aviation gasoline, LL stands for low-lead

a power setting of 2500 rpm and 25 inches of manifold pressure. This setting is often used for climbing to cruise altitude, and in effect means running at a high power setting.

above ground level

control surfaces located on the trailing edges of the wings. Use of ailerons causes an aircraft to bank in one direction or the other by causing one wing to produce more lift and the other wing to pro [..]

an alternate source of air for the fuel-air mixture. An alternate air source is needed in situations where the normal air intake is blocked, such as by ice clogging the air intake screen. Approach (AT [..]

flying an aircraft according to the instructions on an approach plate

detailed charts that allow a pilot to approach an airport and safely land under extremely poor visibility conditions. These approach plates provide information so that the pilot, utilizing both ground [..]

airplanes fly very precise rectangular patterns around an airport prior to landing. Each side of the rectangle has a name. The base leg

direction or heading, expressed in terms of degrees from north. A heading of 0 is north; 180 is south; 360 is back to north again. Beaver

an electrically-driven fuel pump that is used in some airplanes to supplement the engine-driven fuel pump. It is primarily used during starting, take-off, landing, and switching fuel tanks.