Ajaz Ali on Instagram: "4 China Eastern Business Class Review I One Mile At A Time China Eastern’s Boeing 777-39P(ER) is a long-haul aircraft with a typical 3-class layout (First, Business, Economy) totaling around 316 seats, featuring modern amenities like personal entertainment, USB ports, and Wi-Fi, though Wi-Fi reliability varies, offering reverse-herringbone business seats and generally good economy legroom with some hardware box interference near windows, all powered by Panasonic systems.