 They reached England in October 1820 having lost only one man.Parry's voyage, which had taken him through the Parry Channel three quarters of the way across the Canadian Arctic Archipelago was probably the single most productive voyage in the quest for the Northwest Passage.Luck was on their side; 1819 was unusually ice-free and no ship was able to travel so far west until Edward Belcher's expedition in 1850.