The Role of a Flight Management System in Terminal Airspace

To help solve the ever-increasing congestion in terminal airspace around our major cities, the Lockheed Corporation, in conjunction with NASA, has embarked on development of advanced airborne avionics. This paper deals with the first phase of this program: adapting an existing L-1011 Flight Management System for accurate timed descents (4-D Descents) to metering fixes in the terminal area.