4-07. (A) Yes. (B) Approx 66 ft. (C) 41º 13.2’ N, 70º 48.2’ W. (D) C 039 M, 3.0 nmi.
5-18. Best answers are Course 046° M, arrival time is 1148.
6-12. Change the bearings to be Magnetic and then change the fix to be 41° 15.9'N  070° 45.1'W 
8-09. 4.8 at 2030 / High / -0 17 / 2013 + 1h for EDT = 2113
8-10. -0.2 at 0132 / Low / +1 15 / 0247 + 1h for EDT = 03478
8-34. Question should refer to May 17th, not June 17th.
8-43. Answer is 0552 EST (not the 0003 shown)
10-Answers. The answers are right as printed, but the referenced Rules have been updated in quite a few cases. Please see the list of new references in our 18465Tr errata.

Purchase printed version of Navigation Workbook 1210 Tr

Purchase 1210tr printed chart

Starpath online Glossary of Marine Navigation (

Starpath online videos on chart plotting (

Referenced in the text: 4-up portable compass roses (Print onto clear labels to add to charts)

Download a free BSB format RNC echart copy of 1210tr (compliments of Starpath Publications, 5 MB zip file) .
This chart will run in any echart viewer, such as OpenCPN or qtVlm, both of which have PC and Mac versions.

Download a hi res pdf of chart 1210tr.  Can't navigate on it, but you can read it on your phone on the bus to study the chart!

View 1210tr on Google Earth

Starpath online course on Inland and Coastal Navigation

Read discussion of navigation exercises Our 1210Tr workbook is new, but many of the exercises are the same as we use in the 18456Tr workbook. You need a webcard to participate and add your own questions and comments, but anyone can read this public discussion.)

Purchase Inland and Coastal Navigation textbook

Nautical charts in all formats can be found at (All NOAA echarts of US waters are free downloads. Printed charts are POD)

Nautical chart catalogs. We have several exercises on the use of chart catalogs. It is always valuable to have a printed copy on board, in part because it makes an excellent graphic index to the charts you have. Just highlight the boundaries of the charts you have in the catalog. You can request one from your local chart dealer. To obtain a catalog for working the exercises, you can download or view online a graphic version at this link: NOAA nautical chart catalogs. This charted region is in Catalog No. 1, Atlantic Coast.

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ebook options for Starpath publications (

See related Navigation Workbooks with practice problems and answers:

Using Chart 18465 Tr Using Chart 1210 Tr Practice Underway