🛠️ Invention or technique

COSPAS-SARSAT (satellite distress beacons)

COSPAS-SARSAT (radiobalizas de socorro por satélite)

Date
1979-1985 · confidence high
Place
Ottawa, Ontario, Canada
Credited to
Canada, France, United States and the Soviet Union
Field
Communication

What it is

An international programme in which satellites detect and locate the distress signal of beacons on ships, aircraft and individuals. Its first rescue was in September 1982 and it has since helped save tens of thousands of lives.

It is an intergovernmental programme headquartered in Canada; the technology emerged from collaboration between Cold War rivals.

What it led to

  • EPIRB and ELT beacons
  • the Global Maritime Distress and Safety System (GMDSS)
  • satellite search and rescue
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Sources✓ verified 2026-11-04