Mast (sailing) single pieces of timber, which were known as pole masts. For square-sail carrying ship, the masts, given their standard names in bow to stern (front to back) order, are: Some names given to masts in ships carrying other types of rig (where the naming is less standardised) are: Most types of vessels with two masts are supposed to have a main-mast and a smaller mizzen-mast, although both brigs and two-masted schooners carry a fore-mast and a main-mast instead. On a two-masted vessel with the main-mast forward and a much smaller second mast, such as a ketch, or particularly a yawl,
Norda steel keel is added under the wooden keel, to provide more counterweight in order to add higher masts and more sail. Its sail plan is wishbone ketch. Norda Norda is a wooden sailing vessel that was commissioned in 1928, originally used as a research vessel in Poland. It served as research vessel, fishing vessel and is now a yacht. The vessel was commissioned in 1928 by MIR (Polish Fishing Institute). It was built in 1928 to order of in the Andersen Shipyard in Frederikssunde, Denmark. It was christened "Ewa", inspired by the names of daughters of both Professor Michał Siedlecki