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White for a trial that counts.
Also known as: Valid trial flag, Fair trial signal
The athletics field-event signal showing that a throw or jump was legal and will be measured.
Signals that the trial was legal and will be measured.
Contexts: Public information
Raised before the measurement rather than after, so the flag settles legality and the tape settles distance — two separate decisions deliberately kept apart.
Contexts: Public information
A plain white flag raised by the judge at the front of the runway or circle immediately after the attempt.