Odd graphics glitch with the L-39

[Topgun505]

Patched up to 2.7 and flew several aircraft.  No graphical glitches found so far save for one.  Jumped into a L-39 and when I got airborne (it didn't seem to do this on the ground) I was seeing a graphical glitch every few seconds right outside the canopy.  Basically looks like a large triangle about the length of the canopy suddenly appearing and disappearing about once every 3-5 seconds.  

[104th_Money]

Been there for a few versions already...