Landing lights for add-ons

[demoteam44]

i'm just wondering if its just my comp, but any add-on aircraft for fsx, the landing lights don't illuminate the ground.  the stock aircraft that came with fsx do, but any others....how come??

[ATI_7500]

This thread was about ther same question:

http://www.simviation.com/cgi-bin/yabb2 ... 1174554640