RMIT Flight Training
Compasses
COMPASSES
Aim: To understand the principles and considerations of compass operations. Application: - Navigation flying - When DG fails Definitions: Simple Bar Magnet - a magnet freely suspended horizontally will swing so as its axis points roughly north/ south.
Magnetic Field - Earth acts like a large weak magnet Magnetic Variation - the angular difference between the magnetic poles and true poles of the Earth. - Isogonal are lines that join places of same magnetic variation. - Agonic is the line that joins places of zero magnetic variation. Easy way to remember relationship: VARIATION WEST, MAGNETIC BEST VARIATION EAST, MAGNETIC LEAST
RMIT Instructor Rating Mass Briefs Issue 1 /2004 Page 1
Brief 27
飞行翻译公司 www.aviation.cn 本文链接地址：RMIT飞行训练课件 27.指南针 27. RFT Compasses.pdf
Compasses
COMPASSES
Aim: To understand the principles and considerations of compass operations. Application: - Navigation flying - When DG fails Definitions: Simple Bar Magnet - a magnet freely suspended horizontally will swing so as its axis points roughly north/ south.
Magnetic Field - Earth acts like a large weak magnet Magnetic Variation - the angular difference between the magnetic poles and true poles of the Earth. - Isogonal are lines that join places of same magnetic variation. - Agonic is the line that joins places of zero magnetic variation. Easy way to remember relationship: VARIATION WEST, MAGNETIC BEST VARIATION EAST, MAGNETIC LEAST
RMIT Instructor Rating Mass Briefs Issue 1 /2004 Page 1
Brief 27
飞行翻译公司 www.aviation.cn 本文链接地址：RMIT飞行训练课件 27.指南针 27. RFT Compasses.pdf
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