surface de référence
81proximal surface — proximate surface any surface nearer to a point of reference …
82adequate visual reference/adequate vis reference — Runway markings or lighting that provides the pilot with adequate visual reference to continuously identify the takeoff surface and maintain directional control throughout the takeoff run …
83distal surface — the surface of a structure that is farther from a point of reference …
84Triangle of reference — The triangle of reference (also known as the triangle of meaning[1] and the semiotic triangle) is a model of how linguistic symbols are related to the objects they represent. The triangle was published in The Meaning of Meaning (1923) by Ogden… …
85World Geographic Reference System — A uniform position fixing and designation system for controlling aircraft and targeting. It is better known as GEOREF. The system may be applied to any map or chart graduated in latitude and longitude regardless of projection. It is a method of… …
86map reference — A means of identifying a point on the surface of the Earth by relating it to information appearing on a map, generally the graticule or grid …
87military grid reference system — A system which uses a standard scaled grid square, based on a point of origin on a map projection of the surface of the Earth in an accurate and consistent manner to permit either position referencing or the computation of direction and distance… …
88terrestrial reference guidance — The technique of providing intelligence to a missile from certain characteristics of the surface over which the missile is flown, thereby achieving flight along a predetermined path …
89map reference — A means of identifying a point on the surface of the earth by relating it to information appearing on a map, generally the graticule or grid. Positions of P may be given as BC 3530 (in GEOREF) or as 76° 35’ E 32° 30’ N …
90military-grid reference system — A system that uses a standard scaled grid square, based on a point of origin on a map projection of the surface of the earth in an accurate and consistent manner to permit either position referencing or the computation of direction and distance… …
