wake turbulence definition

This starts the wake vortex. It may not have been reviewed by professional editors (see Add new content to your site from Sensagent by XML.Get XML access to fix the meaning of your metadata.

wake turbulence definition in English dictionary, wake turbulence meaning, synonyms, see also 'wake',Wake Island',American Wake',waken'. Subject: Aircraft Wake Turbulence . It starts at 0'50 and lasts to the end of the recording.an offensive content(racist, pornographic, injurious, etc.)

Wake turbulence is turbulence that forms behind an aircraft as it passes through the air. Report as Light Turbulence; 1. or. If the aircraft produces a weaker vortex, the breakup will sound like tearing a piece of paper. Temperature has an effect on the accuracy of barometric altimeters, indicated altitude, and true altitude.

Wake Vortex Turbulence is defined as turbulence which is generated by the passage of an aircraft in flight. In either en route case, injuries to unsecured occupants can result, both passengers and cabin crew.

4.2.2 Avoiding all encounters would require very significant spacing and would dramatically limit the traffic on all airports and airways without significantly improving safety.

Definition and creation.

By using our services, you agree to our use of cookies. Change: 1. Air from below the wing is drawn around the wingtip into the region above the wing by the lower pressure above the wing, causing a vortex to trail from each wingtip.

All aircraft produce wake turbulence. All aircraft that produce lift—aeroplanes, gliders, ultra-lights, helicopters—produce wing tip vortices and leave a trail of wake turbulence behind them as they fly.

It can persist for 30 seconds or more, continually changing timbre, sometimes with swishing and cracking notes, until it finally dies away.This entry is from Wikipedia, the leading user-contributed encyclopedia.

The only available direct defence against occupant injuries is for the flight crew to maintain ATC awareness of the persistence of wake turbulence at en route altitudes beyond reqired traffic separation minima is sometimes poor. This type of turbulence is significant because wing tip vortices decay quite slowly and can produce a significant rotational influence on an aircraft encountering them for several minutes after they have been generated.

Wake vortices from a landing Airbus at Oakland Airport interact with the sea as they descend to ground levelA subtle rustling and cracking sound caused by the wake vortices after airplane flyover. Wake vortices are formed any time an air foil is producing lift. Depending on the type of aircraft, the phase of flight, and the weather conditions, the potential effect of an aircraft’s wake turbulence on other aircraft can vary. 2.

A 3 to 5 knot crosswind will tend to keep the upwind side of the wake in the runway area and may cause the downwind side to drift toward another There are a number of separation criteria for take-off, landing and en-route phases of flight based upon these categories. This turbulence includes various components, the most important of which are wingtip vortices and jetwash. attitude (pitch, roll, yaw). When an En-route Air Traffic Controller identifies a traffic proximity situation with risk of a potentially hazardous wake encounter, he/she may provide traffic information to the trailing aircraft, including a caution for potential wake turbulence and when possible, may propose a change of lateral or vertical flight path, as appropriate.

The lowest pressure occurs over the upper wing surface and the highest pressure under the wing. 2.

The vortex characteristics of any given aircraft can also be changed by extension of flaps or other wing configuring devices as well as by change in speed.

Aircraft with smaller wingspans generate more intense wake vortices than aircraft with equivalent weights and longer wingspans. AC No: 90-23G . It can persist for 30 seconds or more, continually changing timbre, sometimes with swishing and cracking notes, until it finally dies away.This entry is from Wikipedia, the leading user-contributed encyclopedia.

Wake turbulence is turbulence that forms behind an aircraft as it passes through the air. Lift is generated by the creation of a pressure differential over the wing surface.

All aircraft produce wake turbulence1, more … Change the target language to find translations.Copyright © 2012 sensagent Corporation: Online Encyclopedia, Thesaurus, Dictionary definitions and more. Decay of low level vortices will occur more quickly over land because of the boundary layer effect.

Since most operators ensure that passengers are secured during intermediate and final approach and during initial climb after take off, it is Cabin Crew who will be most at risk of injury if they are not yet secured during the later stages of an approach. PURPOSE. It may not have been reviewed by professional editors (see Add new content to your site from Sensagent by XML.Get XML access to fix the meaning of your metadata. Jetwash refers simply to the rapidly moving gases expelled from a … Ordinary turbulence is not unusual, particularly in the approach phase. The sound then gets louder. Wake vortices spread laterally away from the aircraft and descend approximately 500 to 900 feet at distances of up to five miles behind it. Light.

CANCELLATION.

A pilot who suspects wake turbulence is affecting his or her aircraft should get away from the wake, execute a Wake turbulence can be measured using several techniques. Turbulence that momentarily causes.

Turbulence that causes slight, rapid and. These vortices tend to descend at approximately 300 to 500 feet per minute during the first 30 seconds

All pilots need to be aware of wake turbulence, which also includes jet blast, propeller wash, and rotor wash. Currently, ICAO recognizes 2 methods of measurement, sound tomography, and a high-resolution technique is Wake turbulence can occasionally, under the right conditions, be heard by ground observers. On a still day, the wake turbulence from heavy jets on landing approach can be heard as a dull roar/whistle. The strength of wingtip vortices is determined primarily by the weight and airspeed of the aircraft.Wake turbulence is especially hazardous in the region behind an aircraft in the During takeoff and landing, an aircraft's wake sinks toward the ground and moves laterally away from the runway when the wind is calm.