The name was chosen because one of the Enger brothers was very fond of the opera Norma by Bellini.
Norma (opera) | Norma | Norma Rae | Norma Shearer | Norma Aleandro | Norma Winstone | Norma Kamali | Norma Talmadge | Norma V. Cantu | Norma McCorvey | Norma (company) | Norma Beecroft | Fender Precision Bass | Precision-guided munition | precision-guided munition | precision | Norma Ronald | Norma, Lazio | Norma Cruz | XM1156 Precision Guidance Kit | Precision Time Protocol | Precision Lightweight GPS Receiver | Precision Club | Norma Zarky | Norma Wurmlinger | Norma West | Norma Terris | Norma Paulus | Norma Morandini | Norma Miller |