Hydrographic Survey Wing is a specialist Survey & Investigation Organization. The Wing is constituted as a component of Kerala Port Department with a view to cater the requirements of Hydrographic Investigations for the development of Minor and Intermediate Ports of the Maritime State of Kerala. This Wing conducts Pre-Dredging and Post-Dredging Surveys and Pre-Monsoon and Post-Monsoon surveys for the developmental activities in the maritime sector and to ascertain various aspects of dredging such as requirements of dredging, the quantity to be dredged etc.

The Chief Hydrographer is the Head of the Wing and head quartered at Thiruvananthapuram.

     
There are two range offices each at Beypore and Kollam to look after the survey work of Northern and Southern regions respectively and an Additional Unit at Neendakara.