holding pattern

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holding pattern

[′hōld·iŋ ‚pad·ərn]
(navigation)
A course over which an aircraft is instructed to fly repeatedly while waiting for clearance to land.

holding procedure

holding procedureclick for a larger image
Typical procedure on an ILS outer marker.
holding procedureclick for a larger image
Typical procedure at intersection of VOR radials.
holding procedureclick for a larger image
Typical procedure at DME Fix.
holding procedureclick for a larger image
Standard pattern.
A predetermined maneuver which keeps the aircraft within a specified airspace while awaiting further clearances (ICAO). It is generally a racetrack-type pattern in which all turns may be left or right hand. This is indicated in standard arrival route charts. Holding patterns normally are based around a fix or a navigational aid. Also called a holding pattern.

pattern

pattern
Typical radiation pattern of a radar.
i. A flight pattern that an aircraft must follow when approaching for landing and when leaving the airport after takeoff.
ii. Radiation of the transmitting aerial as plotted on a diagram of the field strength for each bearing.
iii. A shape traced out on the ground by the track of the aircraft while following certain procedures, such as making the circuit, making procedure turns, while holding, and while carrying out demonstrations. See circuit and holding pattern.