Aero Commander Pitot Tube Cover (5/8" Cap) w/ 12" Remove Before Flight Safety Streamer

pilots must keep track of a lot of data when they  are in the cockpit of an airplane for a specific   flight configuration be it landing or economy  cruising a plane speed must remain within a fairly   narrow range of values if it flies too slowly it  can suffer an aerodynamic stall when there is an   insufficient lift to overcome the downward force  of gravity if it flies too fast it can suffer   structural damage such as the loss of flaps since  the forged speed of an airplane is equal to the   speed of the air flowing past it engineers started  to look for the device to accurately measure this   initially meteorological instruments like  the robinson cup anemometer were used but the   problem is that they have to be placed far from  the cockpit before it can be read by the pilot   the pressure plate provided another method but  still have to be placed outside the cockpit and   can on