The American Practical Navigator (colloquially often referred to as Bowditch), originally written by Nathaniel Bowditch, is an encyclopedia of navigation...

the founder of modern maritime navigation; his book The New American Practical Navigator, first published in 1802, is still carried on board every commissioned...

Guard, p. 28, retrieved 2016-05-08 American Practical Navigator – Chapter 8: Piloting American Practical Navigator (complete 2019 edition, Parts I and...

mathematical concept considering forces in equilibrium. The American Practical Navigator, Chapter 9:Tides and Tidal Currents, page 139. Accessed 3 September...

first appeared in early versions (prior to 1900) of Bowditch's American Practical Navigator and other publications written to assist in passage planning...

Adlard Coles. ISBN 0-229-11740-6. Bowditch, Nathaniel (2002). The American Practical Navigator. Bethesda, MD: National Imagery and Mapping Agency. ISBN 0-939837-54-4...

comprehensive Admiralty Manual of Navigation. In the US, Bowditch's American Practical Navigator is a free available encyclopedia of navigation issued by the...

article: The_American_Practical_Navigator Portions of this article originated from the glossary of Bowditch's American Practical Navigator, a document...

large range of values) Bowditch, Nathaniel, LLD; et al. The American Practical Navigator (PDF) (2002 ed.). Washington: National Imagery and Mapping Agency...

international ellipsoid 1924 this equalled 1855.4 metres. The American Practical Navigator 2017 defines the geographical mile as 6,087.08 feet (1,855.342 m)...

sky. Polaris was referenced in Nathaniel Bowditch's 1802 book, American Practical Navigator, where it is listed as one of the navigational stars. The modern...

section 125 of the American Practical Navigator[volume & issue needed], a document produced by the government of the United States of America. Wikisource has...

The American Practical Navigator and the star's entry at the SIMBAD database, a project of the Strasbourg Astronomical Data Center or CDS. Navigators often...

sections 418 and 419 of The American Practical Navigator, a document produced by the government of the United States of America. This article incorporates...

February 2019. Bowditch, Nathaniel (1995). "Glossary C" (PDF). The American Practical Navigator. Bethesda, MD: National Imagery and Mapping Agency. p. 758. ISBN 0-403-09895-5...

scale Cross sea Douglas sea scale Bowditch, Nathaniel (1938), American Practical Navigator, H.O. publication No. 9 (revised ed.), United States Hydrographic...

for Voyage Planning, 1999. "Chapter 4, Nautical Publications". American Practical Navigator. Archived from the original on June 24, 2007. Retrieved March...

sections 402 to 404 of the American Practical Navigator, a document produced by the government of the United States of America and amended by marine analysts...

the mammoth and comprehensive reference work for seamen: The American Practical Navigator. It is an epic tale of adventure and learning. In Revolutionary...

p. 49. ISBN 9781563118487. Bowditch, Nathaniel (2002). The American Practical Navigator. Paradise Cay. p. 112. ISBN 9780939837540. Burchfield, R.W.,...

triangle Citations Bowditch, Nathaniel (1995). "Glossary". The American Practical Navigator (PDF). Vol. 9. Bethesda, Maryland: National Imagery and Mapping...

Henry Raper Bowditch's American Practical Navigator Nathaniel Bowditch Norie, J. W. (1828). New and Complete Epitome of Practical Navigation. London. p...

detached cloud or "g.r.q." for dark, rain and squally. Bowditch's American Practical Navigator CLIWOC Douglas sea scale Enhanced Fujita scale Extratropical...

standard in navigational literature, including Nathaniel Bowditch's American Practical Navigator, which begins Chapter 33, Ice Navigation, with Pytheas. At its...

named after Nathaniel Bowditch, who was from Salem and wrote the American Practical Navigator. Ridership increased every year from 2006 to 2010, when it peaked...

Keith (2000). "Glossary". Boater's Bowditch: The Small Craft American Practical Navigator (2nd ed.). International Marine/Ragged Mountain Press. ISBN 978-0-07-136136-1...

ISBN 978-0-470-40765-3. Retrieved 17 February 2022. Bowditch, Nathaniel. American Practical Navigator, Paradise Cay Publications, 2002, pp.93-94, ISBN 978-0-939837-54-0...

backwards: RAFOS. RAFOS is defined in the 1962 edition of The American Practical Navigator among the hyperbolic navigation systems. The early applications...

bearing Navigation Observatory chronometer The Nautical Almanac American Practical Navigator Webb C. Ball Watchmaker Observatory Chronometer Database (OCD)...

fractional powers. In 1821, Nathaniel Bowditch, described in the American Practical Navigator a "sliding rule" that contained scales trigonometric functions...