The trio of aboriginal males absconded from Darwin Correctional Precinct at Holtze final evening.
Dylan Mamarika, 29, Rogan Lalara, 33, and Jamian Bara Bara, 38, left at 10.40pm.
All three are of medium builds with quick black hair and have been sporting lengthy sleeved, excessive visibility yellow shirts that are blue from the elbows down, and darkish blue shorts.
NT Police stated they do not know which method the boys went.
“The Crime Division is currently leading the search efforts to locate the prisoners,” Detective Senior Sergeant Karl Day stated.