I have a compass filled with some sort of liquid. Should I put it in carry-on or checked luggage? I did not notice any warnings about it beeing flammable, but don't think it's filled with water either.

  • 1
    I believe you will not have issue, as there is so much liquid on that... – Marcel P. Mar 25 '19 at 17:17
  • 3
    Compass as in "Which way is north?" or compass as in "Draw me a circle!"? I assume the first one but some of the second kind have ink reservoirs. – David Richerby Mar 25 '19 at 17:30
  • I don't think either of them hold 100mL or more of liquid. – Michael Hampton Mar 25 '19 at 17:34
  • The north one. Volume is not really a problem but apparently some are (used to be?) filled with kerosene. So maybe comparable to lighter. – user32382 Mar 25 '19 at 17:38
  • Make sure it is kept well away from anything magnetic. A lot of electronic devices contain magnets, eg phones. Or luggage with magnetic clasps. So that could affect the compass. – vclaw Aug 7 '19 at 9:42

If you have checked luggage, then put it in there. All you need is an overzealous employee to say 'aha it has liquid which might be kerosene, better not let it on the plane'. Then you lose your compass.

If you have checked luggage, only take with you what you need onboard, and avoid the risk of having stuff confiscated :/


This will be fine in your carry-on. You could make extra sure and put it in a zip-lock back and present it to security checkpoints

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