Pierre de Fermat
Pierre de Fermat is one of the roughly sixty cable ships worldwide that keep the internet alive — laying new submarine cables and repairing broken ones, sailing for Orange Marine.
Specifications
| Operator | Orange Marine |
|---|---|
| Role | both |
| Flag | France |
| Cable capacity | 2,300 tonnes |
| Base port | Brest, France |
Role and operations
Pierre de Fermat serves Orange Marine in both installation and repair work — a dual capability that makes a vessel considerably more versatile than one built for a single purpose. On an installation voyage, coiled cable is loaded into large circular holds called tanks, then paid out steadily over the stern as the ship moves along a planned route, settling onto the seabed.
Repair work is a different discipline: the ship must locate a fault, recover the damaged cable section to the surface, cut out the problem, splice in a replacement length, and return the cable to the seabed. Both tasks demand precise ship-handling in open ocean conditions.
Cable capacity
The ship is documented with a cable tank capacity of 2,300 tonnes. That figure reflects how much cable — steel-armoured, with the optical fibre at its core — the vessel can carry in a single loading. Larger capacity generally means fewer port calls to re-load on a long installation project, reducing overall project time.
Fleet and base port
Orange Marine is the cable ship subsidiary of French telecommunications operator Orange, and operates one of the more established fleets in the European and global cable maintenance market. Pierre de Fermat is registered under the French flag and home-ported in Brest, on the Atlantic coast of Brittany.
Brest has a long association with maritime infrastructure and sits at a practical geographic position for reaching Atlantic cable routes as well as transiting toward the Mediterranean or further afield.