David

@Bob if that is the case, then I am not sure what all the fuss is about? There is no yellow light between the marshal post displaying green and the green flashing light?

@F1Rollout

The lights can either be controlled locally, or by race control. I suspect in this case it was race control. Race control should also direct a flagging station what to flag via radio. It is possible […]

For anyone that cares the regulations are here:

http://www.fia.com/resources/documents/1653003624__Appendix_H_a.pdf

Light signals
Lights may be used to supplement or replace waved red, yellow,
green, […]

In addition, the drivers know where all the flag positions are. This is why the marshalls display flags at the start of every session, so the drivers have a chance to spot the flag positions. Their lives can […]

The BBC has written, without citation, that the on track signals take precedence over the cockpit lights, so lets assume they have a source, and that is correct.

In that case, it matters not a jot whether the […]

@f1rollout – if the flags don’t have any meaning when the lights are showing – get rid of the flags. I’ve been unable to track down the correct section of the regs that define this, but if you pass:

1) […]

If Charlie controls the lights, and the marshalls control the flags, and the two are doing different things, that is the FIA and race control’s problem, not the drivers.

Even if the marshall is displaying the […]