Biot Shipyard Trireme 43

The Trirème 43 Ketch central cockpit is a cruising sailboat designed by architect François Charpentier, renowned for numerous high-quality racing and cruising sailboats. Built in steel by Chantier Naval de Biot in France in 1981.
Highly sought after by sailors planning long voyages, Atlantic crossing, or living aboard. Robust construction and designed for the high seas, good sea behavior, spacious interior layout suitable for long-distance cruising.
This is not a mass-produced series model, making it quite rare on the market.
French flag registered in Fort de France, French Antilles VAT and octroi de mer paid, visible in Martinique.
Layout:
Two double cabins
Forward double cabin
Water closet with sink and Lavac toilet fully overhauled in 2022 with new foot pump in March 2025
Small workshop forward starboard with vise
Portside aft double cabin accessible via starboard side deck
L-shaped saloon on port side with table, bench, and ample storage under benches and floors
Chart table on starboard
L-shaped galley aft port side
Six sleeping places
CD radio with speakers
12V fans
Galley:
Double stainless steel sink
Electric fresh water pump
Complete freshwater pump overhaul in October 2024
Proline A+ 220V refrigerator
Two-burner stove with Eno oven on swivel
800L water tank
Pressurized cold water system
With expansion vessel and Seagull IV filter replaced in October 2024
Water system overhaul June 2021 + tank cleaning (3 tanks: 200L + 2x300L = 800L)
Sails and Rigging:
Full rig overhaul in July 2022
Replacement of shrouds on main mast and turnbuckles
Furling main sail on Profurl furler, last review October 2024
Galvanized genoa on furler with UV strip replaced in 2022
Profurl furler
New mooring halyard July 2022
New mizzen sail August 2022
New mainsail and mizzen cover in 2022
New Fisherman in August 2022
Rolling genoa with hook on headsail
New in August 2022
Genoa on removable forestay
New in August 2022
Symmetrical spinnaker with sock
Two winches on the main mast
Two winches on the mizzen mast
Five winches in the cockpit
Electronics:
Raymarine navigation system with wind, speed, depth gauges, and wind vane
New navigation system cables
New 2025 Icom C330 VHF
VHF cable
Autohelm autopilot on tiller, operates on heading and wind (course regulator)
Icom AIS receiver and transmitter
Furuno radar
Electricity:
New navigation and anchoring lights at the masthead
Two 370W solar panels from May 2021
Victron MPPT 30 charge controller, one from May 2021
New June 2023 engine start batteries 2x100A
3000W inverter from May 2021
Rewired 220V electrical system in July 2021
New January 2025 Victron Deep Cycle AGM batteries 2x170A
Cristec 25A shore power charger
Propeller shaft alternator
Deck:
New April 2023 Lofrans Tigre 1500W windlass
Main anchor Rocna 25kg from 2022 with 60m 10mm chain replaced in May 2023
Secondary anchor Brittany 40kg with 60m chain, 10mm
Other anchors: Fortress and CQR 24kg with +30m 8mm chain
New August 2023 cockpit sun awning
Solar panel arch with dinghy davits
Deck shower
Rear locker with two 13kg gas bottles and one 3kg gas bottle
Miscellaneous:
New 2025 Plastimo PVC dinghy 2.70m
Yamaha 2-stroke 15hp outboard engine
Hull anodes replaced November 2021
Last hull scraping September 2025
Tools, vacuum cleaner, spare parts
Spare parts for engine, electrical system, plumbing, fasteners, etc.
Paint stock used for boat maintenance
Stabilizer vest and pressure regulator
10 fenders
Several heavy-duty and long mooring lines
12V bilge pump for forward compartment
Automatic 12V bilge pump in sump
Survival raft Bombard for six offshore persons from 2018
One self-inflating lifesaver
Two survival suits
Four fire extinguishers
Crown buoy
Rebuilt injection pump and injectors November 2022
New April 2023 Dumper
New April 2023 engine silent block
Propeller shaft alignment April 2023
New April 2023 exhaust elbow
New 2022 hydrolube sleeve + gland
Oil change annually
2025 cooling system upgrade
Complete fishing equipment