Aviation dictionary. 2014.
procedure turn — A maneuver in which a turn is made away from designated track followed by a turn in the opposite direction, both turns being executed so as to permit aircraft to intercept and proceed along the reciprocal of the designated track (ICAO). A… … Aviation dictionary
reversal procedure — A procedure designed to enable aircraft to reverse direction during initial approach segment of an instrument approach procedure. The sequence may include procedure turns or base turns (ICAO). There are three generally recognized maneuvers… … Aviation dictionary
racetrack procedure — A procedure designed to enable the aircraft to reduce altitude during the initial approach segment and/or establish the aircraft inbound when the entry into a reversal procedure is not practical (ICAO). The procedure consists of a turn from the… … Aviation dictionary
base turn — A turn executed by the aircraft during the initial approach between the end of the outbound track and the beginning of the intermediate or final approach track. The tracks are not reciprocal (ICAO). A base turn may be designated as made either in … Aviation dictionary
Instrument approach — Terminal procedures for an ILS approach in the United States. (The disclaimers shown in red in the illustration do not appear on the original approach plate.) For aircraft operating under instrument flight rules (IFR), an instrument approach or… … Wikipedia
intermediate approach segment — That segment of an instrument approach procedure between either the intermediate approach fix and the final approach fix or point, or between the end of a reversal, race track, or dead reckoning track procedure and the final approach fix or point … Aviation dictionary
final approach — That part of an instrument approach procedure that commences at the specified final approach fix or point. Where such a fix or point is not specified, it begins (a) at the end of the last procedure turn, base turn, or inbound turn of a racetrack… … Aviation dictionary
NDB letdown — A nonprecision approach carried out with the help of an NDB (nondirectional beacon). The aircraft homes to the beacon and arrives overhead. It turns outbound and flies level for a specific period of time, depending upon the altitude, after which… … Aviation dictionary
final approach point — The point, applicable only to a nonprecision approach with no depicted final approach fix such as an on airport VOR (very high frequency omnidirectional radio range), where the aircraft is established inbound on the final approach course from the … Aviation dictionary
Holding (aviation) — In aviation, holding (or flying a hold) is a maneuver designed to delay an aircraft already in flight while keeping it within a specified airspace.FAA H 8083 15A, Instrument Flying Handbook , Chapter 10.… … Wikipedia
