Abstract: Safety system (100) for use with a personal protective equipment for working in great heights comprising: wireless communication means configured to provide a communication with a rescue coordination center (170); sensor means for providing sensor data comprising at least one acceleration sensor and at least one orientation sensor; evaluation and notification means configured to determine a fall event and/or a loss of consciousness event based on the sensor data and to notify the rescue coordination center (170) via the wireless communication means by sending an alert event message.