MD Slat Overspeed

The MD airliner slat overspeed warning: a sharp cockpit alarm that sounds when slats exceed their speed limit. Flight sim creators use it for cockpit realism.

This is the urgent electronic warning tone heard in the cockpit of a McDonnell Douglas MD airliner when the aircraft flies too fast with its leading-edge slats still extended. The clip runs just over two seconds: a rapid, insistent series of high-pitched beeps that cut through engine noise and demand the crew's attention immediately. It sounds tense and mechanical, the audio equivalent of a flashing red light. Dropped into a video, it instantly signals that something is wrong and needs fixing fast, which is why creators reach for it whenever a scene calls for cockpit panic, a pilot's mistake, or a comically ignored warning.