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Terms for subject Aviation (1801 entries)

indicated airspeed	The uncorrected reading on the airspeed indicator
indicated altitude	The altitude as shown by an altimeter. On a pressure or barometric altimeter, it is altitude as shown uncorrected for instrument error and uncompensated for variation from standard atmospheric conditions.
inertial stabilized platform (<редк.>)	GSP	Michae­lBurov
information request	A message requesting that a communications search be carried out in a defined area utilizing government circuits and local telephone
information service	An ATS consisting of the following: (a) aircraft movement information service (AMIS) alerting service; and (c) flight information service
IR flare	infrared flare
initial	A point 3 to 5 mi. prior to the threshold on the upwind leg, and usually 500 ft above the normal aerodrome traffic circuit, where military aircraft join the aerodrome traffic circuit to conduct an overhead break.
initial trajectory information sharing	initial TIS	Michae­lBurov
initial approach	That part of an instrument approach procedure (IAP) between the initial approach fix (IAF) or waypoint and the intermediate approach fix (IF) or waypoint during which the aircraft departs the en route phase of flight and manoeuvres to enter the intermediate segment
initial approach	That segment of an instrument approach procedure between the initial approach fix and the intermediate approach fix or, where applicable, the final approach fix or point
initial approach segment	That part of an instrument approach procedure (IAP) between the initial approach fix (IAF) or waypoint and the intermediate approach fix (IF) or waypoint during which the aircraft departs the en route phase of flight and manoeuvres to enter the intermediate segment
initial approach segment	That segment of an instrument approach procedure between the initial approach fix and the intermediate approach fix or, where applicable, the final approach fix or point
initial approach waypoint	The waypoint of an instrument approach procedure (IAP) at which the aircraft leaves the en route phase of operations to commence the approach
initial contact	The initial voice contact between a facility and an aircraft, using the identification of the unit being called and the unit initiating the call
initial point	On the H-hour control line, the point at which the faker route portion of the exercise begins
initial trajectory information sharing	initial TIS	Michae­lBurov
inland navigation fix	A fix on a North American route (NAR) at which the common route or the non-common route begins or ends
inner marker	A marker beacon used with an instrument landing system (ILS) precision approach located between the middle marker and the end of the ILS runway, transmitting a radiation pattern keyed at six dots per second and indicating to the pilot, both aurally and visually, that he/she is at the designated decision height (DH) normally 100 ft above the touchdown zone elevation, on the ILS CAT II approach. It also marks progress during a CAT III approach.
inner marker beacon	A marker beacon used with an instrument landing system (ILS) precision approach located between the middle marker and the end of the ILS runway, transmitting a radiation pattern keyed at six dots per second and indicating to the pilot, both aurally and visually, that he/she is at the designated decision height (DH) normally 100 ft above the touchdown zone elevation, on the ILS CAT II approach. It also marks progress during a CAT III approach.
instrument approach	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