{"id":14219,"date":"2025-06-03T16:16:14","date_gmt":"2025-06-03T10:46:14","guid":{"rendered":"https:\/\/ibexaviation.com\/pilot-training\/?p=14219"},"modified":"2025-06-14T07:13:34","modified_gmt":"2025-06-14T01:43:34","slug":"scale-of-maps-and-charts","status":"publish","type":"post","link":"https:\/\/ibexaviation.com\/pilot-training\/scale-of-maps-and-charts\/","title":{"rendered":"Scale of Maps and Charts"},"content":{"rendered":"\n<h2>Scale of Chart<\/h2>\n\n\n\n<h3>Measurement of Distances using Scale of Chart<\/h3>\n\n\n\n<ul><li>Scale is the relationship between distances on chart and on ground<\/li><li>The relation can be give as a Graduated Scale Line, Statement in Words and as a Representative Fraction<\/li><li>Graduated scale line is a visual representation of scale on a graduated line<\/li><li>Graduated scale lines are useful for visual estimation of distances<\/li><li>Statement in words is the scale explained as a statement<\/li><li>A statement of &#8216;One inch is equal to twenty nautical miles&#8217; means a length of 1 inch on chart is equal to 20 NM on ground<\/li><li>Statement in words are useful when we want to use the normal inch scale to measure distances<\/li><li>Representative fraction is the ratio of chart length to earth distance without units<\/li><li>Statement in words can be converted to representative fraction by converting the numerator and denominator to the same units<\/li><\/ul>\n\n\n\n<h3>Example of Representative Fraction<\/h3>\n\n\n\n<ul><li>A Representative Fraction of 1: 500,000 can be used in any unit like Inches as well as Centimetres<\/li><li>1 : 1 Million means 1 inch on chart is equal to 1 million inches on ground<\/li><li>1 : 1 Million also means 1 cm on chart is equal to 1 million cm on ground<\/li><\/ul>\n\n\n\n<h3>Large Scale and Small Scale Charts<\/h3>\n\n\n\n<ul><li>More detailed charts are called large scale charts while less detailed charts are called small scale charts<\/li><li>Large scale charts cover lesser area and have large representative fractions<\/li><li>Larger representative fraction needs a smaller denominator<\/li><li>Therefore, Half million chart has larger scale than one million chart<\/li><li>Small scale charts cover more area and have a smaller representative fraction<\/li><li>Smaller representative fraction needs a bigger denominator<\/li><li>One million chart has a smaller scale than a half million chart<\/li><\/ul>\n\n\n\n<h2>Best of luck<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Scale of Chart Measurement of Distances using Scale of Chart Scale is the relationship between distances on chart and on ground The relation can be give as a Graduated Scale Line, Statement in Words and as a Representative Fraction Graduated scale line is a visual representation of scale on a graduated line Graduated scale lines are useful for visual estimation of distances Statement in words is the scale explained as a statement A statement of &#8216;One inch is equal to twenty nautical miles&#8217; means a length of 1 inch on&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\/14219"}],"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=14219"}],"version-history":[{"count":0,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/posts\/14219\/revisions"}],"wp:attachment":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/media?parent=14219"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/categories?post=14219"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/tags?post=14219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}