Five people have been killed in a plane crash on a beach in Far North Queensland, police say.The wreckage of the charter plane was found on a beach just south of Lockhart River, about 800 kilometres north of Cairns, around 1:30pm.The ABC understands four government workers from Cairns and the pilot were on the flight.The plane was reported missing around 11:30am.It is understood the pilot attempted to land twice, before crashing.A search conducted by the Australian Maritime Safety Authority (AMSA) and Queensland police found the wreckage of the twin-engine Cessna 404 Titan aircraft about four nautical miles south-east of Lockhart River aerodrome.Weather in the area is extremely poor, with a cyclone brewing off the coast.Police are on the scene and have blocked off all access to the area.The Australian Transport and Safety Bureau (ATSB) said in a statement it was investigating the crash."Investigators will examine the wreckage and site surrounds, including with the use of a 3D mapping drone," the statement said."The ATSB will also analyse available recorded data, review weather information, and interview witnesses."The ATSB said a preliminary report would be released in about a month."However, at any time should a critical safety issue be identified during the course of the investigation, the ATSB will immediately notify relevant stakeholders so appropriate and timely safety action can be taken," it said.