Under keel clearance requirements—advisory note 02/08
At all times the following net minimum underkeel clearances must be maintained in the Prince of Wales Channel.
- 1.0 metre for vessels with a draught of less than 11.90 metres.
- 10% of draught for vessels with a draught of 11.90 metres or greater.
At all times the following net minimum underkeel clearance must be maintained in the Gannet and Varzin Passages.
- 1.0 metre for all vessels.
These UKC requirements are to be followed in combination with a maximum draught of 12.20 metres.
Pilots should be guided accordingly.