主权项 |
1. An aircraft boarding apparatus, comprising:
a first passenger bridge having a first passenger deck, wherein the first passenger bridge includes a concourse interface and an articulating first interface; a second passenger bridge having a second passenger deck, said second passenger bridge coupled to the first passenger bridge at the articulating first interface, said second passenger bridge having an aircraft interface end configured to couple with a regional aircraft at a sill height thereof; and wherein the second passenger bridge includes a unit weight per unit length ratio between 58 and 200 lbs per lineal foot. |