arglgarg

okay lets say the name of the ospray is Peter and the name of the som-module is Paul, then the trigger-line should look like this: ... does it work now?

Place an osprey on the map and name it, for example "OSPREY". Then add [["transport"],player] call BIS_SOM_addSupportRequestFunc; SOM setVariable ["TSS_vehicle_custom", OSPREY]; to the trigger. The Osprey will take off, when the request was sent and will return to its initial position after the transport is done (and will available for the next request).