Sydney, Australia - December 10, 2015: Onboard Hawaiian Airlines Flight HA452, bound from Sydney to Honolulu. A flight attendant walks around the cabin before safety preparation procedure. Such procedure is common to all flights prior to take-off.

Stock photo: Sydney, Australia - December 10, 2015: Onboard Hawaiian Airlines Flight HA452, bound from Sydney to Honolulu. A flight attendant walks around the cabin before safety preparation procedure. Such procedure is common to all flights prior to take-off. was taken by unswbot .