{"chart":"crosswind-component-chart","generatedFrom":"All Unit Conversions shared conversion library","tables":[{"title":"Component factors by wind angle","headers":["Angle","Crosswind factor (sin)","Headwind factor (cos)","Clock rule"],"rows":[["0°","0.000","1.000","0"],["5°","0.087","0.996",""],["10°","0.174","0.985",""],["15°","0.259","0.966","1/4"],["20°","0.342","0.940",""],["25°","0.423","0.906",""],["30°","0.500","0.866","1/2"],["35°","0.574","0.819",""],["40°","0.643","0.766",""],["45°","0.707","0.707","3/4"],["50°","0.766","0.643",""],["55°","0.819","0.574",""],["60°","0.866","0.500","all"],["65°","0.906","0.423",""],["70°","0.940","0.342",""],["75°","0.966","0.259",""],["80°","0.985","0.174",""],["85°","0.996","0.087",""],["90°","1.000","0.000",""]]},{"title":"Crosswind component (knots)","headers":["Wind (kt)","10°","20°","30°","40°","45°","50°","60°","70°","80°","90°"],"rows":[["5","0.9","1.7","2.5","3.2","3.5","3.8","4.3","4.7","4.9","5.0"],["10","1.7","3.4","5.0","6.4","7.1","7.7","8.7","9.4","9.8","10.0"],["15","2.6","5.1","7.5","9.6","10.6","11.5","13.0","14.1","14.8","15.0"],["20","3.5","6.8","10.0","12.9","14.1","15.3","17.3","18.8","19.7","20.0"],["25","4.3","8.6","12.5","16.1","17.7","19.2","21.7","23.5","24.6","25.0"],["30","5.2","10.3","15.0","19.3","21.2","23.0","26.0","28.2","29.5","30.0"],["35","6.1","12.0","17.5","22.5","24.7","26.8","30.3","32.9","34.5","35.0"],["40","6.9","13.7","20.0","25.7","28.3","30.6","34.6","37.6","39.4","40.0"],["45","7.8","15.4","22.5","28.9","31.8","34.5","39.0","42.3","44.3","45.0"],["50","8.7","17.1","25.0","32.1","35.4","38.3","43.3","47.0","49.2","50.0"]]},{"title":"Headwind component (knots)","headers":["Wind (kt)","10°","20°","30°","40°","45°","50°","60°","70°","80°","90°"],"rows":[["5","4.9","4.7","4.3","3.8","3.5","3.2","2.5","1.7","0.9","0.0"],["10","9.8","9.4","8.7","7.7","7.1","6.4","5.0","3.4","1.7","0.0"],["15","14.8","14.1","13.0","11.5","10.6","9.6","7.5","5.1","2.6","0.0"],["20","19.7","18.8","17.3","15.3","14.1","12.9","10.0","6.8","3.5","0.0"],["25","24.6","23.5","21.7","19.2","17.7","16.1","12.5","8.6","4.3","0.0"],["30","29.5","28.2","26.0","23.0","21.2","19.3","15.0","10.3","5.2","0.0"],["35","34.5","32.9","30.3","26.8","24.7","22.5","17.5","12.0","6.1","0.0"],["40","39.4","37.6","34.6","30.6","28.3","25.7","20.0","13.7","6.9","0.0"],["45","44.3","42.3","39.0","34.5","31.8","28.9","22.5","15.4","7.8","0.0"],["50","49.2","47.0","43.3","38.3","35.4","32.1","25.0","17.1","8.7","0.0"]]},{"title":"Using the chart","headers":["Point","Detail"],"rows":[["Runway heading","Runway number × 10 is the approximate magnetic heading: runway 27 ≈ 270°."],["Wind source","METAR and TAF winds are relative to true north; ATIS and tower winds are magnetic. Use magnetic wind with runway headings."],["Clock rule","15° ≈ 1/4, 30° ≈ 1/2, 45° ≈ 3/4 and 60° or more ≈ all of the wind speed as crosswind."],["Limits","Compare with the maximum demonstrated crosswind in the aircraft flight manual, and your own limits; include gusts."]]}]}