BRUSSELS—Ethiopian Airlines may announce a Bombardier C Series or Embraer E2 order at the 2018 Farnborough Airshow in, as well as a follow-on deal for Boeing 787s. A decision on a 100-seater was originally planned for 2016, with several contenders in the frame for an order. These included the 138-152 seat 737-7, which is larger than the spec Ethiopian was seeking, but could have offered fleet commonality. Ethiopian has since taken its time with the analysis. “We have narrowed ...