Aero-Terms are designed to be a daily reminder of the terms,
names, acronyms and explanations of the unique language that
populates the aviation world. Aerospace, sport aviation, fixed
wing, helo, you name it... it's all fair game.
Aero-Terms should serve as a quick but intriguing reminder of
the terms you may use every day, or an introduction to an aspects
of the Aero-World you may not yet be familiar with. ANN also
encourages readers to go beyond the FMI link, and further research
any intriguing terms.
Here's a real back-to-basics term that we need to be aware of
even in this age of NextGen and glass cockpits. Compass Course is
a bearing as indicated by the horizontal angle between the
compass needle and the centerline of the aircraft. A Compass Course
is equal to a True Course ± variation and deviation; also
equal to a Magnetic Course ± deviation.