
Aircraft maneuvering is referenced to a standard rate turn, also known as a rate one turn (ROT). For aircraft holding purposes, ICAO mandates that all turns should be made, `at a bank angle of 25° or at a rate of 3° per second, whichever requires the lesser bank.` By the above formula, a rate one turn at a TAS greater than 180 knots would requ.....
Found on
http://en.wikipedia.org/wiki/Standard_rate_turn

A turn in which the heading of an aircraft changes 3
Found on
http://www.aerofiles.com/glossary.html
No exact match found.