Marine Machinery Condition Surveys for recreational and commercial vessels in Airlie Beach, Whitsundays, Mackay, Yeppoon, Bowen and across North and Central Queensland. Based in the heart of the Whitsundays, we provide industry-leading machinery inspections, expert failure analysis, and comprehensive reporting for buyers, owners, insurers, charter operators and vessel managers.

With more than three decades of engineering and maritime experience, Big Sea Marine delivers highly detailed assessments of propulsion and auxiliary systems using a systematic, engineering-driven approach aligned with NSCV standards and manufacturer guidelines.

Why Choose Big Sea Marine?

• Unbiased, independent machinery assessments
• Experienced Marine Engineer, Vessel Master & Accredited Surveyor
• Technical reporting that is clear, accurate and legally defensible
• Fast turnaround for buyers and insurers
• Comprehensive documentation with photos, findings & recommendations
• Servicing Airlie Beach, Whitsundays and wider Queensland regions

Machinery Condition Survey

A full inspection of propulsion and onboard machinery systems including main engines, gearboxes, outboards, drives, shafts, bearings, cooling systems, fuel delivery, exhaust systems, steering and hydraulics. Ideal for vessel owners wanting to understand the true operational state of their machinery.

• Main engine inspection
• Sterndrive & gearbox condition
• Shafts, couplings, bearings & seals
• Fuel, cooling & exhaust systems
• Engine mounts & alignment checks
• Bilge systems & engine room ventilation
• Gensets, alternators, pumps & auxiliary machinery

Pre-purchase Machinery and Hull (Boat Pre-purchase Inspection) 

A complete condition assessment for buyers, integrating machinery inspection with hull and structural observations. This ensures you fully understand the vessel’s mechanical condition prior to committing to a purchase.

• Engine age & condition analysis
• Verification of servicing & operating hours
• Sea trial with RPM/temperature performance
• Compliance considerations for commercial vessels
• Evidence of repairs or hidden defects

Expert Opinion Assessment - Insurance Claim

Our technical engineering assessments provide clarity for owners, insurers and legal representatives needing in-depth analysis of a specific machinery fault or failure.

• Overheating or cooling failures
• Shaft vibration & alignment issues
• Gearbox faults & oil contamination
• Outboard damage or performance issues
• Fuel system contamination analysis
• Propeller cavitation & pitch issues
• Expert witness & insurance dispute support

Insurance Claim and Renewal Survey Inspections

For insurance companies and vessel owners requiring machinery condition validation for renewal, repair verification or damage assessment.

• Damage inspection & root cause evaluation
• Evidence analysis for claim acceptance
• Compliance assessment for surveyed vessels
• Verification of repair quality & scope
• Risk identification & safety recommendations

Regions We Service 

• Airlie Beach (Primary Base)
• Whitsunday Islands – Hamilton, Hayman, Long Island, Daydream
• Shute Harbour & Cannonvale
• Mackay & Mackay Marina
• Bowen & Abbot Point
• Yeppoon & Rosslyn Bay
• Hay Point & Dalrymple Bay

What's Included in a Machinery Condition Report? 

• Executive Summary & Condition Risk Rating
• Full photographic evidence
• Detailed findings & defect commentary
• Maintenance & repair recommendations
• Regulatory considerations (NSCV for commercial vessels)
• Sea trial performance analysis

Book a Machinery Condition Inspection

Whether buying a vessel, preparing for insurance renewal or assessing machinery issues, Big Sea Marine Consultants & Surveyors deliver the professional, independent evaluation your vessel deserves.

📞 0407645893
🌐 www.bigsea.com.au
📧 surveyor@bigsea.com.au