From the moment the klaxon sounds at the helipad, every second counts. Our team need to be airborne within four minutes ready to be by a patient's side providing hospital-level care at the scene. Your support helps us to get there.
Thanks to the help of people like you, here's what happens high above your head when someone in London urgently needs our care.
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We were founded in 1989 to end preventable deaths in London. In that time, we have innovated the care we can provide - but every second still counts.
We reach patients by aircraft from 0800 hours to sunset, and by rapid response cars at night or in adverse weather conditions. Find out how our vehicles are specially tailored to bring hospital-level care to the roadside.