Navigation Control
Irago Suido Traffic Route is a narrow path with the width of 1,200m and
the length of 3,900m. It is located between Asahi-Sho (reef) to the east
and Maruyama-Dashi and Kozukami-Sho (reef) to the west. The Route is a
gateway to the ports of Nagoya,Yokkaichi, Kinuura and other ports of Central
Japan Economic Zone. The traffic along the route is busy every day, with
cargo vessels, fishing boats, pleasure boats and other various vessels
constantly going in and out.
In order to secure the safe navigation of vessels, the Maritime Traffic
Safety Law was enacted on July 1, 1973 by which Irago Suido Traffic Route
has been included as one of the 11 designated sea traffic routes in Japan.
In accordance with the Law, Ise wan Vessel Traffic Service Center instructs
all the vessels with the total length of 130m or more, and less than 200m,
to wait before the Irago Suido Traffic Route, for huge vessels to pass
through.
1.Definitions
Huge vessels: Vessels of 200m or more in length
Vessels towing or pushing long object (s)
Vessels towing or pushing rafts and other vessels, comprising total length of 200m or more.
2Type of traffic signals and Definition
Traffic Signals
With the following signals, Ise Wan Vessel Traffic Service Center instructs
all the vessels with the total Length of 130m or more and less than 200m
to wait outside The Irago Suido Traffic Route for a huge vessel to pass.
In principle, The waiting signal is lit 15 minutes before the huge vessel
enters the Route till its passing through it, for both north and south
directions.
Traffic Signals
|
|
Signals |
Meaning |
 |
Letter N flashing |
All the vessels with the length of 130m or more and less than 200m going
southeast direction through the Irago Suido Traffic Route should wait outside
the route. |
 |
Letter S flashing |
All the vessels with the length of 130m or more and less than 200m going
northwest direction through the Irago Suido Traffic Route should wait outside
the route. |
 |
Letter N and S flashing alternately |
All the vessels with the length of 130m or more and less than 200m going
through the Irago Suido Traffic Route in any direction should wait outside
the route.
| |
3.Notification to the Traffic Center
(1)Notification of traffic routes
Any huge vessels shown in the following table need notify the Director
of Ise Wan Vessel Traffic Service Center in advance about their entrance
to Irago Suido Traffic Route in the following manner.
Deadline for Notification |
|
Vessels category |
Notification Deadline |
◎Huge vessels |
Noon 12:00 one day before the date of planned entrance to the Route |
◎Vessels carrying dangerous cargo
(all the vessels of 25,000 G/T carrying LNG) |
◎Vessels towing or pushing long object (s) |
◎Vessels length of 130m or more (except for those categorized of huge
vessels) |
◎Vessels carrying dangerous cargo (other than the above)
|
3 hours in advance for planned time of entrance to the Route | |
Note: Vessels indicating a circle (◎) shall have a legal obligation of
making the notification.
Items to be Notified to the Center |
|
@Name of the notifying person |
AName of the vessel and its gross tonnage |
BOverall length |
CMaximum draft depth |
DType of dangerous cargo on board and their respective amounts |
ELength from the tip of the tug boat to the end of the object or the end
of the pusher boat to the tip of the object |
FOutline of the cargo |
GPort of destination |
HName of the route and reporting line |
IDate and time of entering the Route |
JDate and time of leaving the Route |
KCall name or call sign |
LCommunication methods with Japan Coast Guard (if the vessel has no call
name or call sign) |
MName and address of the message conveyer |
NOthers (if a pilot is on board or not, and previous call of port, and others) |
|
Communication Method
@In writing (personal delivery, post mail, or Fax)
In the case of post mail or fax, please confirm the actual time of traffic
control to the Center after transmitting/sending out the notification
Address:2814-38 Koyama, Irago-Cho, Tahara-Shi, Aichi-Ken, 441-3624 Japan
Tel: +81-531-34-2443 (Planning Desk)
Fax: +81-531-34-2444
AVHF Radiotelephone
Call Channel: CH 16 : Call name: Nagoya Coast Guard Radio (Nagoya Hoan)
Communication channel: CH 12
Note: Please call Nagoya Coast Guard Radio and request connection to Ise Wan Vessel Traffic Service Center.
(2)Position Report
Using radar in order to make the sea traffic information as accurate as possible, all the vessels length of 50m or more (except a vessels which is equipped with AIS and is transmiting accurate infomation by AIS), Vessels towing or pushing 100m in the over all length (except a vessels which is equipped with AIS and is transmiting accurate infomation by AIS) need notify the Center when they initially reach the position reporting line.
Items of notification |
|
@Name of the vessel |
APosition reporting lines (in abbreviation) |
BTime of passing the point (in JST) |
COverall length of the vessel |
DPort of destination |
EOthers as required | |
Communication Method |
|
@VHF Radiotelephone |
Call Channel: CH 16,13 : Call name: Ise Wan Martis |
Communication channel: CH 13,14,22 | |
Position Reporting Lines |
|
Name |
Abb. |
Position |
Ise Wan Ko Minami |
IS Line |
A line extending 20.5 km(34-36-39.8N , 137-08-47.14E) east of Ijika Lighthouse(34-26-39.8N
, 136-55-25.2E) |
Ise Wan Ko Higashi |
IE Line |
A line extending 17.5 km(34-36-39.8N , 137-08-47.14E) south of Oyama Triangle Point(34-36-07.46N , 137-08-47.14E) |
Nakayama Suido Higashi |
NE Line |
A line connecting Tatsumasaki Lighthouse and southern end of Sakushima
Is. |
Morosaki Suido Minami |
MS Line |
A line connecting southern end of Sakushima Is. and Cape Hazumisaki |
Ise Wan Ko Kita |
IN Line |
A line extending 11.1 km southeast (217) of the West Lighthouse at the breakwater off the Toyohama Port Sandbank |
Ise Wan Ko Nishi |
IW Line |
A line extending 13.3 km north from the western end of Toshijima Is. |
Sugashima Suido Higashi |
SE Line |
A line connecting eastern end of Sugashima Is. and southeastern end of
Toshijima Is.
|
|

4.Notification of Change
All the vessels are required to make a notice to the Center when entering
into the route ahead of or behind the scheduled time that initially notified
to the Center by 5 minutes or more.
5.Keeping Communication with the Center
(1)All the vessels length of 50m or more should keep on line with the
Center via VHF radio-telephone (CH16) while navigating through the radar
service area of the Ise Wan Vessel Traffic Service Center.
(2)All the vessels with VHF radiotelephone system should closely monitor
the CH 16 while navigating through the Ise Wan Vessel Traffic Service
Center's radar service area, as Center may transmit important traffic information.
In addition, please closely follow the information on CH13 if your vessel
is equipped with it, as the Center might use it when CH16 is congested. |