In 2015 Offshore Spars delivered two new booms for this classic Swan Ketch. She will be equipped with a new style boom which will be a hybrid between a traditional Park Avenue and a more modern V boom. The hull shape will be that of the Park Avenue boom with a curved bottom and nicely flared sides. However instead of the conventional closed top of the Park Avenue these booms will have an internal floor. This will allow for more storage space for the mainsail when flaked. An image of the outboard end can be seen below.
More information on the boat can be found on the blog for Tigris. http://swan76.blogspot.com/