1. Ailerons for Bank 2. Elevator for Pitch 3. Rudder for Yaw 4. Flaps for added lift (Also Slats, in front of the Wing on some aircraft)
Homes, Boats, Airplanes, and Electronic Equipment.
Generally speaking airplanes have 2 flaps, one on each wing. More complex aircraft such as airliners & even many biz jets will also have leading-edge flaps, bringing the total to four. (I'm a nerd at airplanes so I know this is certain.)
Four.
Four airplanes were hijacked on 9/11.
It is the Cessena-406 Microlight aircraft which is only four seated.
B-29s are military airplanes designed and produced by the United States that were utilized in World War II and also in the Korean War. These bomber-aircraft had four propeller-driven engines and went by the nickname of "Superfortress".
Four.
surfaces
I believe it was Igor I. Sikorsky 'Le Grand' to be the worlds first four-engine aircraft.
Box graters have four different cutting surfaces. Three grating surfaces and one slicing surface are standard.
Their small and rocky surfaces
four