traffic pattern


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traffic pattern

[′traf·ik ‚pad·ərn]
(aerospace engineering)
The traffic flow that is prescribed for aircraft landing at, taxiing on, and taking off from an airport; the usual components of a traffic pattern are upwind leg, crosswind leg, downwind leg, base leg, and final approach.

traffic pattern

The regulated movement of air traffic that must fly along an established route when approaching or leaving an airport. Airplanes fly very precise rectangular patterns around an airport prior to landing. Each side of the rectangle has a name. The leg flown at right angles to the runway immediately after takeoff is the crosswind leg. The leg flown parallel to the runway and opposite to the direction of landing is the downwind leg. The base leg, as it is known, is flown at right angles to the runway, just before turning to the final direction for landing. Flight in the direction of landing but maintaining altitude is called an upwind leg. Traffic patterns may be flown with either right-hand or left-hand turns.
References in periodicals archive ?
The split-lane traffic pattern will remain in place until late October, and will change when all lanes shift to the right for the last phase of construction.
The FAA says in the AC that they do not "regulate traffic pattern entry, only traffic pattern flow." But, the Feds clearly have an idea of how a pattern should be entered and this update is good news.
Simulation is done by adding Random Walk, Random Waypoint and Gauss-Markov mobility model and also the traffic pattern scheme as the interval of the packet that will be delivered as follow [8].
Rosen said the traffic improvements should not include any changes to the traffic patterns in Tatnuck Square or disturb the veterans memorial in the traffic island.
Pattern entry options include straight in, 45 to the downwind, crossing midfield with a teardrop entry, and crossing midfield with a direct entry for both standard and right-hand traffic patterns. The default pattern direction for a given airport is also displayed.
The design of a new training room must be based around an acceptable traffic pattern. The ideal location for a training room is close to the gym and locker rooms, thus providing easy access for the athletes.
In a store or restaurant, reaction is influenced by lighting, colors, decoration, signage, merchandising, ceiling patterns, packaging, counters, traffic pattern, staff attitude, end aisle displays, etc.
The temporary traffic pattern will change next week, removing the split on the southbound side of the highway.
Lacking those, circle in the direction (normally left, unless marked otherwise) of the normal traffic pattern at the airport.
These resources state that, at most airports, the traffic pattern altitude for propeller-driven general aviation aircraft is typically 1000 feet agl and that traffic pattern altitudes for military turbojet aircraft extend up to 2500 feet agl.
Right now, what we have there is somewhat of a convoluted and confusing traffic pattern. There are times when it can become chaotic there, depending on how you enter the square.''
Lane and exit closures are possible during overnight hours when new traffic patterns are being installed.