The flight test was completed in November 1992 and the design was finalized a month later. Z-9B production began in 1993 and entered PLA service in 1994.
The completion of the flight test in November 1992 marked a significant milestone, followed by the finalization of the design one month later. The production of the Z-9B began in 1993, and its entry into PLA service in 1994 was a notable achievement.