Helicopter incidents refer to events involving helicopters that result in accidents, emergencies, or significant operational difficulties. These incidents can include crashes, hard landings, mechanical failures, collisions with other aircraft or obstacles, and hazards encountered during takeoff and landing. Such events can lead to injuries or fatalities among passengers and crew, as well as damage to property and the environment. The term encompasses a wide range of occurrences, from minor incidents to catastrophic accidents, and is often used in aviation safety discussions and investigations to analyze causes, improve safety measures, and prevent future occurrences.