Laser Alignment of Main and Auxiliary Engines, Machinery and Shafts

Marine engineer performing laser alignment of ship machinery

AirSea provides shipowners, vessel managers and superintendents with precision laser alignment of main engines, auxiliary engines, gearboxes, shafts and other rotating marine machinery directly on board.

Our engineers perform alignment checks and adjustment works directly on board using professional laser measurement equipment. This service is especially important after machinery installation, overhaul, foundation work, bearing replacement or when vibration and abnormal wear are detected.

What we do

Where we work

Based in Tallinn, Estonia, AirSea provides worldwide on-board laser alignment services for marine engines, gearboxes, shafts and other rotating machinery.

Our engineers can carry out alignment measurements and corrective adjustments on board vessels, in ports, shipyards and at anchorage. We support dry-docking projects, machinery installation, overhaul works, component replacement, commissioning, sea-trial preparation and urgent pre-departure alignment checks.

We commonly provide laser alignment services for:

 

  • Main engines and auxiliary engines
  • Gearboxes and couplings
  • Shaft lines and intermediate shafts
  • Pumps, compressors, generators, and rotating machinery
  • Machinery foundations after repair or replacement

 

Whether the vessel is in port, at anchorage, or preparing for sea trials, we help restore correct alignment, reduce vibration, and prevent accelerated wear of connected equipment.

Information required for request

To evaluate the alignment task and prepare the appropriate measuring equipment, please provide:

 

  • Vessel name and IMO number;
  • Current vessel location or planned service location;
  • Preferred date and available working period;
  • Urgency level and planned vessel departure date;
  • Type of machinery requiring alignment;
  • Equipment manufacturer, model and technical specifications;
  • Description of the alignment issue or observed symptoms;
  • Information about recent overhaul, installation, foundation work or component replacement;
  • Available shaft, coupling, foundation or machinery drawings;
  • Previous alignment reports or measurement results, if available;
  • Photos of the equipment, coupling, foundation and surrounding working area.

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

When is laser alignment required?

Laser alignment is recommended after engine, gearbox, coupling, pump, compressor, or shaft repair or replacement. It is also required when the vessel has abnormal vibration, overheating bearings, coupling damage, repeated seal failures, or premature wear of rotating components.

Yes. AirSea performs laser alignment directly on board the vessel. Our engineers use portable equipment and can work in ports, shipyards, at anchorage, and in other operating conditions where safe access is available.

We align main engines, auxiliary engines, gearboxes, shaft lines, pumps, compressors, generators, and other rotating machinery. The final scope depends on the vessel layout, access, machinery condition, and technical requirements.

Yes. After inspection and alignment, we can provide measurement data and a service report describing the performed work, findings, and recommendations for further operation or repair.

The duration depends on the machinery type, access conditions, required corrections, and whether additional mechanical work is needed. Simple checks can often be completed quickly, while full alignment with corrective work may require more time.

Need precise alignment before departure?

Incorrect alignment can lead to vibration, bearing damage, coupling wear, seal failure, and unplanned downtime. AirSea provides professional laser alignment of marine engines, shafts, and rotating machinery worldwide.

 

Send us your vessel details, machinery information, and preferred service date — our team will review the request and respond shortly.

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.