A new entry has been added to Add-Ons Library, category FS 2004 Effects

Description: I made these 10 XML gauges to emulate FSX's wingtip contrail effect. Each gauge will turn on a light type in the [LIGHTS] section of the aircraft.cfg when the aircraft is over 174Knots/200MPH/323KPH and G is +1.5 or -0.5. If you want/need to edit the values you can with notepad .etc. Gauges for every light type and contrail effect included.

To check it out, rate it or add comments, visit Wingtip Contrail Gauges
The comments you make there will appear in the posts below.