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23

Mizzenmast

MAIN DECK | AFT

00:00 / 00:24
The third and last mast from the bow of the ship is called the mizzenmast. The mizzenmast is used to load cargo into both No. 4 and No. 5 Cargo Holds.

The corresponding booms have a maximum lifting capacity of 25 tons. The mizzenmast is of a smaller capacity than those used to handle cargo at the forward holds.




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Back in the days of sail, as many as seven masts were used. On a seven-masted fore-and- aft schooner, the masts were named from bow to stern: foremast, main mast, mizzenmast, jiggermast, driver mast, pusher mast, and spanker mast.

Explore this Station's Gallery

Just aft of the Mizzenmast is the last of the ship’s cargo holds, No. 5 Cargo Hatch and Hold.

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Help us to create a better experience for our visitors by providing feedback about your tour experience today. Thank you for visiting the SS Jeremiah O'Brien!

S.S. Jeremiah O'Brien

National Liberty Ship Memorial

Pier 35

1454 The Embarcadero

San Francisco, CA 94133

COPYRIGHT 2025. ALL RIGHTS RESERVED

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