Between the Princess Alice, Princess Louise, and Princess Charlotte, Canadian Pacific had departures from Vancouver to Skagway every three to four days in the summer of 1936. The Charlotte also did two 11-day cruises that differed from ordinary trips (which took only 9 days round trip) by having long stopovers in popular ports such as Ketchikan and Juneau.
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The three steamships were different vintages and had different deckplans. The Charlotte was the oldest, being launched in 1908, but the largest, with 232 berths, which is why it was used for the special cruises. The Alice, which was the smallest with 206 berths, dated to 1911 and Louise, with 210 berths, to 1921.