| CPC G08G 5/55 (2025.01) [B64D 45/08 (2013.01); G08G 5/21 (2025.01); G08G 5/30 (2025.01); G08G 5/34 (2025.01); G08G 5/54 (2025.01); G08G 5/58 (2025.01); G08G 5/76 (2025.01); G08G 5/26 (2025.01)] | 30 Claims |

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1. An aircraft comprising:
an autopilot;
a database operable to store information related to terrain;
an emergency state monitor, wherein said emergency state monitor is operable to instruct the autopilot to descend the aircraft to a lower altitude in the event of a pressurization failure and wherein the emergency state monitor is further operable to subsequently activate an emergency state after a user is unresponsive to one or more system alerts;
an alternate landing site selector, wherein after activation of an emergency state, said alternate landing site selector is operable to automatically:
create an alternate landing site (ALS) hierarchy by determining a suitability value for each of a plurality of alternate landing sites, wherein each assigned suitability value is based on weighting a plurality of factors related to the site's suitability for landing;
select an alternate landing site from the ALS hierarchy based on the calculated suitability values;
create a route from a current position of the aircraft to an approach fix associated with the selected alternate landing site, the route accounting for at least terrain;
cause the autopilot to direct the aircraft to traverse the route;
and
cause the aircraft to land at the selected alternate landing site.
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