NG Models Delta Air Lines Airbus A330-200 N857NW 1:400 Diecast Model1: 400 Diecast: Delta Air Lines Airbus A330 223 N857NW (NG Models NG61096) N857NW is an Airbus A330 223 (MSN 633), a Pratt & Whitney PW4000 series powered A330 200 that first flew under the Northwest Airlines banner on 17 November 2004 and joined Delta Air Lines on 5 October 2009 after the two carriers merged. The 223 variant designation confirms the PW4168A powerplant distinguishing it from the GE powered 243 and the Rolls Royce Trent powered 243ER