The RFDS is one of the largest and most comprehensive aeromedical organisations in the world, providing extensive primary health care and 24-hour emergency service to people over an area of 7.69 million square kilometres. The RFDS relies on donations and support from people like you to keep them flying and saving lives on a daily basis. There are lots of different ways to help, so whether you prefer to roll up your sleeves and do some fundraising, volunteering, or make a simple donation, they will be very appreciative.