Image of the NAVA 40 meeting flag, designed by Sophie Rault.
Meaning
The proportions of the flag are 5:8, it is swallow-tailed (as for NAVA 20 and NAVA 30).
The blue field, the silver star in the canton and the golden-yellow strip remind of the Nevada State Flag.
The 3 blue-white-red strips remind of NAVA.
There are 4 strips to celebrate 40 years of NAVA.

The strips are V-shaped for Vexillology.
Transferred from en.wikipedia to Commons.
Sophie Rault