The original mast extrusion is no longer available. As accidents happen,
people need new masts. Right now, I don't have a good answer for you, but
I hope that this page will collect enough information to help.
Gary Barker (Blarney, #563) reports, "Mast measurements
on my A30 #563 is 34 ft. 4 in. high, not including masthead casting.
Cross section is 3.5 in. x 6 in. Extrusion is 5/32 in. thick."
For recommendations of sources for replacement spars, see
Cruising the Chesapeake: A Gunkholer's Guide
My favorite Chesapeake Bay guidebook. While it mentions marinas, it
concentrates on anchorages—the kind of places I prefer to spend
my time. And in addition to listing shore facilities, it rates each
location for Beauty/Interest and Protection. This is the guide you need
to really cruise the Chesapeake Bay—a smorgasbord of small creeks