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.
Defining the Language of Aviation
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.
This site uses Akismet to reduce spam. Learn how your comment data is processed.
© Copyright 2017 All Rights Reserved
Speak Your Mind
You must be logged in to post a comment.