Galaxy Drop (Lock to squad, 1000m+ high)

[Asceye]

I have 2 questions with regards to Galaxy Drops.

1. How do you make a galaxy (or any other vehicle) to be squad only, thereby effectively ejecting all passengers so that you can have a make shift forced drop cert?

2. If you use the method I mentioned above at about 1000m, will your passengers die? Inversely, if I were to eject on my own at a high altitude, would I die if I am not an LA?

Not sure if this questions have been addressed before so I'm asking hehe.

Many thanks.