Small Personal airplane

The easiest way to not deal with airport security is to just not tell them you have weed. Put it in your carry on, inside something smell proof, glass jar, a baggie, in a sock if you’re paranoid and forget about it. The TSA does not open your carry on and the xray scanner can not see it. Just don’t try and get clever and hide it in something like a shampoo bottle. You have to be careful with things like shampoo bottles because the FAA actually only allows for you to bring bottles up to 3.4 ounces in your carry-on luggage.

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How The TSA Handles Marijuana:
If the TSA at your airport finds weed in your suitcase they will not be able to do anything. They can choose to report you to local authorities immediately.
That being said, Oakland Police(or San Francisco PD) handle marijuana laws loosely. With a valid California state issued card you are fine because they follow state laws, not federal laws.
From what I gather it must be CA State Verified and not some local medical club or doctors note. You will end up with a court date without a real card.
This also does not work in all California cities. We’re talking Oakland and San Francisco here. I hear Los Angeles LAX is also run under these guidelines but you may want to check.