SIGMO App connects to an existing SIGMO instance (available from release version 3.2 upwards). This app requires a valid account for a SIGMO instance. - Aircraft status - Maintenance (work requests) - AOG Status - Airport List & Briefing - Arrival/Departure List (Schedule) Any AOG status update or work request for line maintenance engineers arrive with push notifications. The aircraft status and airport briefing are also available in offline mode. Data protection directive of the airline operator applies.