[Milsurplus] BC-709 amplifier

[Lloyd KK7IZ]

This is a "little" stand alone intercom amp. Can any one tell me for sure 
what aircraft it was used in, please?
Pix at
http://img.photobucket.com/albums/v618/skyrider28/IMG_0184.jpg
http://img.photobucket.com/albums/v618/skyrider28/IMG_0185.jpg
http://img.photobucket.com/albums/v618/skyrider28/IMG_0187.jpg
http://img.photobucket.com/albums/v618/skyrider28/IMG_0186.jpg

Thanx
Lloyd  KK7IZ
kk7iz at cox.net

Lloyd Godsey  KK7IZ
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