Maybe you night flyers may be interested in something like this to throw
into the emergency kit:

5 inches overall, doesn't give the weight. Handcrank 2 minutes charges it
for 30 minutes of light. 3 bulbs: can use 1 to save power or all 3 to get
more light.

20 bucks US.

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http://www.leevalley.com/garden/page...,40 725,45454

Change currency=1 in the URL to get Canadian prices.