Uit: APPENDIX H TO THE INTERNATIONAL SPORTING CODE
Te vinden op:
http://www.fia.com/resources/documen...pendix_H_a.pdf
4.1.2 Flag signals to be used at observation posts:
a) Red fl ag:
This should be shown waved only on instruction from the Clerk
of the Course when it becomes necessary to stop a practice
session or the race. All drivers are required to slow down
immediately and proceed to the pit lane (or the place foreseen
by the regulations of the Event), and must be prepared to stop if
necessary.
Overtaking is not permitted.
Lijkt mij duidelijk.