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Wed, Jun 05, 2013

ANN's Daily Aero-Term (06.05.13): Waterline (WL)

Aero-Terms!

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.

Suggestions for future Aero-Terms are ALWAYS welcome, as are additions or discussion of the explanations given for each Aero-Term.

Waterline (WL)

A horizontal reference plane used to locate and document vertical positions on an aircraft. Positions are usually given in inches above or below the waterline.

FMI: http://aviationglossary.com/waterline-wl

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