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Old 3rd May 2011, 22:56
Graham Boak Graham Boak is offline
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Join Date: Jan 2005
Location: Lancashire, UK
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Re: When was the British fin flash first added to RAF a/c early in WW II?

I believe it was the 1st May, or very close to it. They were in place by the start of the Battle of France on the 10th.
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