FS98 Northeast Airlines Boeing 727-22 N1631 version 1.3 Original 727-100 by Brian Quayle/Steve Kempf/Francesco Zoja Repaint, moving parts and landing lights by: Jason R. DeCesare. Special thanks to: Francesco Zoja This Northeast Airlines' 727-22 is an example of an airliner ordered by one airline and released to another before delivery. This was to be United Air Lines' N7043U. Northeast Airlines Boeing 727-22 C/n: 18850 Built: 1965 Registration: N1631