| 释义 |
instrument approach procedure
instrument approach procedureA series of predetermined maneuvers for the orderly transfer of an aircraft under instrument flight conditions from the beginning of the initial approach to a landing or to a point from which a landing may be made visually or the missed approach procedure is initiated.instrument approach procedure
instrument approach procedure[′in·strə·mət a¦prōch prə‚sē·jər] (navigation) A series of predetermined maneuvers for the orderly transfer of an aircraft under instrument flight conditions from the initial approach to a landing, or to a point from which a landing can be made visually. instrument approach procedure A series of predetermined maneuvers by reference to flight instruments with protection from obstacles from the initial approach fix, or where applicable, from the beginning of a defined arrival route to a point from which a landing can be completed and thereafter, if a landing is not completed, to a position at which holding or en-route obstacle clearance criteria apply (ICAO). The instrument approach charts indicate these procedures.AcronymsSeein-app purchase |