A lot of research has been done on this subject, but as allways, it’s no that easy… The brightness of the light would have to change with the brightness of the background – an this changes depending of the position of a potential observer.

recommended reading:

http://jmrc.tripod.com/fa/stealth/stealth1.htm

The swiss airforce had even practiced the use of highway WITH bridges, it just depends where on the used 2-3 km they lie.

The pilots where realy concerned about that and had first to get used to this situation by having some sort of (much softer…) ribbons tied over the runway of their base, in the same position in distance and height as on the highway.

The question is: how much cost can you save with a hi-lo mix? The difference in price and life-cycle cost between the hi- and the low-aircraft must be quite big, only then a hi-lo mix makes sense.

The good-by paintjob on actually 2 Mirages 3RS is called “black & white”

for futher reading: http://www.safc.ch/sac/airshow3.html

These pictures are from the Le Bourget Airdisplay in Jun 2003

petit duc and petit duc c