Add the following as a sub-rule to the rule entitled Trails, titled Nomenclature:

Some stations form unusual trails. These are listed in this rule.

* Heathrow stations: When a player’s piece lands on Heathrow Terminals 1, 2, 3, Heathrow Terminal 4 or Heathrow Terminal 5, they add H# to their trail, where # is the number in the station name (i.e. a piece on Heathrow Terminal 4 would add H4 to their trail). # is always 1 in the case of Heathrow Terminals 1, 2, 3.

Add the following to the list of trail combinations in the rule entitled Trails:

H#. This is referred to as the “slingshot” combination. The player who possesses at least two iterations of the slingshot combination may use two or more of them to immediately undertake a number of daily actions, as specified in the rule entitled Movement, equal to the number of slingshot combinations used.