Sheldrake
Products

Maintenance spreadsheets
Customised maintenance spreadsheet for your boat Overall equipment register ,
Overall at a glance master sheet
Fed by, a Daily,Weekly page
Monthly page
Annual page
Engine maintenance
Generator  maintenance
Battery banks (lead acid)
Non scheduled maintenance and replacement
To do list
Boat schedule
Developed by Bently,Scott and Bremner
Designed and tested in the field by real mariners and yachtsmen/women, The maintenance schedule is used by more than a dozen Oysters ranging from 72' to 46'. plans are in hand to put this online,  (currently Google still can't handle a file this size)

Log Book

Designed to use in an Excel spreadsheet format, print your own extra pages
Change your own headers to suit
Complete with check lists
Garbage disposal plan
Watch keeeping schedules
Passage/race log
Day log,
Engineering  log
Accounts cash sheet
Weather plotting page  (western Atlantic, eastern Atlantic)
Factors and conversions page

Load survey spreadsheet

Full spreadsheet to calculate cargo, displacement of commecial vessels, adopted direct from Lloyds survey, used by Upper Canada Steamship, Algoma shipping,and Federal shipping

Drawings and Diagrams

 Customised drawings of your boat
Available in Corel drawing or PDF format
Wiring diagrams
Equipment layout
Stowage plans