Smesta

The continuously changing position of an aircraft in space directed toward effecting a landing on a predetermined area.

The technique for talking down, through the use of both surveillance and precision approach radar, an aircraft during its approach so as to place it in a position for landing.

That part of an instrument approach procedure in which alignment and descent for landing are accomplished. a. In a non-precision approach it normally begins at the final approach fix or point and ends at the missed approach point or fix. b. In a precision approach the final approach is deemed to commence at the glide path intercept point and ends at the decision height/altitude.

The maximum gross weight due to design or operational limitations at which an aircraft is permitted to land.

The capability of an aircraft to take-off and land vertically and to transfer to or from forward motion at heights required to clear surrounding obstacles.

A system of radio navigation intended to assist aircraft in landing which provides lateral and vertical guidance, which may include indications of distance from the optimum point of landing.