Waihanga i tētahi putanga matatini ake o tēnei rerenga Ko te E-170 me te E-175 e whakataetae tika ana ki te Bombardier CRJ-700 me te Bombardier CRJ-900.
O te akoranga, he putanga atu matatini o te rerenga ko "te E-170 me E-175 tika whakataetae ki te Bombardier CRJ-700 me Bombardier CRJ-900, ia, a loosely whakataetae ki te turboprop Bombardier Q400. "