Helicopter Disappearance refers to the event or situation in which a helicopter goes missing, typically during a flight or while on a mission. This term encompasses various scenarios, including mechanical failures, navigational errors, adverse weather conditions, pilot error, or potential criminal activities such as hijacking. The disappearance of a helicopter often leads to search and rescue operations and investigations to determine the cause of the incident and to locate the aircraft and any occupants. The term can also apply to high-profile cases involving lost helicopters that capture public attention and concern, highlighting issues of aviation safety and emergency response.