The Chief Hydrographer is the Head of the Wing and is headquartered at Thiruvananthapuram. There are two range offices; one each at Beypore and Kollam to look after the survey work of northern and southern region respectively and an additional unit at Neendakara. The range offices are headed by Marine Surveyors and the additional unit by an Assistant Marine Surveyor.

List and Address of Head Office and Offices of this Wing:
 

	Chief Hydrographer (Head of this wing), Hydrographic Survey Wing, Sasthamangalam, Thiruvananthapuram – 695 010, Kerala. Telephone/Fax: 0471 2725123 (Office) 9446539123 (Mobile) E-mail: chhsw@dataone.in
	Marine Surveyor, Hydrographic Survey Wing (Northern Range), Beypore P.O, Kozhikode - 695015, Telephone/Fax No: 0495 2414069
	Marine Surveyor, Hydrographic Survey Wing (Southern Range), Asramom, Kollam-691002, Telephone/Fax No: 0474 2748863
	Assistant Marine Surveyor Hydrographic Survey Wing Neendakara Kollam - 691 582