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Name of ship as recorded on the record
Ship name
Boston Maru ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
The process of transferring a vessel to water, but not necessarily her completion.
Launch Date
14/09/1919 ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Unique identifier for a given ship, it is assigned by a builder.
Yard no
13 ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Broad categories and subdivisions of vessels related to their purpose or function.
Ship type
undefined ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Screw Steamer ( Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo regarding Classification for Boston Maru, 15th June 1939 1939 )
Predominant material(s) utilised in a vessel’s construction.
Material of construction
Steel ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Confirmation as to whether the vessel was equipped with refrigeration machinery to aid in the transport of frozen or chilled cargo/goods.
Refrigeration machinery fitted for cargo purposes?
No ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Does the vessel possess an auxiliary power source?
Auxillary
No ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Is electric lighting fitted to the vessel?
Electric light fitted?
No ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
A vessel’s calculated maximum speed.
Speed (knots)
1919 ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919 )
1938 ( Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938 )
1939 ( Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939 )
ated ( Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Location where a vessel’s survey was undertaken.
Location of Survey
Yokohama ( Certificate of Survey for Boston Maru, 17th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919 )
Tsurumi; Yokohama ( Steel Steamer Report for Boston Maru, 19th October 1919 1919 )
Tokyo; Yokohama ( Report on Machinery for Boston Maru, 3rd October 1919 1919 )
Yokohama Japan ( Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919 )
London ( Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date )
Kobe ( Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938 )
Yokohama; Philadelphia ( Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Abbreviations of the names of ports with Lloyd’s Register survey offices.
Port of survey abbreviations
Yka ( Steel Steamer Report for Boston Maru, 19th October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919 )
Lon ( Report of Survey for Repairs, &c for Boston Maru, Undated no date )
The individual and/or organisation listed
Ship owner
Kokusai Kisen Kaisha ( Steel Steamer Report for Boston Maru, 19th October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Ishihara Sangyo K K ( Memo regarding Classification for Boston Maru, 15th June 1939 1939 )
Ishihara Sangyo Kaiun Kaisha Ltd ( Report of Survey for Repairs, &c for Boston Maru, Undated no date )
Classification symbol assigned to a vessel by Lloyd’s Register’s Classing Committee denoting the quality of construction and maintenance.
Classification
+100A1; A & CP; +LMC 10,19; FD ( Steel Steamer Report for Boston Maru, 19th October 1919 1919 )
+LMC 10,19; FD ( Report on Machinery for Boston Maru, 3rd October 1919 1919 )
Withdraw Class & Insert . . . ( Report of Survey for Repairs, &c for Boston Maru, Undated no date )
+100A1 Contemplated ( Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
A ship’s total internal volume in ‘register tons’ (replaced by gross tonnage post 1982).
Gross Register Tonnage
5438 ( Steel Steamer Report for Boston Maru, 19th October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
5477 ( Memo regarding Classification for Boston Maru, 15th June 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date )
Location of construction for a vessel’s engines.
Location of engine build
Tokyo ( Report on Machinery for Boston Maru, 3rd October 1919 1919 )
The port in which a vessel is registered or permanently based.
Port of registry
Yokohama ( Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
The year in which a vessel’s construction is completed.
Year of ship completion
1919 ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
The individual and/or organisation listed as having been responsible for constructing the vessel. This can/may be the same as the owner and/or manager.
Shipbuilder
Asano Shipbuilding Co ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
The port or place in which the vessel’s construction took place, at the time of writing.
Place of build
Tsurumi ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
A vessel’s means of propulsion.
Propulsion
Steam ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
undefined ( Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date )
Is the steamer assisted by sail?
Sail assisted steamer
No ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Is machinery fitted at the aft of the vessel?
Machinery aft?
No ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Generally a smaller additional auxiliary boiler (often used while the vessel is at port).
Is a donkey boiler fitted?
No ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Name of the Proving House responsible for the public testing and certification of a vessel’s anchors and/or chain cables.
Lloyd's Proving House?
No ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919, Copy of Letter from Secretary, to The Surveyors, Yokohama, regarding Boston Maru, 26th April 1920 1920, Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938, Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939, Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Draft
1919 ( Remarks of the Chief Ship Surveyor to the Classing Committee regarding class of Boston Maru, 2nd December 1919 1919, Certificate of Survey for Boston Maru, 17th October 1919 1919, Steel Steamer Report for Boston Maru, 19th October 1919 1919, Certificate of Machinery for Boston Maru, 2nd October 1919 1919, Report on Machinery for Boston Maru, 3rd October 1919 1919, Memo about the Freeboard Report for Boston Maru, 1st December 1919 1919, Freeboard - Application for Certificate of Approval of the Position of Load-line Disc for Boston Maru, 17th September 1919 1919, Profile Deck & Watertight Bulkhead Plans for Boston Maru, 6th October 1919 1919, Half Midship Section Plan for Boston Maru, 6th October 1919 1919 )
1938 ( Copy of Letter from H Jasper Cox, regarding Boston Maru, 15th December 1938 1938, Copy of Translation of Letter from S Kohaze, regarding Boston Maru, 26th November 1938 1938 )
1939 ( Copy of Letter from Pro Secretary, to Ishihara Sangyo K K, Kobe, Japan, regarding Boston Maru, 15th June 1939 1939, Memo regarding Classification for Boston Maru, 15th June 1939 1939, Copy of Letter from Clerk to the Classification Committee, to Ishihara Sangyo K K Ltd, Kobe, Japan, regarding Boston Maru, 19th January 1939 1939, Memo to the Chief Ship Surveyor & Chief Engineer Surveyor regarding Boston Maru, 11th January 1939 1939 )
0000 ( Report of Survey for Repairs, &c for Boston Maru, Undated no date, Freeboard & Draught Document for Boston Maru, Undated no date, Report of Surveys for Freeboard-Steam Ships for Boston Maru, Undated no date )
Previously referred to as signal letters (c.19th C), radio call signs enable a ship to communicate and are assigned by the International Telecommunications Union (ITU).
Signal letter/Call sign
RTJC ( Steel Steamer Report for Boston Maru, 19th October 1919 1919 )
The listed port to which a given vessel belongs.
An officially licensed mariner (post 1850) holding ultimate command and responsibility for a vessel.
Master
M Araki ( Steel Steamer Report for Boston Maru, 19th October 1919 1919 )
Physical arrangement of a ship’s masts, sails and rigging.
Rig
Sr - Schooner ( Steel Steamer Report for Boston Maru, 19th October 1919 1919 )
Type and configuration of the engine(s) supplied for a vessel.
Engine type
Triple Expansion ( Report on Machinery for Boston Maru, 3rd October 1919 1919 )
Date in which construction of a vessel’s engines were completed.
Year of engine build
1919 ( Report on Machinery for Boston Maru, 3rd October 1919 1919 )
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