Measurement of Directions in Aviation Shape of the Earth The shape of earth is called as an Oblate Spheroid The shape is also called as a Geoid which means Earth-Shaped Oblate Spheroid can be considered as an imperfect sphere Spherical with slight flattening at the ends of rotation The end points of rotation of spin axis are called poles Flattening of the earth at the poles is called compression Compression Ratio Compression of Earth is given by a ratio called Compression Ratio The difference between Equatorial and Polar diameter is…
Category: General Navigation
Basics of Air Navigation is called General navigation. In thsi section, you can learn General Navigation required for DGCA Examinations.
General Navigation – Index
General Navigation – Basic Air Navigation General Navigation is the most basic form of navigation, since it has been in vogue before the Radio Navigation Aids were invented. Obviously, General Navigation sets the foundation for Air Navigation. Topics covered in General Navigation Direction, Latitude and Longitude Great Circles, Rhumb Lines & Directions on the Earth Earth Magnetism The Navigation Computer – Slide Rule Face The Navigation Computer – Distance, Speed, Time and Conversions The Navigation Computer – TAS and Altitude Conversions The Navigation Computer – Triangle of Velocities The Navigation…