadian tundra or the Australian Outback .
Simplified: A bush airplane is an aircraft serving far away areas of a country , usually the African bush , Alaskan and Canadian tundra or the Australian Outback .