Global Maritime Distress and Safety System (GMDSS)
Sistema Mundial de Socorro y Seguridad Marítimos (GMDSS)
- Date
- 1988-1999 · confidence high
- Place
- London, England, United Kingdom
- Credited to
- International Maritime Organization (IMO)
- Field
- Movement
What it is
A system replacing Morse telegraph listening with digital selective calling, Inmarsat, beacons and radar transponders. It was adopted in 1988 and mandatory for ships from 1999.
What it led to
- automatic distress alerting by satellite and radio
- end of the Morse radiotelegraph requirement at sea
- distress-locating beacons