New answers tagged equipment-protection
Yes. The regulations are a bit odd, but as you are travelling to Europe, I will refer you to the UK regs: http://www.britishairways.com/cms/global/pdfs/lithium_battery.pdf In essence you need to declare anything over 100Wh and cannot transport anything over 160Wh You cannot put spare packs in the hold, if you put the copter in the hold with a pack ...
A lens hood will not solve the problem. If you can't afford to make one of the small resistive 'dew-zappers', you can use the hand/mitt warmers that they sell in hardware stores. I surround the lens hood with two of these. I hold it to the lens hood with a cut-off piece of old sock. These hand warmers last all night.
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