An excellent flash...
Firstly, I've noticed a few people complaining about the hostage voices being ridiculous. I can't help but think that it furthers this shooter's parallels with the old Virtua Cop back on Sega Saturn or whatever that was. Subsequently, I don't think that's something that should be changed.
Also, the game is tough, yes, and the terrorists WILL hit you if given enough time, everytime, this makes sense. However, if you decide to make a further stage, perhaps you could include the colour changing targetting indicator that made Virtua Cop so distinct. That would make the game a bit more a) nostalgic, if that's what you're going for and b) fair to those who aren't quick enough to shoot the terrorists before getting shot.
Someone prior to me asked for interactive environments, and I think that's asking alot, too much, even.
Anyway, the game plays well, nice that there was a bit of a "choose your own adventure" thing at the start, too.
Admittedly, the reload should probably have been all six bullets (or however many cylinders were empty) rather than just one each time. Through playing, you can tell a considerable amount of effort was put into this and the game gets an appropriate score, I believe.
P.S. The hostage hanging DOWN from the wing of the plane just to get right in your way was funny, and rather clever.