Building and maintenance of supervision and survey boats

Supervision and survey boats that play multipurpose activities such as supervision of harbor construction works, disaster preventive operations and port surveying actions are deployed at each port within the area. The office pays the effort to improve functions and safety features of such supervision and survey boats as well as construction of the new one in order that they can perform such multiple tasks reliably in safety.

CHITOSE

Belonging port	Niigata port
Navigation area	Coast (limited area)
Gross tonnage	37.73tons
Total length	16.00m
Width	4.18m
Depth	2.19m
Main engine output	265kW×2
Date of construction	1982.3.30

ASAHI

Belonging port	Niigata port
Navigation area	Coast (limited area)
Gross tonnage	22tons
Total length	17.00m
Width	4.20m
Depth	2.10m
Main engine output	331kW×2
Date of construction	1987.12.9

KOMAKUSA

Belonging port	Fushiki-Toyama port
Navigation area	Coast (limited area)
Gross tonnage	40.38tons
Total length	17.00m
Width	4.28m
Depth	2.17m
Main engine output	265kW×2
Date of construction	1980.3.25

NAGOKAZE

Belonging port	Fushiki-Toyama port
Navigation area	Coast (limited area)
Gross tonnage	19tons
Total length	16.20m
Width	4.20m
Depth	2.10m
Main engine output	368kW×2
Date of construction	1991.3.29

KOUSYU

Belonging port	Nanao port
Navigation area	Coast (limited area)
Gross tonnage	42.02 tons
Total length	17.00m
Width	4.27m
Depth	2.20m
Main engine output	221kW×2
Date of construction	1981.3.25

WAKANA

Belonging port	Wajima port
Navigation area	Coast (limited area)
Gross tonnage	19 tons
Total length	17.20m
Width	4.29m
Depth	2.05m
Main engine output	309kW×2
Date of construction	1995.3.24

MATSUKAZE

Belonging port	Tsuruga port
Navigation area	Coast (limited area)
Gross tonnage	23 tons
Total length	17.00m
Width	4.28m
Depth	2.19m
Main engine output	334kW×2
Date of construction	1994.3.24

NAOKAZE

Belonging port	Naoetsu port
Navigation area	Coast (limited area)
Gross tonnage	17 tons
Total length	15.73m
Width	4.10m
Depth	2.02m
Main engine output	264.8kW×2
Date of construction	1982.3.27