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Terms for subject Aviation (1835 entries)

hover check	An expression used to describe the situation when a helicopter or vertical takeoff and landing aircraft (VTOL) requires a stabilized hover to conduct a performance or power check prior to hover taxi, air taxi or takeoff. The altitude of the hover will vary based on the purpose of the check.
hover taxi	The movement of a helicopter or vertical takeoff and landing aircraft (VTOL) above the surface of an aerodrome and in ground effect at airspeeds less than approximately 20 kt
hpt blades	high-pressure turbine engine blades	Christ­ine_A
HyTEC	Hybrid Thermally Efficient Core	Michae­lBurov
i	island
i'm a dot	I'm outta here, I'm gone
ICBMS	intercontinental ballistic missiles
icing conditions	Weather conditions conducive to the formation of ice on an aircraft in flight. These conditions are usually characterized by visible moisture in the air and temperatures around the freezing level. Pilots encountering icing conditions are urged to issue a pilot weather report (PIREP) immediately.
IDE software	Integrated Development Environments Software	Michae­lBurov
identification friend or foe technology	IFF technology	Michae­lBurov
IFR aircraft	An aircraft operated in accordance with instrument flight rules
IFR approach	instrument flight rules approach
IFR control service	A service provided by ATC units including: (a) area control service; and (b) terminal control service
IFR flight	A flight conducted in accordance with instrument flight rules (IFR) FrvollFR
IFR landing minimums	The minimums prescribed for landing a civil aircraft while using an instrument approach procedure
IFR military training route	A route used by the U.S. Department of Defense and Canadian DND units for the purpose of conducting low-altitude navigation and tactical training in both instrument meteorological conditions (IMC) and visual meteorological conditions (VMC) below 10 000 ft MSL at airspeeds in excess of 250 kt IAS.
il	instrument landing
ILS critical area	An area of defined dimensions in the vicinity of localizer (LOC) and glide path (GP) antenna arrays within which vehicle and aircraft operations may interfere with the radio signal transmitted by the ILS
ILS glide path angle	The angle between a straight line representing the mean of the ILS glide path (GP) and the horizontal
ILS reference datum	A point at a specified height that is located vertically above the intersection of the runway centreline and the threshold and through which the downward extended straight portion of the glide path (GP) passes