Product testing, also called consumer testing or comparative testing, is a process of measuring the properties or performance of products.
cockpit. n. 1. (Aeronautics) the compartment in a small aircraft in which the pilot, crew, and sometimes the passengers sit. Compare flight deck 1. 2. (Motor Racing) the driver's compartment in a racing car.
In aviation vernacular, the colloquial backronym is Engines Turn Or Passengers Swim, referring to the inevitable emergency water landing of a twin engine aircraft after a double engine failure over water outside gliding range of land. But ETOPS operation has no direct correlation to water or distance over water.