def air_check_header(air_instance, name):
    """
    @brief Validate a reference to an AIR header
    @param air_instance The top level AIR instance map
    @param name The name of the header
    @returns Boolean, True if a valid reference
    """
    if name not in air_instance.keys():
        return False
    if "type" not in air_instance[name].keys():
        return False
    if air_instance[name]["type"] != "header":
        return False
    return True