Not repaired as of yet and will most likely be wood. 

I also tried to look at the mast break and thought it was quite unusual.  It looked like there was an internal sleeve/stiffener that ended right at the break; thus maybe the unusual the appearance.  And the outer material looked more like a composite than aluminum, although watching the crew move the upper section around on deck it looked heavy.  

e 

Finding the right scantlings for unstayed mast(s) in a multihull is difficult. If the masts of Apatiki are 164mm aluminium, their yield strength is probably less than 2500kpm, which is just a fraction of the cat's righting moment.

I notice on the (great!) video that the mast seems to have broken off quite cleanly, which may indicate material fatigue. My un-educated armchair hunch is that the jerky motion of a cat will “work” more on the mast, to give it a shorter life, if  it is made of aluminium.

In comparison, the diameter of the hollow wooden masts of Bertrand Fercot’s Tiki 46 is 30cm, so should have a bending strength of at least 10.000kpm. Even these masts can probably be sailed overboard before lifting a hull, so I bet Bertrand has settled on a sensible practice to stay out of trouble. Has he written about that anywhere?

Arne

I'm no expert on sizing masts, but 164mm for a 50 sq m sail seems a bit light on: I'm using 152 for a 35 sq m sail and the stresses on my mast are probably less than they would be on a big cat.  As you say: a good looking boat.  I hope they can sort it out.

Won't you include a link to the You Tube video you were watching, please.  I ended up with a private video (eek!) and then pop music, after which I gave up.