{"id":14221,"date":"2025-06-03T16:16:44","date_gmt":"2025-06-03T10:46:44","guid":{"rendered":"https:\/\/ibexaviation.com\/pilot-training\/?p=14221"},"modified":"2025-06-14T07:12:46","modified_gmt":"2025-06-14T01:42:46","slug":"convergency-and-conversion-angle","status":"publish","type":"post","link":"https:\/\/ibexaviation.com\/pilot-training\/convergency-and-conversion-angle\/","title":{"rendered":"Convergence and Conversion Angle"},"content":{"rendered":"\n<h2>Convergence Conversion angle<\/h2>\n\n\n\n<h3>Convergency or Earth Convergence<\/h3>\n\n\n\n<ul><li>Convergency or Earth convergence is the angular difference between two meridians at a parallel of latitude<\/li><li>Meridians converge towards the poles and diverge towards the equator<\/li><li>At the equator, two meridians with 45 degrees of difference in longitude are parallel to each other<\/li><li>Angular difference between the meridians is zero<\/li><li>At the poles, the same two meridians with 45 degrees of difference in longitude are have an angle of 45 degrees<\/li><li>Angular difference is same as their change in longitude<\/li><li>At any other latitude, the same two meridians with 45 degrees of difference in longitude are have an angle of between 0 and 45 degrees<\/li><li>The angular difference between two meridians at a given latitude is called as Earth Convergence or Convergency<\/li><li>Convergence is minimum at 0 degrees latitude and maximum at 90 degrees latitude<\/li><li>Therefore, we can say that the convergency follows a sine curve<\/li><li>At equator or 0 degrees latitude, Sin 0 is equal to 0<\/li><li>At poles or 90 degrees latitude, Sin 90 is equal to ch-long<\/li><li>The formula for convergency is therefore given by a formula<\/li><li>Convergency = ch-long x sine (lat)<\/li><\/ul>\n\n\n\n<h3>Significance of Convergency<\/h3>\n\n\n\n<ul><li>Convergency signifies the change in great circle track direction<\/li><li>Convergency is the angle of inclination between two selected meridians<\/li><li>The value of change in the great circle track is same as convergency at that latitude<\/li><li>If the points are not on the same latitude their mid-meridian is considered for calculation<\/li><\/ul>\n\n\n\n<h3>Conversion Angle<\/h3>\n\n\n\n<ul><li>Conversion angle is the difference between Great circle and Rhumb line tracks<\/li><li>Conversion angle is equal to half of convergency since Rhumb line is a uniformly curved line<\/li><li>The value of variation between Great Circle and Rhumb Line Track is given by Conversion Angle<\/li><li>Therefore, formula for conversion angle is given by a formula<\/li><li>Conversion angle = \u00c2\u00bd ch-long x sine mean lat<\/li><\/ul>\n\n\n\n<h2>Best of luck<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Convergence Conversion angle Convergency or Earth Convergence Convergency or Earth convergence is the angular difference between two meridians at a parallel of latitude Meridians converge towards the poles and diverge towards the equator At the equator, two meridians with 45 degrees of difference in longitude are parallel to each other Angular difference between the meridians is zero At the poles, the same two meridians with 45 degrees of difference in longitude are have an angle of 45 degrees Angular difference is same as their change in longitude At any other&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"disable_featured_image":false},"categories":[324],"tags":[],"_links":{"self":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/posts\/14221"}],"collection":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/comments?post=14221"}],"version-history":[{"count":0,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/posts\/14221\/revisions"}],"wp:attachment":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/media?parent=14221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/categories?post=14221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/tags?post=14221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}