(CNN) — Emotional support animals running wild in the aisles, rogue travelers pretending to be airplane pilots and drunken passengers causing emergency landings: last year was defined by some pretty dodgy airplane passenger behavior. Pigs can fly -- at least, they can in the United States, if they're brought on board as emotional support animals (ESA). l e v a r tRelated content Should emotional support animals be allowed on board airplanes? There have been reports of emotional support animals attacking flight attendants, defecating and urinating on board, aggravating other passengers' allergies and unwittingly causing emergency landings. That's something advocated by Megan Peabody, who has an emotional support pig called Hamlet.

Source: CNN January 03, 2020 10:18 UTC