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[RyanLilly]

The Pelican 1510 is a TSA approved carry-on, I can get 2 bodies w/grips, 3 Zooms, 3 primes, a speedlight or two, and plenty of batteries, memory cards, etc into a very well protected case. Throw in a stick of deodorant and a toothbrush, and check all the other stuff. Storm Case has an almost exact size case, I have one of each, I feel that the pelican is slightly better built, and has an extra top handle that balances better than the storm case. The latches on the pelican however, are tougher to open than the storm case, but I think that they would hold much better in a hard fall.

 

[Tony S]

The only way I have ever checked any of my camera gear in luggage is along with a handgun in the case. The case is hand checked in front of you, locked up with a non-TSA lock and hand carried to baggage and back out to you at your arrival point. If you are opposed to using a gun, a starters pistol also works well in it's place requiring the same rules.
While the 1510 is a TSA approved carryon, if you do get on a flight where there is no place to put it in the cabin they will gate check it and then you are right back at square one.