Our 24m proven multi-purpose, versatile survey vessel, MV FlatHolm, is certified by the UK Maritime & Coastguard Authority to work up to 60nm offshore, providing accommodation for 12 persons including a crew of four. She is available for crewed charter as is or can be supplied with qualified surveyors to carry out works around the UK, Ireland and Europe.
MV FlatHolm
MV FlatHolm Vessel Charter
CMS GeoScience owns and operates the MV FlatHolm, a 24-metre multipurpose utility vessel, for crewed charter. Classified by the UK Maritime Coastguard Authority, she can operate up to 60 nautical miles (111 km) offshore and accommodates 12 persons, including a crew of 4-6.
Fully Equipped for Your Marine Job
The vessel has a full suite of survey equipment, winches, crane, A-frame and quick release towing hook on board. A new 10ft survey container allows for a comfortable and safe working environment with the ability to deploy large equipment, including vibrocorers, CPT's and ROVs, etc, installed with a high-speed Starlink access point for reliable communication and data transfer. The vessel is available for crewed charter as is or supplied with qualified surveyors, operators and equipment.
Comprehensive welfare facilities are provided for all personnel on board MV FlatHolm, ensuring comfort, hygiene and operational readiness throughout the voyage. Crew members have access to a dedicated canteen located within the mess area, which is equipped with refrigerators, water, microwaves and kettle.
Sanitary provisions include two toilet and shower facilities, each fitted with new anti-slip epoxy flooring to enhance safety. These facilities are cleaned regularly and include handwashing and drying amenities to support good hygiene practices. The galley has recently undergone a full refurbishment and is now equipped with modern appliances and fixtures. It is maintained to a high standard to ensure both hygiene and functionality in accordance with maritime safety regulations.
Each cabin is fitted with a Smart TV, spacious bunks with privacy curtains, fresh linen and a shared working space to support both rest and productivity.
Specification
Principal Features
Classification:
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UK MCA MECAL CoP 2: 60nm:
M02WB022107
Cardiff
23.3 metres
21.1 metres
8 metres
7.2 metres
50 m2 deck area
2.5 metres (2.8 metres loaded)
3 knots / 8 knots
2 x 350hp continuous rated
10 tonnes
4500nm
8-10 days
128 GRT
39 NRT
220 tonnes
44 m3
9 m3
2 m3
12 persons overnight
15 persons total
4/6
G H L Z
712571
1977
Japan
Accommodation Areas
6 cabins for 12 persons in total
Mess area with TV Video
Galley
Machinery & Control
Main Engines
2 x Cummins NTA855M 350hp continuous rated to Twin Disc gearboxes.
Two control stations plus engine room
Main Propulsion
2 x Kaplan Propellors in fixed Kort Nozzles
Generators
2 x 110 kVA 3 ph 415V ac
1 x 40kva 3ph 415V ac
Power Supplies
1 x 63A 415v 50Hz AC supply for deck
1 x 32A 220v 50Hz AC supply for deck
1 x 16A 220v 50Hz AC supply for lab
1 x 24v DC supply for bridge / lab electronics
1 x 12v DC supply for bridge / lab electronics
Stern / over the side working
CCTV, intercom and headsets for bridge communication
Safety System
CCTV, MOB alert, 5.4m AVON RIB quick launch work boat. Comprehensive QA system with Standard Safety & IMCA audits completed
Consumption Guide
Transit= 100l / hour
On survey= 100l / hour
Standby at sea= 50l / hour
Standby alongside= 50l / hour
Handling Facilities
Hydraulic Deck Crane HyTek Sea Crane 14t/m with high speed 1.5t sampling winch
Tugger Winch SAMIA Hydrobloc S35 3.5t SWL
A-Frame Aft 6.5t SWL
Deck Winch Gearmatic Commercial Motors 6.5t SWL
4 point mooring system available
Navigational Equipment
2 x radar including MARPA
1 x Navitron 990 Autopilot
1 x colour echosounders
2 x CSi dGPS heading & position systems
UKHO Admiralty Electronic charting
External Communications
2 x ICOM VHF
2 x handheld VHFs for deck operations
GSM 3G mobile
Satcomms via Iridium (urgency use only)
Pumps
Pumps 2 x 2”, 2 x 1.5” Fire/bilge deck wash
Special Features
COWRIE Compliant for Ornithological Surveys:
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Exceeds the minimum eye height: (5.8m and 8.1m seated)
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Exceeds the minimum cruising speed: (8.5 knots)
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Exceeds the minimum vessel size: (23.5m)
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Complies with not being a past or present fishing vessel
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Provides ample space for multiple observers on both sides
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Provides comfortable accommodation for off watch periods
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Survey sensor instrumentation available
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Residential Quality Exhaust Silencer
Survey Equipment Available
Standard & Heavy Duty Vibrocoring to 6m below seabed
CPT to 20m penetration below seabed
Multibeam (swath) bathymetry systems
Multiaxis heave compensator systems
Geophysical profiling pinger and boomer systems
ROV for biological, geological survey and inspection
Dual frequency sidescan sonar systems
Seabed grab samplers (Hamon, Day, Van Veen, Hydraulic Clamshell etc)
2m and 4m beam trawls
Box corer, gravity, piston and drop corer
Suitable Uses include:
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Geotechnical surveys - CPT, vibrocore, grab
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Geophysical surveys - sidescan sonar, pinger, boomer, sparker, magnetometer
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Multibeam - swath surveys
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Metocean equipment deployment
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Environmental surveys - trawling, benthic sampling, video
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ROV inspection- depth of burial, scour, damage
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Towed body deployment
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Hydrographic survey support
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AUV deployment & support
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Harbour & coastal towing
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Dive support
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Crew transfer
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Ships supplies
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Guard work
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Salvage throughout Northern Europe