At HydroSurvey Australia, we have a dedicated team of highly experienced experts in hydrographic survey and tides.

Peter Hanson

Survey Manager

Peter has led HydroSurvey Australia since 2002 and oversees a team of five experts in hydrography working across hydrographic surveys and tides data projects.

With over forty years of experience in surveying, project management and business planning, Peter began his career in land surveying with the South Australian Highways Department in 1975 before signing his ‘articles of indenture’ with a private surveying firm in Western Australia and managing that company’s Pilbara office for a year. He transferred over to hydrographic surveying joining the South Australian Department of Marine & Harbors in 1987, before joining Flinders Ports and becoming Survey Manager at HydroSurvey.

Peter has a Certificate in Surveying with Endorsements, is a Registered Conveyancer and is qualified as a Lead Auditor in Quality Assurance. He also holds an Executive Diploma in Business Planning.

If you have a coastal, offshore or inland waterway project that requires hydrographic survey or tide data, contact Peter today.

Peter Woolfall

Chief Hydrographic Surveyor

Peter has over thirty-five years of experience in hydrographic surveying. Throughout his career he has worked on various hydrographic, engineering, cadastral and topographic surveys.

He possesses broad knowledge in project planning and management, research and development of survey systems, field techniques and data processing.

Peter has a Certificate in Surveying and is a Level 1 Accredited Hydrographic Surveyor. He holds a Coxswain Master Class 5 and Marine Engine Driver 2 marine qualifications. He is a foundation member of the Surveying and Spatial Sciences Institute (Hydrography Commission) and a member of the Australasian Hydrographic Society.

Greg Pearce

Hydrographic Surveyor & Tides Officer

Greg possesses a wide range of experience in hydrographic, topographic, engineering, geodetic and cadastral surveying. He commenced his career with the South Australian Department of Lands in 1977 and later worked for the Department for Environment before joining Ports Corp South Australia in 1996. Greg supports HydroSurvey Australia in conducting field surveys, and provides expertise in managing tide systems, network and tidal data.

Greg has a Certificate in Surveying, is a Level 2 Accredited Hydrographic Surveyor and also possesses diving and coxswain qualifications. He is a foundation member of the Surveying and Spatial Sciences Institute (Hydrography Commission) and a member of the Australasian Hydrographic Society.

Greg represents South Australia on the Permanent Committee on Tides and Mean Sea Level.

Adrian Drabsch

Technical Officer (Drafting)

Adrian has forty years experience in hydrographic surveying and currently provides support services for post survey processing, engineering design, maritime information and survey fieldwork.

He is responsible for providing technical support to HydroSurvey Australia by providing design and drafting services including the maintenance, management, integration and dissemination of spatial, aspatial and digital data.

Adrian possesses a Certificate in Surveying, with Endorsements in Drafting Graphics and Computer Aided Drafting.

Kevin Hawken

Launch Master & Survey Assistant

Kevin Hawken joined HydroSurvey Australia as Launch Master and Survey Assistant in May 2014. Kevin holds a Master Class IV, Marine Engine Driver II as well as a Certificate III in Spatial Information Systems and has over 15 years experience in the marine sector.

Before joining HydroSurvey Australia, Kevin worked in the Marine Services Mooring and Pilot Launch teams at Flinders Ports and as Chief Mate on offshore patrol vessels for Australian Customs Service.  He has also worked as a Senior Fisheries Officer at PIRSA.



Paul Frost

Survey Technician

Paul has a trade background in carpentry, joinery and cabinet making. He owned his own business before returning to studies. He currently undertakes engineering, infrastructure and topographic surveying and provides surveying support to HydroSurvey Australia.

Paul has a Certificate III in Spatial Information Systems, a Certificate IV in Surveying and a Diploma in Surveying. He also holds a Coxswain Certificate and MED3 qualifications.