need of red & green lights on an aeroplane.2 cases explaining how navigation lights/red & green lights on the wing help pilot during flight.Share this Stuff :Click to share on Facebook (Opens in new window)Click to share on WhatsApp (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)MoreClick to email a link to a friend (Opens in new window)Click to print (Opens in new window)