Four people have been killed in a plane crash in northwestern Ontario, officials said Sunday as Canada’s Transportation Safety Board launched an investigation into the incident. David Lavallee, public relations officer at the Royal Canadian Air Force, said the search for the Piper PA-28 Cherokee began near Sioux Lookout, OD, around 4:30 a.m. Saturday after officials were notified of a delayed aircraft the same day. before. He said rescuers were able to sharpen the plane’s emergency response transponder and the crash site was discovered later that day southeast of Sioux Lookout, about 450 miles (450 km) east of Winnipeg. “It is remote and difficult to reach,” Lavallee said. Lavali said four people were on board the plane and no one survived the crash. The extensive search included a Hercules turbocharged aircraft and a Griffon helicopter from the Air Force, as well as an Ontario government helicopter and a team from the Civil Aviation Search and Rescue Association of Thunder Bay, Ont. Lavallee said the plane took off from Dryden, Ont. and was on his way to Oth’s Marathon. A press release from Ontario Provincial Police says the wreckage was found in the area of ​​Lake Kukukus, which lies between Igance, Ont. and Sioux Lookout. Police said the identities of the four occupants of the plane would not be made public until family members were confirmed and notified. A press release from the Transport Safety Council said a team of investigators had been deployed to the crash site. Spokesman Chris Krepski said the plane appeared to have left Dryden on Friday night. The crash was the second incident in April with a small plane in northern Ontario. A Piper Comanche went missing after taking off from Delhi on April 14, also on its way to Marathon. Despite extensive investigation, there is no sign of him or his two occupants. The last known location of the plane was 60 kilometers north of Sault Ste. Marie, Ont.