Primary emergency escape route. This.

ALTITUDE FLARE TO 1.5 WHEELS DOWN 14 SEC TO TOUCHDOWN 55 km (34 MILES) 13 317 km/H (8275 MPH) TERMINAL AREA ENERGY MANAGEMENT 5.5 MIN TO TOUCHDOWN 25 338 m (83 130 FT) 2735 km/H (1700 MPH) AUTOLAND 86 SEC TO TOUCHDOWN 335 m (1100 FT) TO RUNWAY 576 km/H (358 MPH) 526-m (1725-FT) ALTITUDE 22? GLIDE SLOPE TOUCHDOWN 689 m (2760 FT) FROM END OF THE HUMAN RACE.