Bell L-39 Research Aircraft

[hesham]

Hi,

A well know research aircraft,it was Bell L-39,which offered in two version L-39-1
and L-39-2.

From my dear Tailspin site

http://www.aviastar.org/air/usa/bell_l-39.php
http://tailspintopics.blogspot.com.eg/2011_04_01_archive.html