CAO = CARGO AIRCRAFT ONLY
                                                                                
                                            
        
                            A marking indicates when Dangerous Goods must not be carried on an aircraft with passengers.
                    
    
                                                                                                                                                                                                                                                                                                                                                                    
    
                                                           Shipment is only allowed in cargo aircrafts. 
 
The label must be at least 12 cm x 11 cm in size for most packages.
                                                                                                                                                                                                                                        The label must be at least 12 cm x 11 cm in size for most packages.