flag tracking

flag tracking

flag tracking
A method of tracking a helicopter rotor by holding a flag made of cloth or another fabric against blade tips coated with wet paint. The blade that is out of track will leave its mark on the flag.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive ?
We have implemented a red flag tracking system to detect the highest risks.