According to Canadian-born Robin on HIMYM, going to the blue line means just kissing. Otherwise known as first base in American culture.

A black rectangle with a solid, thick blue line through the middle. Symbol that is put on items ranging from front license plates, pins, bumper stickers (very small sticker),etc that denotes the user is a police officer. It is a violation of many state's laws to display this symbol if the user is not employed by a police agency. Related to this is the Red Line, which is used to identify fire/medical services personnel. These symbols are usually found on the off-duty vehicles or other personal effects of police /emergency services personnel.

The only airline company with pilots pulling more 3g at service ceiling(the max altitude for safe flight) then performing glorious free-falls, and spicing it with tail-strikes, alpha-floor protection triggers, gear up landings, out of fuel emergencies in the middle of the ocean, and, most importantly, all the pilots are taken from the FSXCC competitors pool.