01225nas a2200205   4500000000100000000000100001008004100002260000800043100002300051700001600074700002000090700001700110700001400127700002100141245009500162300001200257490000700269520072900276022001401005       2021                            d  cjul1 aElgidius Ichumbaki1 aJohn Cooper1 aPhilip Maligisu1 aSinyati Mark1 aLucy Blue1 aThomas Biginagwa00aBuilding a Ngalawa Double-Outrigger Logboat in Bagamoyo, Tanzania: A Craftsman at his Work  a305-3360 v503 aThis article documents master logboat-builder Alalae Mohamed s construction of a ngalawa fishing vessel in Bagamoyo, Tanzania. The ngalawa is an extended logboat with double outrigger and lateen sail used by low-income, artisanal fishers. It is the most common marine vessel type of the East African coast. This article follows the construction process from Alalae s selection and the felling of the tree(s) to the launching of the vessel. It outlines the tools and materials used, details the sequence he followed, and presents his choices and considerations made along the way. It is accompanied by a documentary film recording the construction process, a 3D digital model of the vessel and detailed construction drawings.  a1057-2414