[racerbruce]

An open invitation to the FIA:

Racing Flags 101....no, I'm not kidding.

Checkered Flag:
Signifies the end of the practice session, qualification attempt or race. The race leader is declared the winner.

Green Flag:
Signals the start of the practice session, qualification attempt or race and all restarts after a caution or red-flag period.

Yellow Flag:
The “caution flag,” signals hazardous conditions on the track, and cars must slow immediately, maintain position and yield to track safety vehicles until the green flag is displayed. During a qualification session, a qualification attempt is halted.

White Flag:
Displayed when the leader starts the final lap of the race. During qualifications, signals that driver has started final lap of qualification attempt.

Blue Flag:
The “passing flag,” signals slower cars to yield to faster with traffic.

Red Flag:
Signals that the race stops immediately, regardless of position of cars on the track.

Black Flag:
Directs a driver to proceed to the pits on the next lap and to consult with race officials.

Red and Yellow Flag:
Signals that oil, water or some other substance has made the track surface slippery.