Pencil, Paper and Stars: The Handbook of Traditional and Emergency Navigation by Alastair Buchan
Pencil, Paper and Stars: The Handbook of Traditional and Emergency Navigation
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Alastair Buchan
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Pencil, Paper and Stars: The Handbook of Traditional and Emergency Navigation

Alastair Buchan

187 pages • first pub 2008 (editions)

informative medium-paced
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Description

Electronic navigation systems are extremely reliable but when they do fail onboard repair at sea is rarely possible. Also, their operation depends on a continuous supply of electricity. Should this fail they will stop and unexpectedly lacking the ...

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