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Volume 45 - September 1992

Contents

Page 3 of 4

Forum

  • Assuring Punctual Arrival and Comcomitant Economy of Fuel

  • T. Fales
  • Published online by Cambridge University Press:
    21 October 2009, pp. 134-135
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Index

Research Article

  • Quantitative Determination of Port VTMS Levels

  • Qiu Zhixiong
  • Published online by Cambridge University Press:
    21 October 2009, pp. 285-291

  • In this paper, a quantitative study is made of the determination of the level of a vessel traffic management system (VTMS) in a port. Also established is a mathematical model, which conforms to the actual situation in Chinese ports and which takes account of the ideas contributed by experts in relevant fields. With the help of the model, the port needs for VTMS are evaluated in a comprehensive and objective way, the overall levels of VTMS are determined and their corresponding standards set. A computer simulation verification has proven the effectiveness of the model.

Forum

  • Some Ideas on Calculating Great Circle Sailings

  • Chung-hsing Chiang, An-yuang Tseng
  • Published online by Cambridge University Press:
    21 October 2009, pp. 136-138
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  • The ‘ Two-Body Problem’ At Sea

  • Mike Pepperday
  • Published online by Cambridge University Press:
    21 October 2009, pp. 138-142
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Research Article

  • On Loxodromic Navigation

  • Kitt C. Carlton-Wippern
  • Published online by Cambridge University Press:
    21 October 2009, pp. 292-297

  • This article addresses the mathematical foundations of rhumblines or loxodrome curves. These curves are critical to navigation and small-scale charting by virtue of the fact that they provide an efficient routeing from one point on a surface to another by means of a constant ‘course angle‘. This article will develop the necessary mathematical relations for the construction of such a curve, then apply the relations to both spherical and oblate-spheroidal surfaces. The purpose of this article is to produce a superior oblate-spheroidal loxodrome curve, which better models curves or routes of constant course on the actual, approximately oblatespheroidal, Earth.

Front matter

  • NAV volume 45 issue 3 Cover and Front matter

  • Published online by Cambridge University Press:
    21 October 2009, pp. f1-f2
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Forum

  • ‘The Cocked Hat’

  • P. J. D. Gething
  • Published online by Cambridge University Press:
    21 October 2009, p. 143
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Back matter

  • NAV volume 45 issue 3 Cover and Back matter

  • Published online by Cambridge University Press:
    21 October 2009, pp. b1-b7
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Forum

  • Landfall and Coastal Lighthouse: A Canadian Perspective

  • Jack Gallagher
  • Published online by Cambridge University Press:
    21 October 2009, pp. 298-299
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  • From D. William Swift

  • Published online by Cambridge University Press:
    21 October 2009, pp. 143-146
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  • A Basic Study on Synthetic Judgement of Shipping Safety

  • Zhao Jing-song, Wu Zhao-lin, Wang Feng-chen
  • Published online by Cambridge University Press:
    21 October 2009, pp. 300-303
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  • ‘Fuel Planning in Small Power Craft’

  • George Huxtable
  • Published online by Cambridge University Press:
    21 October 2009, pp. 303-306
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Forum

  • ‘Hyperbolic Airborne Radio Navigation’

  • Keith Greenaway, S. Ratcliffe
  • Published online by Cambridge University Press:
    21 October 2009, pp. 307-308
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  • ‘The Weather of the 1979 Fastnet Yacht Race’

  • Published online by Cambridge University Press:
    21 October 2009, p. 148
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  • ‘Navigation: Land, Sea, Air and Space’

  • Myron Kayton
  • Published online by Cambridge University Press:
    21 October 2009, pp. 308-309
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Page 3 of 4