It is not mandatory to have a local competent seafarer onboard in order to navigate in Greenland waters.
Vessels operating in the national park must have special permission.
The Government of Greenland is responsible for granting this permission. For further information see the following statutory orders :
Executive Order on the National Park
Executive Order on Access to and Conditions for Travelling in Certain Parts of Greenland
Cover Letter Applicable for Expeditions in Greenland
Precautions in using navigational charts in Greenland waters
Rosendahls-Schultz Grafisk A/S
Danish Nautical Chart Index
Greenlandic Chart Index
Faroese Chart Index