All seven people on board a Beechcraft air ambulance that crashed in the Indian state of Jharkhand on Monday were killed, officials said on Tuesday, including two crew members, the patient and his relatives.The Beechcraft C90 plane, operated by Redbird Airways, took off from state capital Ranchi but requested a change to its flight path due to weather, the Directorate General of Civil Aviation said on Monday.For all the latest headlines, follow our Google News channel online or via the app.The aircraft subsequently lost communication and radar contact, the regulator said.“We have pulled out the bodies and sent them for post-mortem and further investigation,” said Keerthishree G, the deputy commissioner of Chatra district, where the crash occurred during a thunderstorm.A team from India’s Aircraft Accident Investigation Bureau has been dispatched to investigate the cause, the regulator said. Most air crashes are due to a combination of factors and can take at least a year to investigate