anchor.diff:  	if(ishuman(user))
   		if(pack.flight && !forced)
   			usermessage("You must disable the engines before retracting the flightpack!", 1)
  -			return 0
  +			return FALSE
   		if(pack.flight && forced)
   			pack.disable_flight(1)
   		pack.flags &= ~NODROP
  
positive.code: 		drift_y = 1
  		drift_dir_y = SOUTH
  	if(momentum_speed == 0)
  		return 0
  	if(suit)
  		if(wearer)
  			if(!wearer.canmove)
  
negative.code: 
  /obj/item/device/flightpack/item_action_slot_check(slot)
  	if(slot == slot_back)
  		return TRUE
  
  /obj/item/device/flightpack/proc/enable_stabilizers()
  	usermessage("Activating automatic stabilization controller and enabling maneuvering assistance.")
  