Joint Winter Runway Friction Measurement Program

[FL420]

Here is some good info. on the Transport Canada (TC) and the National Aeronautics and Space Administration (NASA) program entitled Overview of the Joint Winter Runway Friction Measurement Program, November 2004 (TP 13361)

http://www.tc.gc.ca/tdc/publication/tp13361e/13361e.htm

The references at the end are especially useful.