spawn MH9 in editor call it heli

execute

heli lock 3;
hint str locked heli; //3

you can get in and out, try

heli setvehiclelock "lockedplayer";
hint str locked heli; //3

same thing, doesnt work.

Also try

heli lock 1267347;
hint str locked heli; //1.26735e+006 <<---Really??? :)