NAVWARN details

A sounding survey of the Maisonnette Channel in New Brunswick was completed by Public Services and Procurement Canada between August 12 – September 1, 2020. It was compared to Canadian Hydrographic Chart 4913 for Possible Hazards to Navigation.

Shallower depths have been found at the following locations:

Latitude                               Longitude                     CD Depth (m)

47 49 39.85702N                064 55 00.11167W                7.8

47 49 50.45238N                064 55 03.94727W                6.3

47 50 05.81351N                064 55 26.53712W                2.3

Note: ID #3: The 1.8m Maisonnette Ledge “shoal” has migrated 75m SE to a new depth of 2.3m

(There was no 1.8m depths within our 200m x 300m survey over the shoal shown on the chart)

47 50 26.12516N                064 55 00.43018W                5.6

A xyz of the data has been sent to CHS and CCG Waterways Aids to Navigation on 2021-01-29.

Note: All depths are referenced to CHS benchmark 88B9153 (Caraquet)

Elevation +4.294m above chart datum.