[303rd-Talk] B-17 IFF Switch

[Keith Hastie]

Gary,

I think that panel is for controlling the aircraft recognition lights, for visual ID only.  I can't imagine there would have been emergency destruct procedures for this switch panel; maybe the code book or flimsy that had the actual light sequence, but not the panel.

Now, a true IFF transponder, one that broadcasts a radio signal to friendly radar operators would certainly have been highly protected technology and would have had emergency destruct procedures.  I don't know if 8th AF planes carried true IFF (or if it even existed during the period).

Best regards,

Keith

Gary Moncur <glm at 303rdBG.com> wrote: 
To: Radio Operators or anyone who knows ....

This link shows the IFF unit used in B-17s.  It was said to be 
mounted in the radio room with a destruct button beside it.  Is that 
correct?   Can anyone explain its operation -- how the colored light 
switches and keying switch were used?

http://tinyurl.com/256akq

Thanks,
Gary

-- Gary L. Moncur
         303rd Bomb Group (H)
         http://www.303rdBG.com

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