Long flights are one of those great times when there are no common
distractions (email, IM, Twitter) and I can really get some work done.
Unfortunately, with today’s access restrictions the Internet is not
available in-flight. To get around this, I recently learned about a
free program that lets you download an entire Web site straight to your
hard disk. If you know the site you’ll need once you are in-flight,
simply use HTTrack to save all the sites pages to your computer while you have an Internet connection.
HTTrack arranges the original site's relative link structure and according to www.httrack.com,
“Simply open a page of the ‘mirrored’ Web site in your browser, and you
can browse the site from link to link, as if you were viewing it
online.” Pretty useful if you spend a lot of times on planes and are
looking for ways to use your down time.