Repair of Ship Auxiliary/Main Engines and Turbochargers

Marine engineers repairing a ship engine and turbocharger on board

AirSea provides professional repair, inspection and overhaul of ship main engines, auxiliary engines and turbochargers. Our engineers work directly on board, in ports, at anchorage and during voyages, helping shipowners and technical managers restore reliable propulsion and power generation with minimal downtime.

We handle both planned maintenance and urgent technical failures. From diagnostics and troubleshooting to complete overhaul and final testing. Our team focuses on fast response, practical solutions and safe operation of marine machinery under real vessel conditions.

What we do

Where we work

Based in Tallinn, Estonia, AirSea provides worldwide on-board repair, maintenance and overhaul support for marine engines and turbochargers.

Our mobile engineering teams can attend vessels in ports, shipyards, at anchorage and, where operational and safety conditions permit, during voyage. We support planned maintenance, scheduled overhauls and urgent breakdowns, carrying out diagnostics, repairs, component replacement and final testing directly on board.

We commonly assist with:

  • Main engine inspection, troubleshooting, and repair
  • Auxiliary engine repair and overhaul
  • Turbocharger inspection, cleaning, repair, and replacement support
  • Cylinder head, piston, liner, bearing, and valve-related work
  • Fuel, lubrication, cooling, and exhaust system issues
  • Engine performance problems, abnormal noise, vibration, overheating, and smoke
  • Spare parts identification and supply

Our mobile teams are equipped for on-site work and can support vessels under tight operational schedules.

Information required for request

To assess the technical issue and prepare the repair team, tools and spare parts, please provide:

 

  • Vessel name and IMO number;
  • Current vessel location, destination or next port of call;
  • Preferred attendance date and available repair window;
  • Urgency level: planned maintenance, breakdown or emergency repair;
  • Engine or turbocharger type;
  • Manufacturer, model and serial number, if available;
  • Running hours and date of the last overhaul, if known;
  • Short description of the problem and observed symptoms;
  • Alarm codes, operating parameters or inspection results;
  • Details of damaged or suspected components;
  • Photos, videos, technical manuals, drawings or previous service reports;
  • Information about available spare parts on board.

Worldwide service

Our engineers support vessels in ports, shipyards and at anchorage worldwide.

24/7 technical support

We handle both planned maintenance and urgent machinery failures.

On-board engineering teams

Many inspections and repair operations can be completed directly on board.

Prepared for each task

We review the technical information in advance and prepare the required engineers, tools and spare parts support.

FAQ

What engines do you repair?

AirSea repairs main and auxiliary marine engines from a wide range of manufacturers. The exact scope depends on the engine type, available documentation, spare parts, and the technical condition of the unit.

Yes. We provide turbocharger inspection, cleaning, repair, overhaul support, replacement support, and spare parts assistance. We can also inspect related systems that may cause turbocharger failure or reduced performance.

Yes. AirSea engineers perform repair and inspection work directly on board. We can attend vessels in ports, shipyards, at anchorage, and other locations where safe access is available.

Yes. AirSea operates 24/7 and handles urgent technical requests. Please provide the vessel location, engine details, symptoms, photos, and required service window so we can assess mobilization and scope.

Yes. We can assist with spare parts sourcing for main engines, auxiliary engines, and turbochargers. If you are unsure about the exact part, send the equipment nameplate, part number, photos, and technical documentation.

Yes. After inspection or repair, we can provide findings, service notes, and recommendations for further repair, monitoring, spare parts replacement, or preventive maintenance.

Need engine or turbocharger repair support?

Engine and turbocharger problems can quickly lead to vessel downtime, safety risks, and costly delays. AirSea provides on-board inspection, repair, overhaul, and spare parts support for main engines, auxiliary engines, and turbochargers worldwide.

 

Send us your vessel details, equipment data, fault description, and photos — we will review the case and respond with the next steps.

We are always in touch

Peterburi tee 38/12 , Tallinn , Estonia

Send a Service / Repair Request

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We operate 24/7 and can urgently dispatch engineers.