Just remember "Travel light, freeze at night". I don't think TSA will be checking the bush planes. I would make darn sure you are prep'd with everything you can get away with. It is a LLOOONNNGGG way to anywhere if you must make an unplanned landing.

Above my normal carry would be SAT phone and PLB with GPS if finances allow.
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I do the things that I must, and really regret, are unfortunately necessary.

RIP OBG