InstrumentApproachProcedure

A series of predetermined manoeuvres by reference to flight instruments with specified 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. -- Description -- SOURCE [AIXM5.0]. NOTE 1 Acronym: IAP. NOTE 2 It corresponds to the final approach and arrival during the landing phase. NOTE 3 A specific runway of an airport/heliport usually has more than one IAP, depending on the landing direction on it.