S/N Model Registration(s) Prototype S-39 NX813M/NX963M 900 S-39A NC42V 901 S-39A/B NC887W 902 S-39B NC888W 903 S-39A/B NC802Y 904 S-39A/B NC803W 905 S-39A NC804W 906 S-39B NC896W 907 S-39A/B NC805W 908 S-39A NC806W 909 S-39A NC807W 910 S-39A NC808W 911 S-39A/C NC809W 912 S-39B NC50V 913 S-39B NC51V 914 S-39CS NC52V 915 S-39B NC53V 916 S-39B NC54V 917 S-39B NC55V 918 S-39C NC1933, NC14326 920 S-39B NC58V