Tom Ainsley Managing Marine Engineer

Tom Ainsley

BEng (Hons), LLM, IEng, MIMarEST

Managing Marine Engineer

+44 7469 150801


Tom Ainsley is an Incorporated Marine Engineer with a First-Class Certificate of Competency (Motor).  Additional qualifications include a Bachelor of Engineering Degree (with Honours) in Marine Engineering and Management and a Master of Laws in Maritime Law (with distinction). Tom joined Brookes Bell in 2017. 

As well as dealing with commercial ships, Tom has also been appointed on several Superyacht cases involving main and auxiliary engine failure investigations, fuel contamination cases, hull damage surveys, fire investigation and new-build disputes.

Tom has prepared technical reports and has given evidence as an expert witness at arbitration in the UK.

Prior to joining Brookes Bell, Tom was at sea for ten years serving on commercial ships as well as Superyachts serving in all ranks up to Second Engineer.  He has considerable experience in the operation and maintenance of medium and high-speed diesel engines, Dynamic Positioning (DP) system maintenance, High Voltage (HV) diesel-electric systems as well as geared and clutched power transmission systems.  During his time at sea Tom has attended numerous dry-dockings, Failure Model and Effects Analysis (FMEA) trials and DP trials.

Tom also holds an MCA Yachtmaster Offshore Certificate of Competence.

Professional Qualifications

Class One Certificate of Competency (Unlimited) Motor

High Voltage Management

Professional associations

Incorporated Engineer

Member of the Institute of Marine Engineering Science and Technology

Academic qualifications 

BEng (Hons) Marine Engineering and Management

Masters in Maritime Law (LLM) with distinction

Surveying and Consultancy Experience

  • Bow-doors and visor hydraulic systems.

  • FMEA testing of DP systems.

  • Gearboxes and clutched transmissions; pneumatic and hydraulic.

  • DP control and thruster maintenance.

  • Azimuth thruster maintenance.

  • Vibration analysis.

  • Crane damage and wire failure investigation.

  • Engine failure analysis.

  • Turbocharger failure.

  • Damage to reefer cargoes.

  • Newbuild/warranty disputes (Commercial vessels and Superyachts).

  • Damage repair estimation.

Types of main and auxiliary engines

  • Rolls Royce

  • Caterpillar

  • Sulzer

  • Deutz

  • MAN

  • Wärtsilä

  • Mitsubishi

  • SEMT Pielstick