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Flag system

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All forms of motorsport use a system of flags or signal lights to inform drivers of hazards or other information during a race. While technological advances has meant that, in Formula One, many flags have been replaced by signal lights, the system of colored signals has remained constant since the early years of racing.

Flags currently in use in F1Edit

Flag Meaning
Yellow flag
Yellow
Indicates a hazard on or near the track (waved yellows indicate a hazard on the track, frozen yellows indicate a hazard near the track). Double waved yellows inform drivers that marshals are working on or near to the track.
SC board
SC board
Shown in conjunction with a yellow flag to indicate that the Safety Car is on track. Full course yellow flag applies.
Yellow and Red striped flag
Yellow and Red Striped
Slippery track, due to oil, water or loose debris. Can be seen 'rocked' from side-to-side (not waved) to indicate a small animal on track.
Green flag
Green
Normal racing conditions apply. This is usually shown following a yellow flag to indicate that the hazard has been passed. A green flag is shown at all stations for the lap following the end of a full-course yellow (or safety car). A green flag is also shown at the start of a session.
Blue flag
Blue
A blue flag indicates that the driver in front must let faster cars behind pass.
White flag
White
Indicates that a slow moving car is ahead. Often waved at the end of the pit lane when a car is about to leave the pits.
Red flag
Red
A red flag means a session has been stopped.
Black flag
Black
Driver is disqualified (usually accompanied by the driver's number).
Black Flag with Orange Circle
Black with orange circle
Car is damaged and must pit immediately.
Black and white flag
Half black/Half white
Warns a driver for unsportsmanlike behaviour. May be followed by a black flag upon further infringement. Accompanied by the driver's number.
Chequered flag
Chequered flag
Session complete.
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