The plane carried chocolate bars, tomato juice, concentrated foods, considerable water, fishing tackle and most important, a machine to vaporize drinking water from the ocean.
OK, that is slightly different from what the Mantz article describes.
What did Mantz's article say? Because in
East To The Dawn by Susan Butler, apparently, these are the items AE carried with her on the trip: "...Amelia planned to put the maps into one suitcase; that and another suitcase, containing an extra pair of slacks, a few shirts, a mechanic's garb, a change of linen, and a toothbrush were all she would take with her. Four half-pound Nestle chocolate bars, six cans of malted milk tablets, three one-pound packages of raisins, one package of dried apricots, one package of prunes, two cans of ripe bananas, and three cans of tomato juice would end up stored in a waterproof zipper bag..."