SACAA NPL Navigation Practice Questions - SACAA National Pilot Licence (NPL) General Navigation Examination Exam

What is the true shape of the Earth used for aeronautical charting and global navigation reference?

An oblate spheroid, flattened at the poles and bulging at the equator A perfect sphere with equal equatorial and polar radii A prolate spheroid, elongated along the polar axis and flattened at the equator A triaxial ellipsoid with asymmetric northern and southern hemispheres

Correct Answer:

An oblate spheroid, flattened at the poles and bulging at the equator

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