Comment by tialaramex

You're mostly fine unless you are confusing consumers. The purpose of these marks is exactly to avoid that, so you're going to get into a lot of trouble if you use the marks to mislead people in any way.

Take the Air China logo - if a not-so-bright reader might think you are Air China, you're using this all wrong. But if you use an Air China logo to signify the routes actually flown by Air China on a free world map of international flights on your web site, well, yeah, that's Air China, nobody is misled, even a moron knows the little logos on your map of the world aren't actually jet aeroplanes.