black box in German

(informal, aviation) A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.

(informal, aviation) A flight recorder; the brightly colored cockpit voice recorders and flight data recorders in an aircraft designed to aid in determining the cause of an accident.

A theoretical construct or device with known input and output characteristics but unknown method of operation.

A theoretical construct or device with known input and output characteristics but unknown method of operation.