Pacific

Pacific - Juan de Fuca Strait

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 Juan de Fuca Strait, 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 came into effect at 00:00 hours Coordinated Universal Time (UTC), on 15 December, 2011.

The following represents the ENCs that are affected by this project:

Revised Coastal and General ENCs

Bands 2 and 3
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 Juan de Fuca Strait 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CA370141 CHS Juan de Fuca Strait, Eastern Portion/Partie Est - 80,000 To be withdrawn
CA370144 CHS Juan de Fuca Strait - 110,000 To be withdrawn
ENC-USCHC Usage Band 2, Original. Details above

Original

ENC-USCHC Usage Band 2, Revised. Details above

Revised

ENC-USCHC Usage Band 3, Original. Details above

Original

ENC-USCHC Usage Band 3, Revised. Details above

Revised

Revised Approach and Harbor ENCs

Bands 4 and 5
Cell Name Producing
Authority
Title Band Scale Distribution
US4WA34M NOAA Juan de Fuca Strait - 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 20,000 Canada
CA570101 CHS Sooke Inlet to/à Parry Bay 5 10,000 Canada
CA570214 CHS Approaches to/Approches à Oak Bay 5 5,000 Canada
ENC-USCHC Usage Band 4, Original. Details above

Original

ENC-USCHC Usage Band 4, Revised. Details above

Revised

ENC-USCHC Usage Band 5, Original. Details above

Original

ENC-USCHC Usage Band 5, Revised. Details above

Revised

Pacific - Dixon Entrance

To comply with internationally agreed practices, Canada and the United States of America have agreed to eliminate overlapping coverage of Electronic Navigation Charts (ENCs). 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 to Dixon Entrance, Portland Canal coverage came into effect 0000 Coordinated Universal Time (UTC), on 26 July, 2012.

The following represents the ENCs that are affected by this project:

Revised Coastal and General ENCs

No changes are proposed for Band 1

Band 1
Cell Name Producing
Authority
Title Band Scale Distribution
US1WC01M NOAA North Pacific Ocean West Coast Of North America, Mexican Border To Dixon Entrance 1 3,500,000 U.S.
Bands 2 and 3
Cell Name Producing
Authority
Title Band Scale Distribution
US2AK30M NOAA Dixon Entrance to Cape St. Elias 2 969,756 U.S.
CA270388 CHS Juan de Fuca Strait to/à Dixon Entrance 2 1,250,000 Canada
CA270390 CHS Queen Charlotte Sound to/à Dixon Entrance 2 525,000 Canada
US3AK40M NOAA Dixon Entrance to Chatham Straight 3 229,376 U.S.
US3AK42M NOAA Hecate Strait to Etolin Island, including Behm and Portland Canals 3 229,376 U.S.
US3AK4RM NOAA Hecate Strait to Etolin Island, including Behm and Portland Canals 3 229,376 U.S.
CA370190 CHS Dixon Entrance (Western/Partie ouest) 3 200,000 Canada
CA370191 CHS Dixon Entrance (Eastern/Partie est) 3 200,000 Canada
CA370518 CHS Portland Canal and/et Observatory Inlet 3 80,000 Canada

For bands 2 and 3 it was agreed to cut at mutually agreed upon chart limit, with the exception of the eastern edge of the ENCs where the United States would cut back its band 3 coverage to accommodate Canada's band 3 coverage of Dundas and Zayas Islands.

ENC-USCHC Usage Band 2-Current, Original. Details above

Original

ENC-USCHC Usage Band 2, Revised. Details above

Revised

ENC-USCHC Usage Band 3-Current, Original. Details above

Original

ENC-USCHC Usage Band 3, Revised. Details above

Revised

Revised Approach and Harbor ENCs

Bands 4 and 5
Cell Name Producing
Authority
Title Band Scale Distribution
US4AK49M NOAA Revillagigedo Channel 4 80,000 U.S.
US4AK4SM NOAA Revillagigedo Channel, Ryus Bay, Foggy Bay 4 80,000 U.S.
US4AK46M NOAA to be withdrawn 4 80,000 to be withdrawn
US4AK48M NOAA to be withdrawn 4 80,000 to be withdrawn
CA470363 CHS Approaches to Portland Inlet (Western Portion, Part 1 of 2)/Approches de Portland Inlet (partie Ouest, section 1/2) 4 40,000 Canada
CA470364 CHS Approaches to Portland Inlet (Eastern Portion, Part 2 of 2)/Approches de Portland Inlet (partie Est, section 2/2) 4 40,000 Canada
CA470269 CHS Nass Bay 4 40,000 Canada
CA570080 CHS Stewart 5 12,000 Canada
CA470523 CHS Portland Inlet, Khutzeymateen Inlet and/et Pearse Canal 4 40,000 Canada

The United States will turn over ENC charting responsibility for the Portland Canal to Canada. Therefore the United States will cut back US4AK4SM to the bounds of CA470363 and cancel US4AK46M and US4AK48M.

ENC-USCHC Usage Band 4-Current, Original. Details above

Original

ENC-USCHC Usage Band 3, Revised. Details above

Revised

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