ChristiaanJ
September 06, 2010, 18:14:00 GMT
permalink Post: 5917809

EXWOK ,
On Bellerophon's picture, it looks as if the FWD bug on the Mach meter is still at about M=2.2.... and just the barber pole at about M=2.04 as you would expect.
At that exact point in the picture I think he just hit his head against the ceiling... (FL600) but could still stay there a bit more.

Doesn't change any of your other comments, though.

CJ

Subjects Barber Pole FL600

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pattern_is_full
April 28, 2017, 17:40:00 GMT
permalink Post: 9755281

It's actually a window, with a red warning annunciator/flag behind it, that flags a problem with the functioning of the Vmo needle (yellow and black "speed-limit" barber pole.)

See section 4 on this web page: Heritage Concorde

On the extreme right - microscopic explanatory type (sorry!)

Since one of its triggering events is a loss of electrical power, the red flag will be showing unless the aircraft electrical system is powered up (my guess). So it shows red in most cockpit photos.

Subjects Barber Pole Vmo

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