Buchan Alastair:
Pencil, Paper And Stars
The Handbook Of Traditional And Emergency Navigation
John Wiley And Sons Ltd (United Kingdom), 2008
Paperback, 200 pages
Size: 212x177 mm
ISBN: 9780470516522
ISBN-10: 0470516526
List price: £14.99
You save: 30%
Pencil, Paper And Stars
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.

