Flying banshee around on Keyes (and quicker ending)
After your find Keyes dead and get
back to the hangar, ignore all the guys and quickly jump down a level by walking
off the corner from the left side to the second level. as soon as you see the
banshees flying in jump down to the right of the elite in the shade. You'll be
badly hurt but still live. now as soon as the elite jumps out of one of the
banshees jump in. then you can fly around outside for about 10 sec (or you can
fly back into the level where you'll find an odd glitch.
Notice: the banshee flies very quickly here, has no health, and can easily nose
dive straight down while inside. Other wise it fun flying through walls and
through covies and flood that you skipped :)