[{"data":1,"prerenderedAt":473},["ShallowReactive",2],{"learn-\u002Flearn\u002Fthe-traffic-circuit":3,"learn-nav-\u002Flearn\u002Fthe-traffic-circuit":434},{"id":4,"title":5,"body":6,"date":357,"dateModified":358,"description":359,"draft":360,"extension":361,"faqs":362,"howTo":372,"keyTakeaways":381,"meta":386,"metaDescription":387,"navigation":388,"path":389,"quiz":390,"seo":416,"series":417,"seriesOrder":418,"sources":419,"stem":431,"topic":432,"__hash__":433},"learn\u002Flearn\u002Fthe-traffic-circuit.md","The traffic circuit",{"type":7,"value":8,"toc":343},"minimark",[9,21,27,32,35,79,82,86,105,109,124,128,135,160,184,188,203,207,219,223,234,245,252,256,266,287,296,300,332,336],[10,11,12,13,20],"p",{},"A cross-country flight ends where it began, in a circuit around a runway, fitting in with whatever other aircraft are already there. The circuit, called the traffic pattern in the United States, is a standard rectangular path that turns a busy patch of sky around a runway into something orderly and predictable. Knowing its shape, and how to slot into it, is the arrival skill every ",[14,15,19],"a",{"href":16,"className":17},"\u002Flearn\u002Fglossary#gt-vfr",[18],"glossary-link","VFR"," pilot needs.",[22,23,24],"blockquote",{},[10,25,26],{},"This is general educational information, not operational, legal, or regulatory advice. Rules differ by authority and change over time. Always verify against current official sources and follow your operator's approved procedures.",[28,29,31],"h2",{"id":30},"the-shape-of-the-circuit","The shape of the circuit",[10,33,34],{},"The circuit is a rectangle flown around the runway, and each side has a name, taken in the order you fly them after take-off:",[36,37,38,51,57,67,73],"ul",{},[39,40,41,42,46,47,50],"li",{},"the ",[43,44,45],"strong",{},"upwind"," or ",[43,48,49],{},"departure"," leg, climbing out aligned with the runway;",[39,52,41,53,56],{},[43,54,55],{},"crosswind"," leg, a turn of about 90 degrees off the departure end;",[39,58,41,59,62,63,66],{},[43,60,61],{},"downwind"," leg, parallel to the runway and flown in the ",[43,64,65],{},"opposite direction to landing",", where most of the pre-landing checks happen;",[39,68,41,69,72],{},[43,70,71],{},"base"," leg, a turn of about 90 degrees onto a path roughly perpendicular to the runway, descending;",[39,74,41,75,78],{},[43,76,77],{},"final"," approach, the last turn onto the runway centreline, descending to land.",[10,80,81],{},"Picture it as a long, flat rectangle laid alongside the runway, and the names fall into place. The downwind leg is the spine of it: you fly past the runway in the opposite direction, judge your spacing, and turn base and final to roll out on the centreline.",[28,83,85],{"id":84},"left-hand-by-default","Left-hand by default",[10,87,88,89,92,93,96,97,100,101,104],{},"Unless something says otherwise, the circuit is flown ",[43,90,91],{},"left-hand",": all the turns are to the ",[43,94,95],{},"left",", which puts the runway out of the pilot's left window where it is easy to watch in a side-by-side cockpit. A ",[43,98,99],{},"right-hand"," circuit, with all turns to the right, is flown where it is ",[43,102,103],{},"published",", usually to keep aircraft away from a town for noise reasons, off high terrain, or clear of adjacent airspace. The direction is part of the aerodrome's published information, so you establish it before you arrive rather than guess, because two aircraft circling opposite ways around the same runway is exactly the conflict the standard direction exists to prevent.",[28,106,108],{"id":107},"circuit-height","Circuit height",[10,110,111,112,115,116,119,120,123],{},"The circuit is flown at a defined ",[43,113,114],{},"circuit height"," (pattern altitude), commonly around ",[43,117,118],{},"1,000 ft above aerodrome level"," for light aeroplanes, though it varies by aerodrome and aircraft type and is ",[43,121,122],{},"published locally",", with some fields using a lower height for lighter types or a higher one for faster traffic. Flying the published height matters because it is what keeps the circuit traffic at a predictable level, separated from aircraft transiting above and arriving below. Treat the figure as a number you confirm for the aerodrome, not a universal constant.",[28,125,127],{"id":126},"joining-two-national-habits","Joining: two national habits",[10,129,130,131,134],{},"Getting ",[43,132,133],{},"into"," the circuit safely is where UK and US practice differ most, and it is worth knowing both.",[10,136,137,138,141,142,145,146,149,150,153,154,156,157,159],{},"The ",[43,139,140],{},"UK standard overhead join"," arrives ",[43,143,144],{},"overhead the aerodrome"," at a height ",[43,147,148],{},"above"," the circuit, typically around 2,000 ft, to look down and confirm the runway in use and the circuit direction. You then descend on the ",[43,151,152],{},"dead side"," (the non-circuit side) to circuit height, cross the upwind end of the runway, and join the ",[43,155,55],{}," leg, then ",[43,158,61],{},". It is deliberate and gives you a good look at the whole circuit before you commit.",[10,161,137,162,165,166,172,173,175,176,179,180,183],{},[43,163,164],{},"US 45-degree entry",", recommended in the ",[14,167,171],{"href":168,"rel":169},"https:\u002F\u002Fwww.faa.gov\u002Fair_traffic\u002Fpublications\u002Fatpubs\u002Faim_html\u002Fchap4_section_3.html",[170],"nofollow","FAA AIM",", joins the ",[43,174,61],{}," leg directly on a ",[43,177,178],{},"45-degree"," track at ",[43,181,182],{},"pattern altitude",", abeam the midpoint of the runway. It is quicker and works well with the radio-call culture of US uncontrolled fields. Neither is wrong; each is the norm in its own system, and you fly the one expected where you are, which means knowing the local convention before you arrive.",[28,185,187],{"id":186},"spacing-sequencing-and-lookout","Spacing, sequencing and lookout",[10,189,190,191,194,195,199,200,202],{},"Inside the circuit, the job is to ",[43,192,193],{},"fit in",", not to barge in. You adjust your spacing on the downwind and base legs to follow the preceding aircraft rather than crowd it, extending downwind if you are catching up. The ",[14,196,198],{"href":197},"\u002Flearn\u002Fright-of-way-rules","right-of-way rules"," govern the conflicts: an aircraft already established on ",[43,201,77],{}," has priority, and the lower of two aircraft approaching to land has priority but must not cut in front. At an uncontrolled field you announce your position and intentions by radio, and at a controlled field you do as instructed, but at either you keep a constant lookout, because the circuit concentrates traffic into a small, busy box of air.",[28,204,206],{"id":205},"departing-the-circuit","Departing the circuit",[10,208,209,210,212,213,215,216,218],{},"Leaving is the reverse problem. You climb out on the ",[43,211,45],{}," leg, and then either continue straight ahead on the extended centreline until clear, or turn ",[43,214,55],{}," and then ",[43,217,61],{}," to leave on the circuit side, climbing to your en-route altitude clear of the circuit traffic. As with joining, the expected departure path is often published or instructed, and following it keeps you predictable to the aircraft still in the pattern. The principle throughout is the same: do the standard, expected thing, so everyone else can anticipate where you will be.",[28,220,222],{"id":221},"controlled-and-uncontrolled-fields","Controlled and uncontrolled fields",[10,224,225,226,229,230,233],{},"Who manages the circuit depends on the aerodrome. At a ",[43,227,228],{},"controlled"," field, with an operating tower, ",[43,231,232],{},"ATC sequences"," the traffic: the controller may have you fly a full circuit, or join on a base leg, or accept a straight-in approach, and you do as instructed and report as asked. The standard shape still applies, but the controller is fitting you into the flow, so the join is a clearance, not a free choice.",[10,235,236,237,240,241,244],{},"At an ",[43,238,239],{},"uncontrolled"," field, there is no one to sequence you, so you ",[43,242,243],{},"self-announce and self-sequence",", broadcasting your position and intentions and building your own picture of who is where from their calls and your lookout. This is where the standard join and the standard direction earn their keep: when everyone does the expected thing and says so, a field with no controller still runs in good order.",[10,246,247,248,251],{},"Either way, you may be sharing the circuit with ",[43,249,250],{},"mixed traffic"," that does not behave like you: gliders that cannot go around and need priority, helicopters operating to their own pattern, microlights flying slower and faster aircraft flying wider. Fitting in means watching for all of it and adjusting your spacing and speed to the actual traffic, not just flying a textbook rectangle in isolation. The circuit is a shared space, and the courtesy of predictable, announced flying is what keeps it safe.",[28,253,255],{"id":254},"a-worked-example","A worked example",[10,257,258,259,261,262,265],{},"You arrive at your destination at the end of a cross-country and listen out: the radio and the windsock tell you runway 27 is in use with a standard ",[43,260,91],{}," circuit at ",[43,263,264],{},"1,000 ft"," aerodrome level.",[10,267,268,269,272,273,275,276,156,278,280,281,283,284,286],{},"Flying UK practice, you join ",[43,270,271],{},"overhead"," at 2,000 ft, confirm the runway and direction, then descend on the ",[43,274,152],{}," to 1,000 ft, cross the upwind end, and turn onto the ",[43,277,55],{},[43,279,61],{},", flying parallel to runway 27 in the opposite direction. Abeam your landing point you begin the descent, judge your spacing behind the aircraft ahead, and turn ",[43,282,71],{},", then ",[43,285,77],{},", rolling out on the centreline and giving way to anyone already established on final.",[10,288,289,290,292,293,295],{},"Fly the same arrival in the United States and you would more likely enter on a ",[43,291,178],{}," leg to the ",[43,294,61],{}," at pattern altitude, slotting in behind the traffic, then base and final. The legs, the height and the left-hand direction are the same; only the way you joined the rectangle differed.",[28,297,299],{"id":298},"common-pitfalls","Common pitfalls",[36,301,302,308,314,320,326],{},[39,303,304,307],{},[43,305,306],{},"Guessing the runway or circuit direction."," Confirm both from the radio, the signals and the published information before you arrive.",[39,309,310,313],{},[43,311,312],{},"Flying the wrong way round."," Circuits are left-hand unless a right-hand pattern is published; mixing the two invites a head-on conflict.",[39,315,316,319],{},[43,317,318],{},"Ignoring the published circuit height."," Off-height circuit flying loses the separation from transiting and arriving traffic.",[39,321,322,325],{},[43,323,324],{},"Crowding the traffic ahead."," Extend downwind and adjust spacing rather than cutting in; established traffic on final has priority.",[39,327,328,331],{},[43,329,330],{},"Using the wrong join for the country."," The UK overhead join and the US 45-degree entry are different norms; fly the one expected where you are.",[28,333,335],{"id":334},"in-pilot-efb","In Pilot EFB",[10,337,338,339,342],{},"Pilot EFB is a study and planning companion for the arrival end of a VFR cross-country, helping you brief the runway, the circuit direction and the join before you get there, alongside your ",[14,340,55],{"href":341},"\u002Flearn\u002Fcrosswind-components"," and weather notes in one offline-first place. It does not sequence the circuit, see the traffic, or fly the legs for you, and the runway in use and the join you fly come from the live picture and your official source of record. Pilot EFB is not a certified Electronic Flight Bag, so treat it as a study and planning aid and fly the circuit from your official sources.",{"title":344,"searchDepth":345,"depth":345,"links":346},"",2,[347,348,349,350,351,352,353,354,355,356],{"id":30,"depth":345,"text":31},{"id":84,"depth":345,"text":85},{"id":107,"depth":345,"text":108},{"id":126,"depth":345,"text":127},{"id":186,"depth":345,"text":187},{"id":205,"depth":345,"text":206},{"id":221,"depth":345,"text":222},{"id":254,"depth":345,"text":255},{"id":298,"depth":345,"text":299},{"id":334,"depth":345,"text":335},"2026-06-03",null,"The legs of the circuit or traffic pattern, why most are flown left-hand, and the difference between the UK overhead join and the US 45-degree entry.",false,"md",[363,366,369],{"q":364,"a":365},"What are the legs of the traffic circuit?","After take-off they are the upwind or departure leg, the crosswind leg, the downwind leg flown parallel to the runway in the opposite direction to landing, the base leg, and the final approach onto the runway centreline. The downwind leg is where most pre-landing checks happen and where you judge your spacing before turning base and final.",{"q":367,"a":368},"Which way do circuits go?","The standard circuit is left-hand, with all turns to the left, unless a right-hand circuit is published for noise, terrain or airspace reasons. The direction is part of the aerodrome's published information, so you establish it before you arrive rather than guess, because two aircraft circling opposite ways around the same runway is exactly the conflict the standard direction prevents.",{"q":370,"a":371},"How do you join a circuit?","It depends on the country's practice. UK practice often uses a standard overhead join, arriving above the circuit to confirm the runway and direction, then descending on the dead side and joining crosswind. US practice typically uses a 45-degree entry to the downwind leg at pattern altitude. You fly the join expected where you are, which means knowing the local convention before you arrive.",{"name":373,"steps":374},"How to join a standard circuit",[375,376,377,378,379,380],"Before arriving, establish the runway in use and the circuit direction from the radio, the windsock or the published information.","Plan a join that fits the existing traffic, an overhead join in UK practice, or a 45-degree entry to the downwind leg in US practice.","Descend to the published circuit height and fly the downwind leg parallel to the runway, in the opposite direction to landing.","Abeam your landing point, begin the descent, then turn onto the base leg roughly perpendicular to the runway.","Turn final, line up with the runway centreline, and continue the approach, giving way to any aircraft already established on final.","Adjust your spacing on the downwind and base legs to follow the preceding traffic rather than crowd it.",[382,383,384,385],"The circuit legs are upwind, crosswind, downwind, base and final, flown left-hand unless a right-hand circuit is published.","Circuit height is commonly around 1,000 ft aerodrome level but is published locally and varies.","UK practice often uses a standard overhead join; US practice uses a 45-degree entry to the downwind.","Adjust spacing to follow preceding traffic, and an aircraft established on final has priority.",{},"The legs of the circuit or traffic pattern, why most are left-hand, how to join safely, and the UK overhead join versus the US 45-degree entry.",true,"\u002Flearn\u002Fthe-traffic-circuit",[391,400,408],{"q":392,"options":393,"answer":398,"explanation":399},"Which leg of the circuit is flown parallel to the runway, in the opposite direction to landing?",[394,395,396,397],"The base leg","The downwind leg","The final approach","The crosswind leg",1,"The downwind leg is flown parallel to the runway in the opposite direction to landing. Base is roughly perpendicular, and final is aligned with the runway centreline.",{"q":401,"options":402,"answer":398,"explanation":407},"Unless published otherwise, which way are circuit turns flown?",[403,404,405,406],"Right-hand","Left-hand","Either, at the pilot's choice","Straight in only","The standard circuit is left-hand, with all turns to the left, unless a right-hand circuit is published for noise, terrain or airspace reasons.",{"q":409,"options":410,"answer":398,"explanation":415},"What is the typical US method of joining the traffic pattern at an uncontrolled airport?",[411,412,413,414],"A standard overhead join","A 45-degree entry to the downwind leg at pattern altitude","A straight-in on the crosswind leg","A descent on the runway centreline","US practice recommends entering the pattern on a 45-degree leg to the downwind at pattern altitude. UK practice more commonly uses the standard overhead join.",{"title":5,"description":359},"plan-a-vfr-cross-country",8,[420,423,425,428],{"label":421,"url":422},"ICAO Annex 2: Rules of the Air (aerodrome traffic)","https:\u002F\u002Fstore.icao.int\u002Fen\u002Fannex-2-rules-of-the-air",{"label":424,"url":168},"FAA Aeronautical Information Manual, Chapter 4 Section 3 (Airport operations and traffic patterns)",{"label":426,"url":427},"FAA Pilot's Handbook of Aeronautical Knowledge (FAA-H-8083-25)","https:\u002F\u002Fwww.faa.gov\u002Fregulations_policies\u002Fhandbooks_manuals\u002Faviation\u002Fphak",{"label":429,"url":430},"UK CAA Skyway Code (CAP 1535)","https:\u002F\u002Fwww.caa.co.uk\u002Fcap1535","learn\u002Fthe-traffic-circuit","Operations","BE48YhLWoVtDfjYuh4fYSkoZYM7mU1NHYp-7lbkl7Nk",{"related":435,"newer":455,"older":461,"series":466},[436,442,449],{"path":437,"title":438,"description":439,"date":440,"topic":432,"draft":360,"minutes":441,"series":358,"seriesOrder":358},"\u002Flearn\u002Fv-speeds-explained","V-speeds explained","What the V in V-speeds means, the difference between a design limit and an operating speed, and a tour of the speeds a pilot lives by, from stall to Vne.","2026-06-20",4,{"path":443,"title":444,"description":445,"date":446,"topic":432,"draft":360,"minutes":441,"series":447,"seriesOrder":448},"\u002Flearn\u002Fthe-missed-approach-and-go-around","The missed approach and the go-around","The difference between a go-around and a missed approach, when each is flown, the climb gradient that protects it, and why going around early is wise.","2026-06-19","fly-an-instrument-approach",7,{"path":450,"title":451,"description":452,"date":453,"topic":432,"draft":360,"minutes":454,"series":358,"seriesOrder":358},"\u002Flearn\u002Fthe-global-reporting-format-for-runway-conditions","The Global Reporting Format for runway conditions","How the Global Reporting Format describes a contaminated runway: the condition code from 6 to 0, the assessment matrix, and the report split into thirds.","2026-06-17",5,{"path":456,"title":457,"description":458,"date":459,"topic":460,"draft":360,"minutes":441,"series":358,"seriesOrder":358},"\u002Flearn\u002Fjet-stream-and-clear-air-turbulence","The jet stream and clear-air turbulence","What a jet stream is, where it sits near the tropopause, and why the wind shear around it produces clear-air turbulence that arrives with no cloud to warn you.","2026-06-04","Weather",{"path":462,"title":463,"description":464,"date":465,"topic":432,"draft":360,"minutes":441,"series":358,"seriesOrder":358},"\u002Flearn\u002Ftop-of-descent-and-the-3-to-1-rule","Top of descent and the 3:1 rule","How to work out your top of descent with the 3:1 rule, the 60-to-1 relationship behind it, and the rate of descent that holds a roughly 3 degree path.","2026-06-02",{"slug":417,"title":467,"part":418,"total":418,"prev":468,"next":358},"Plan a VFR cross-country",{"path":469,"title":470,"description":471,"date":472,"topic":432,"draft":360,"minutes":441,"series":417,"seriesOrder":448},"\u002Flearn\u002Fairspace-speed-limits","The 250-knot speed limit and other airspace speed rules","Why a 250-knot limit applies below 10,000 feet, the slower 200-knot limits near busy airspace, and how the FAA and EASA wordings line up and differ.","2026-06-01",1782839403453]