FN Diving Underwater Ship Repair Maintenance and Inspection

FN Diving Underwater Ship Repair Maintenance and Inspection FN Diving

24/7 Class approved international Underwater ship repair maintenance and inspection. Flag ship office Rotterdam Holland and Algeciras Spain

Underwater Welding
Underwater Cutting
Hull Insert Plate Repairs
In-water removal and installation of propellers
Zinc anode replacement
Underwater Transducer replacement and repair
Blank off sea chests (suctions and discharges, etc.) to facilitate repairs inside vessel
Replacing echo sounders and speedlogs
Replacing ICCP and Cathodic protection Shields
Bow thruster repair and replacement
Repair of

ballast tanks. Underwater placement and design of eco caps for propeller efficiency

Underwater Ship Inspections

Complete hull surveys, including still and video color photography documentation. Complete running gear inspection, including struts, fairwaters, rope guards, propellers,
Underwater inspections on rudders and bearings. NDT inspections of hull shell plating and other underwater appendages. Special inspections at request of ship owners/ representative, classification inspectors, surveyors and insurers. dry-dock extension inspections in compliance with all major classification societies
Pre-purchase, pre/post charter surveys. Pre and Post dry dock inspections. Damage assessment inspections. Hull coating inspections. Bottom survey at berths or anchorages to locate and remove obstructions hazardous to vessels. Underwater paint/epoxy/coating inspection and application. NDT underwater inspections
Ultrasonic thickness measurement. Magnetic particle (crack detection)

Underwater Ship Maintenance

Propeller polish
Underwater hull cleaning
Blank off sea inlets and overboard discharges

Stern Tube Seal Repair ServicesFrom our permanent base in the Port of Rotterdam, we support shipowners, technical manage...
28/04/2026

Stern Tube Seal Repair Services

From our permanent base in the Port of Rotterdam, we support shipowners, technical managers, shipyards, OEM service partners and class surveyors with underwater, in-water, on-site and drydock stern tube seal repairs.

Our team is trained and equipped for afloat stern tube seal repairs, on-site seal bonding, split seal installation, rope guard removal, wear-down measurements, liner inspection, leak testing and full drydock support.

Unlike many service providers that first need to mobilize parts, equipment or personnel from abroad, FN Diving has the advantage of local Rotterdam presence, operational diving teams, propulsion repair experience and essential stern tube seal spare parts available from stock.

https://www.fndiving.com/services/underwater-ship-repair/stern-tube-seal-repairs/

19/09/2025

ICCP & Anode Renewal: Prevent Corrosion, Keep Moving

Regular renewal of anodes and ICCP systems is essential to keep vessels in top condition. With timely inspections and maintenance, propulsion and maneuvering systems remain reliable – avoiding unexpected downtime or costly drydock stays.

A well-functioning Impressed Current Cathodic Protection (ICCP) system safeguards not only the hull, but also critical assets such as thrusters, rudders, and other valuable equipment. Preventive care ensures longer service life, safer operations, and lower total costs.

👉 Investing in protection today means fewer surprises tomorrow.



https://www.fndiving.com/services/underwater-ship-repair/replacing-iccp-and-cathodic-protection-shields/

Special ops
23/07/2025

Special ops

Propeller Repair Services in Trinidad and TobagoThe owners of a unique-purpose vessel found themselves grappling with in...
04/07/2025

Propeller Repair Services in Trinidad and Tobago
The owners of a unique-purpose vessel found themselves grappling with intense propeller vibrations while navigating the waters in the Guyana region. They turned to FN Diving for delivering expert underwater propeller repair solutions.
Our specialised team flew in boarded the vessel for a thorough underwater inspection while it was anchored in Trinidad. This inspection as expected unveiled substantial damage to two propellers – six blades were fractured and an additional four propeller blades had bent due to debris encountered in the river. The propellers, measuring 4600MM, were seriously compromised.

https://www.fndiving.com/work/propeller-repair-services-in-trinidad-and-tobago/

Propeller Repair Services in Trinidad and TobagoThe owners of a unique-purpose vessel found themselves grappling with in...
28/06/2025

Propeller Repair Services in Trinidad and Tobago

The owners of a unique-purpose vessel found themselves grappling with intense propeller vibrations while navigating the waters in the Guyana region. They turned to FN Diving for delivering expert underwater propeller repair solutions.
Our specialised team flew in boarded the vessel for a thorough underwater inspection while it was anchored in Trinidad. This inspection as expected unveiled substantial damage to two propellers – six blades were fractured and an additional four propeller blades had bent due to debris encountered in the river. The propellers, measuring 4600MM, were seriously compromised.

tread more

https://www.fndiving.com/work/propeller-repair-services-in-trinidad-and-tobago/

When time is critical, trust the team beneath the surface.FN Diving provides professional underwater propeller repair — ...
10/05/2025

When time is critical, trust the team beneath the surface.

FN Diving provides professional underwater propeller repair — fast, safe, and certified.

Our divers are available 24/7 in major ports like Rotterdam and Algeciras, helping vessels avoid costly delays and dry docking.

IACS class-approved
Serving the commercial fleet
Visit us to learn more:

https://www.fndiving.com/services/underwater-ship-repair/underwater-propeller-repair/

FN Diving: Premier Underwater Services in the Port of RotterdamFN Diving is the go-to underwater service provider in the...
18/12/2024

FN Diving: Premier Underwater Services in the Port of Rotterdam

FN Diving is the go-to underwater service provider in the Port of Rotterdam, Europe’s largest and most dynamic port. Covering 105 square kilometers and stretching over 40 kilometers, the port is a hub for global maritime activities—and FN Diving is at the forefront, delivering expert diving solutions across all zones.

Why Choose FN Diving?

1. Strategic Location
With our headquarters and operational hubs situated within the port, FN Diving ensures rapid response times of under 1 hour for mobilization and demobilization.
2. Complete Port Coverage
Our diving operations extend to every corner of the port, including:
• Delfshaven, the historic harbor.
• Industrial zones such as Waalhaven, Botlek, and Europoort.
• The Maasvlakte, reaching into the North Sea.
3. 24/7 Availability
FN Diving operates round-the-clock, collaborating closely with the Port of Rotterdam Authority and the Harbor Master’s Division to ensure safe, seamless, and efficient operations day and night.

Our Capabilities

• Underwater Welding and Steel Repairs
Advanced workshops and expert welders for complex underwater tasks.
• Propulsion Systems Maintenance
Fully equipped workshops staffed with technicians available 24/7.
• Rapid Deployment
Three fully operational, professional diving vessels strategically stationed for the quickest reaction times across the port’s 65 kilometers.
• Dedicated Back Office
A 24/7 manned support team to coordinate and ensure smooth operations.

The Port of Rotterdam: A Hub for Underwater Repairs

The Port of Rotterdam offers unmatched facilities for underwater inspections and repairs, including:
• 24/7 Accessible Berths at buoys and dolphins.
• Unlimited Depths to accommodate vessels of all sizes.
• Services such as bunkering, lay-by, and ship-to-ship transfers.

FN Diving leverages these facilities in Rotterdam to provide world-class underwater solutions, ensuring your vessel’s operational integrity without unnecessary delays. more info on https://www.fndiving.com

Damaged ship propeller problemsIt is difficult to estimate the increase, but even a small percentage of extra fuel consu...
01/12/2024

Damaged ship propeller problems

It is difficult to estimate the increase, but even a small percentage of extra fuel consumption will quickly exceed the repair price of underwater propeller repair.
Several problems arise from damaged or bend propeller blades. Due to the bent section of the blade, the pitch of this blade has increased and for sure your fuel consumption will rise. Even if you don’t notice any significant vibrations, because the propeller is now running heavier.

The fact that one (1) blade has a higher pitch, results in an unevenly distributed pressure on the propeller. The shaft installation was not designed to handle this.
The engine has to work harder, which could create the risk of overloading. Due to the bent section, the water does not flow smoothly along the blade surface, so there is a chance for further damage due to cavitation.

Sometimes an indication of this phenomenon is an increased level of propeller noise, but it is possible that you do not notice this during sailing at all, while cavitation damage still progresses.

Underwater Propeller Repair in 24 hrs;

The total time for underwater propeller repair are normally under 24 hrs, with no drydocking or down time. It’s a cost effective solution that is guaranteed to get you back on schedule fast. Feel free to contact us!

https://www.fndiving.com/services/underwater-ship-repair/underwater-propeller-repair/

Vacature: Schipper bij FN DivingLocatie: RotterdamDienstverband: Fulltime/ParttimeOver FN DivingFN Diving is gespecialis...
04/11/2024

Vacature: Schipper bij FN Diving

Locatie: Rotterdam
Dienstverband: Fulltime/Parttime

Over FN Diving
FN Diving is gespecialiseerd in onderwaterdiensten en onderhoud aan schepen in de haven van Rotterdam. Met een team van ervaren professionals zorgen wij voor de beste oplossingen voor onze klanten. Wij staan bekend om onze betrouwbare, snelle en kwalitatieve dienstverlening. Momenteel zijn wij op zoek naar een gedreven en ervaren schipper die ons team komt versterken.

Functieomschrijving
Als schipper bij FN Diving ben je verantwoordelijk voor het veilig en efficiënt manoeuvreren van onze schepen tijdens diverse werkzaamheden in de Rotterdamse haven. Je werkt nauw samen met onze duikers en andere teamleden om de werkzaamheden soepel te laten verlopen. Je zorgt ervoor dat de veiligheid aan boord te allen tijde gewaarborgd is en voert dagelijkse onderhoudscontroles uit op het schip.

Wat ga je doen?

• Het varen en positioneren van de werkboten op de juiste locatie.
• Assisteren bij duikoperaties en andere onderwaterwerkzaamheden.
• Zorgen voor een veilige werkomgeving voor jezelf en je teamleden.
• Uitvoeren van onderhoud en kleine reparaties aan de schepen.
• Dagelijks rapporteren van de uitgevoerde werkzaamheden.

Wie ben jij?

• Je hebt een geldig vaarbewijs en relevante ervaring als schipper.
• Ervaring in de maritieme of duiksector is een pré.
• Je bent communicatief vaardig en werkt goed samen in teamverband.
• Je hebt een goede kennis van veiligheidsvoorschriften.
• Flexibel inzetbaar en bereid om in verschillende weersomstandigheden te werken.

Wat bieden wij?

• Een uitdagende functie in een dynamische werkomgeving.
• Marktconform salaris en goede secundaire arbeidsvoorwaarden.
• De mogelijkheid om jezelf verder te ontwikkelen binnen FN Diving.
• Een team van enthousiaste collega’s in een professionele werkomgeving.

Interesse?
Herken jij jezelf in dit profiel en ben je klaar voor een nieuwe uitdaging? Stuur dan je CV en motivatie naar ons via [email protected] en wij nemen zo snel mogelijk contact met je op!

Adres

Geyssendorfferweg
Melissant
3088GJ

Telefoon

+31104950944

Website

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