See http://www.faa.gov/atpubs/FAC/Ch10/s1001.html#10-1-6 It's the ATCT supervisor/CIC (controller in charge? - not sure what this means) - is the one who decides to change the active runway. David R ----- Original Message ----- From: "Gerard M Foley" <gfoley@xxxxxxxxxxxxxxx> To: <AIRLINE@xxxxxxxxxxxxxxxxx> Sent: Wednesday, June 16, 2004 18:45 Subject: Re: [AIRLINE] Plane Face-Off Shuts Narita Runway : : : I have asked these questions of a friend who has been at CMH ATC for forty : or so years, but he has never seemed to understand what I am talking about: : : Who decides to switch from 10 to 28? : : Is there a firm rule?