U.S. - Canada ENC Overlap
| To comply with internationally agreed practices, Canada and the United States of America have agreed to eliminate overlapping coverage of Electronic Navigation Charts (ENCs). The first area where these changes will take affect are Strait of Juan de Fuca, Haro Strait and Boundary Pass. This new ENC coverage scheme will result in each country changing their areas of coverage, so that only one country’s ENC would be available for any given area at a particular scale.
These changes come into effect 0000 Coordinated Universal Time (UTC), on 15 December, 2011.
When the revised ENCs are available to the public a Notice to Mariner will be issued.
The following represents the ENCs that are affected by this project: |
Revised Coastal and General ENCs
| Cell Name |
Producing Authority |
Title |
Band |
Scale |
Distribution |
| US2WC12M |
NOAA |
San Francisco to Cape Flattery |
2 |
1,200,000 |
U.S. |
| US3WA01M |
NOAA |
Approaches to Strait of Juan de Fuca Destruction Island to Amphitrite Point |
3 |
176,253 |
U.S. |
| CA370203 |
CHS |
Approaches to/Approches à Juan de Fuca Strait |
3 |
75,000 |
Canada |
| CA370141 |
CHS |
Juan de Fuca Strait, Eastern Portion/Partie Est |
|
80,000 |
To be withdrawn |
| CA370144 |
CHS |
Juan de Fuca Strait |
|
110,000 |
To be withdrawn |
*Note: Mouseover images to see changes to ENC Coverage
Revised Approach and Harbor ENCs
Cell Name |
Producing
Authority |
Title |
Band |
Scale |
Distribution |
US4WA34M |
NOAA |
Strait of Juan de Fuca - Eastern Part |
4 |
80,000 |
U.S. |
US5WA43M |
NOAA |
Haro-Strait-Middle Bank to Stuart Island |
5 |
25,000 |
U.S. |
US5WA44M |
NOAA |
Boundary Pass |
5 |
25,000 |
U.S. |
CA470075 |
CHS |
Race Rocks to/ à D'Arcy Island |
4 |
40,000 |
Canada |
CA570101 |
CHS |
Sooke Inlet to/à Parry Bay |
5 |
20,000 |
Canada |
CA570214 |
CHS |
Approaches to/Approches à Oak Bay |
5 |
10,000 |
Canada |
*Note: Mouseover images to see changes to ENC Coverage
