Principles of Flight - Thrust (2)

Jet engines are also called gas turbines.

Principles of Flight - Thrust (1)

Thrust is the last force to cover. It is the forward-moving force and parallel to the flight path. Such force is produced by the engines. 

Principles of Flight - Drag (3)

The amount of Induced Drag and Parasite Drag change differently when speed increases.

Aviation Terminology - Nautical Miles (NM)

When flying, we often hear the term "Nautical Mile (NM)". In fact, it is originated from sea navigation. It is a unit of distance measurement.

Aviation Terminology - Meridian, Great Circle, Rhumb Line

There are some common terminologies that we may encounter during navigation.