Traffic alert and collision avoidance system, also called an airborne collision avoidance system, is an aircraft collision avoidance system designed to reduce the incidence of mid-air collision betwee
Combined TCAS and EHSI cockpit display (color)
Combined TCAS and VSI cockpit display (monochrome)
On 31 January 2001, Japan Airlines Flight 907, a Boeing 747-400 en route from Haneda Airport, Japan, to Naha Airport, Okinawa, narrowly avoided a mid-air collision with Japan Airlines Flight 958, a Mc
Traffic collision avoidance system
…advisory (amber mark) almost immediately turned into a resolution advisory (red mark) with a projected time for collision of less than 25 seconds. 2001 Japan Airlines mid-air incident, in which the captain of Japan Airlines Flight 907 (a Boeing 747-400), 40-year old Makoto Watanabe (渡辺 誠, Watanabe Makoto), chose to descend, ordered…
JA8904, the Boeing 747-446D involved in the incident
JA8546, the McDonnell Douglas DC-10-40 involved in the incident