Bombardier's Canadair Regional Jet (CRJ) family became one of the defining products of the era. As a result, the Embraer E175 has become the only regional jet that US carriers continue ordering in meaningful numbers. Current agreements generally cap regional aircraft at approximately 76 seats and a maximum takeoff weight of about 86,000 pounds. You might also like: 5 Regional Jets Operated by United Express The carrier operates several regional jets. Others believe meaningful reform of scope clauses represents the only realistic path toward introducing more capable next-generation regional aircraft.