SafetyChoppers at the ready as storm season kicks inForecast for active hurricane months heightens importance of preparationStanding by: Chevron owns and operates its own fleet of helicopters such as this AgustaWestland AW139 dropping off crew at the Jack & St Malo semi-submersible production platform in the US Gulf of MexicoPhoto: CHEVRONJennifer Lynn PresleyHouston