only moving turfs gib/destroy things

code/modules/shuttle/on_move.dm

@@ -15,6 +15,10 @@ All ShuttleMove procs go here
 // Only gets called if fromShuttleMove returns true first
 // returns the new move_mode (based on the old)
 /turf/proc/toShuttleMove(turf/oldT, move_mode, obj/docking_port/mobile/shuttle)
+	. = move_mode
+	if(!(. & MOVE_TURF))
+		return
+
 	var/shuttle_dir = shuttle.dir
 	for(var/i in contents)
 		var/atom/movable/thing = i
@@ -41,8 +45,6 @@ All ShuttleMove procs go here
 			else
 				qdel(thing)
 
-	return move_mode
-
 // Called on the old turf to move the turf data
 /turf/proc/onShuttleMove(turf/newT, turf_type, baseturf_type, rotation, list/movement_force, move_dir)
 	if(newT == src) // In case of in place shuttle rotation shenanigans.

code/modules/shuttle/shuttle.dm

@@ -574,7 +574,7 @@
 				continue
 			move_mode = moving_atom.beforeShuttleMove(newT, rotation, move_mode)							//atoms
 
-		move_mode = oldT.fromShuttleMove(newT, underlying_turf_type, baseturf_cache, move_mode)	//turfs
+		move_mode = oldT.fromShuttleMove(newT, underlying_turf_type, baseturf_cache, move_mode)				//turfs
 		move_mode = newT.toShuttleMove(oldT, move_mode , src)												//turfs
 
 		if(move_mode & MOVE_AREA)