Unlocking Northwest Sea Passage

The Northwest Sea Passage port permit is unlocked by charting (Mercator's requests). It's one of the possible sea routes to the far east (and Nanban).

Requirements

• You should have obtained all of the fame based port permits:
  
  • Northern Europe
  • North Atlantic Ocean
  • West Mediterranean
  • East Mediterranean
  • West Africa
  • South Atlantic Ocean
  • East Africa
  • Red Sea
  • Indian Ocean
  • Caribbean Ocean
  and...
  

  • East Coast of Latin America Port Permit, 
  • Southeast Asia Port Permit
  • Oceania Port Permit
  • East Asia Port Permit
• Complete charting of Greenland sea regions.
• Complete charting of West Coast of North America sea regions.

Where to start

Mercator in Amsterdam

Instructions

1. Talk to Mercator to start the Northwest Sea Passage storyline.
2. He will give a set of Sea regions to chart.
3. Complete those regions and return to Mercator. He will give more regions.
4. Rinse and repeat until all sea regions up to alaska are completed:

Tips

• Bring enough lumber for repairs or MCCTs / LCCTs.
• Don't use clermonts for alts (or lead ship) unless you have coal or high wave resistance. WR11 (Storm proof) is not enough.
• Supply ports at Churchhill (12337,1968) and Barrow (9301,1059).

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