year of manufacture tbo details for 912ULS

My Rotax 912 ULS has a long history, in the course which it had several owners.
I don't know this machine  age.


Maybe some of you, guys, know where,  I can find the  year of manufacture.

Engine Serial Number: 4429770

Engine Type: ROTAX 912 ULS

Engine Version: ROTAX 912 ULSFR

Certification/Approval: Approved according to ASTM F2339

Model Number: 309120110

Rotax Care: No

Thanks