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I plan to transport a microscope on a trip from Pittsburgh to Athens Greece. It weighs about 8 pounds. It's a high school level microscope. Is it an allowable carry-on item and an allowable checked bag item?

Which way is better, checked or carry on? I don't want to get stopped going through security and wonder if moisture condensation on lenses could be a problem with a checked bag.


Thank you for the helpful responses. I decided to go with checked bag and protect it with the original styrofoam box.

Willeke
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user140508
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2 Answers2

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When you carry anything on board a flight, whether in cabin luggage or hold luggage, the following questions may arise:

  • Does this fit within weight or size allowances? (rules are different for carry-on and hold luggage)
  • Are there any risks involved? (ditto)
  • Is this allowed, for security reasons? (ditto)
  • Is there an issue exporting the device? (same rules whether carry-on or checked)
  • Is there an issue importing the device? (ditto)
  • Are there taxes and duties to pay? (ditto)

So you'll need:

  • To find the size and weight of the device (including packaging and protection), and see if that fits in your carry-on allowance (including the rest of the stuff you want to carry on board). There's a possibility it won't fit and then your only option is to put it into checked luggage.

  • In checked luggage, there are two major risks: theft (very limited, but it does happen) and breakage. This means good packaging. It will usually be slightly cooler in the hold, no idea how that may affect your equipment.

  • In both cases, you can check if the device is allowed for security reasons by using the TSA What Can I Bring? tool. I couldn't find anything about microscopes, and I don't see a reason why they wouldn't be allowed (as long as there is nothing sharp or which could otherwise be used as a weapon).

  • Some devices are subject to export restrictions. I don't expect that to be the case for an optical microscope.

  • Likewise for import into a destination country. Don't expect an issue there in your case.

  • If the value of the equipment exceeds duty-free allowances, you have the issue of taxes and duties.

    If you intend to leave it at your destination, then you have to pay them on import, which can be cumbersome, and is much easier handled by shipping the device beforehand by a courrier company which will deal with customs.

    If you will take it back out of the country, then an ATA carnet may be a good option, though the conditions can be complex (and it will have a cost).

    If the value of the device is below duty-free limits, then nothing to worry about.

In summary:

  • If it's small enough you can carry it in your cabin luggage (not in addition to)
  • Otherwise you'll have to put into checked luggage
  • Nothing special to worry about for the rest.
jcaron
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I can’t think of any reason it would cause issues, though it might attract attention because of the shape or materials and require secondary inspection, so maybe allow a bit of extra time.

I would take it in carry-on unless you have a suitably protective hard case. Because of the possibility of mechanical damage or (less likely) theft.

Spehro 'speff' Pefhany
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