Add the following script to a player init.
("B_supplyCrate_F" createVehicle (getPosATL player))
setPosATL [getPosATL player select 0, (getPosATL player select 1) + 5, getPosATL player select 2];
("B_supplyCrate_F" createVehicle(getPosATL player))
setPosATL [(getPosATL player select 0) + 2, (getPosATL player select 1) + 5, (getPosATL player select 2)];
("B_supplyCrate_F" createVehicle(getPosATL player))
setPosATL [(getPosATL player select 0) + 4, (getPosATL player select 1) + 5, (getPosATL player select 2)];