Knowing the exact quantity of cargo loaded or discharged from a vessel is essential for fair trading, contract compliance, and dispute prevention. Inaccurate measurements can lead to financial losses and operational disagreements. Altitude Malaysia provides professional draft survey of ship services to deliver precise cargo weight calculations across Malaysian ports.
Using proven methods based on Archimedes’ principle and calibrated equipment, our experienced surveyors ensure accurate and impartial results. We work on behalf of ship owners, charterers, shippers, consignees, and underwriters, offering reliable data that supports smooth cargo operations and trusted reporting.





A draft survey is a marine measurement technique used to determine cargo weight by calculating changes in a vessel’s displacement before and after loading or discharge. At Altitude, our surveyors conduct detailed measurements and calculations to provide accurate cargo quantity figures.
This service is essential for parties involved in bulk cargo trading and shipping operations who require transparent and reliable weight verification. By delivering independent and precise results, we help prevent disputes, ensure contract compliance, and support efficient maritime operations.
Record vessel drafts and key particulars before operations
Observe loading or discharge activities
Take post-operation draft readings
Apply displacement calculations for accurate results
Provide a clear and comprehensive survey report
It is used to calculate the weight of cargo loaded or discharged by measuring changes in the ship’s displacement.
Ship owners, charterers, shippers, consignees, and cargo underwriters commonly request this service.
We use calibrated equipment and experienced surveyors to achieve highly accurate and reliable results.
Yes, we conduct draft surveys across major Malaysian ports and terminals.
Absolutely. Each survey includes a detailed and professional report for records and commercial use.