english: The Hawker Siddeley team had previously produced a design called the HS.134 "Airbus" in 1965, an evolution of the HS.121 (formerly DH.121) Trident,[17] which shared much of the general arrangement of the later JET3 study design.
non_english: Tim Hawker Siddeley sadèrèngipun mroduksi sebuah rancangan ingkang dipunsebat HS.134 "Airbus" taun 1965, sebuah evolusi saking HS.121 (sebelumnya DH.121) Trident,[7] ingkang kathah berbagi kathah rancangan ingkang pungkasan studi rancangan JET3.