Bermuda Triangle

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Across
  1. 3. Not even or regular in pattern or movement; unpredictable
  2. 4. A small, thin piece of something cut or split off a larger piece
  3. 5. An operational unit in an air force consisting of two or more flights of aircraft and the personnel required to fly them
Down
  1. 1. Occurring in or characteristic of myths or folk tales
  2. 2. Having lost one's sense of direction