This was the 1946-47 season of the Pacific Coast Hockey League. It was the third season of the league. The Fresno Falcons and the Tacoma Rockets were admitted to the league. On February 4, 1947, a train carrying the San Francisco Shamrocks home from a game in Fresno crashed into a tanker truck. Four people were kileed and more than 90 others were injured. Five members of the Shamrocks were injured and were out for the rest of the season. Each of the other five teams in the Southern Division contributed a player to the Shamrocks as compensation.