Electronic Navigational Charts (ENC) | Japan Hydrographic Association

ENCs Improve Safety and Efficiency of Navigation.

Function

With ECDIS (Electronic Chart Display and Information System) or some of specially designed PC software, ENCs enable you to:

Perform Precise and Continuous Route Monitoring;
Be Alerted to Potential Dangers on your Course;
Route Planning, Route Recording Functions;
Variety of Display Selections to Choose from Automatic Loading of ENCs, Scale-Up/Down Function, North-Up or Course-Up Display; and
Display RADAR and ARPA Images with Chart Information.

System Requirement

Before entering contract for use of ENCs, you have to arrange computer-based system or software. ECDIS (Electronic Chart Display and Information System) is most popular system which is designed in conformity with IMO standard A.817(19) to fit for use on ship bridge. There are many other systems or softwares which can be used for ENCs, conforming with IHO S-57 and S-63 standards.

Media

ENCs are the chart information stored on CD-ROMs, compiled and produced in conformity with IHO Standard S-57, and encrypted in conformity with IHO Standard S-63.

Electronic Navigational Chart
contains base data of the chart

Electronic Notice to Mariners
contains updates for the base data

CELL-PERMIT
contains keys to decrypt the encrypted base data or encrypted update data

How to get ENCs

Procedure

The System for Procurement

Application

How to apply for use of ENC

ENC application Form for new license (PDF)、 (Excel)
ENC application Form for renewal (PDF)、 (Excel)
ENC application Form for additional (PDF)、 (Excel)

Cell Selection Sheet for Japanese ENC (PDF)、 (Excel)

Software for selection of ENC cells (CellSelect)

Catalogue

You can purchase from us, not only Japanese ENC but Malacca and Singapore Straits ENC.

	Japanese ENC	Malacca and Singapore Straits ENC
producer	Hydrographic and Oceanographic Department, Japan Coast Guard	PUSHIDROSAL(Indonesia), National Hydrographic Centre(Malaysia), MPA(Singapore)
producer code	JP	MS
number of the cells	independent 798 cells	6 cells
Overview	30 cells (pdf) *	-
General Navigation	38 cells (pdf) *	-
Coastal Navigation	154 cells (pdf) *	3 cells
Approach	174 cells (pdf) *	3 cells
Harbour	402 cells (pdf) *
Berthing	-	-

Price

(tax excluded)

	Japanese ENC	Malacca and Singapore Straits ENC
3 months	300 yen per cell	1,100 yen per cell 5,700 yen for all 6 cells
6 months	400 yen per cell	1,600 yen per cell 9,600 yen for all 6 cells
9 months	500 yen per cell	2,400 yen per cell 14,400 yen for all 6 cells
12 months	550 yen per cell	3,200 yen per cell 18,000 yen for all 6 cells
discount price for contract renewal	(no discount)	(no discount)

Update ENCs

You can update your ENCs with weekly Electronic Notices to Mariners which can be downloaded freely from our website "ENC Support", or if you want it on a CD-ROM media, we post to you the CD at a price of 600 yen/CD (postage and tax excluded).

"ENC Support" for users of ENCs to download updates (ENC users only)
How to Use "ENC Support" (PDF)

Guidebook

"Facts about electronic charts and carriage requirements"

Edition 1.1.0, January 2018
Published by the International Hydrographic Organization MONACO

S-66 Facts about Electronic Charts and Carriage Requirements