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HM Nautical Almanac Office: NavPac 4

Upgrading from Navpac 3 to NavPac 4

To upgrade to the latest version of NavPac, namely version 4, you must be a registered user of NavPac version 3 as supplied with NavPac and Compact Data 2016-2020. Please go to the Navpac 3 registration page if you have not already done so.

If you are a registered user, please enter your e-mail address twice ...

and enter your NavPac serial number twice ...

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Last modified: Wednesday, 14 December 2016 at 16:33:21 GMT