BRP-Rotax
MAINTENANCE MANUAL LINE
Engine
Type description
Engine affected engine S/N TBO
Time Between Overhaul
912 F from S/N 4412817 up to S/N
4412974 incl.
1500 h or 12 years, whichever
comes first
1
912 F
from S/N 4412975
2000 h or 15 years, whichever
comes first
912 S up to S/N 4922776 incl.
1200 h or 10 years, whichever
comes first
1
912 S from S/N 4922777 up to S/N
4923889 incl.
1500 h or 12 years, whichever
comes first
1
912 S from S/N 4923890
2000 h or 15 years, whichever
comes first
912 UL
up to S/N 4152666 incl.
600 h or 10 years, whichever
comes first
1
912 UL
from S/N 4152667 up to
4404717 incl.
1200 h or 15 years, whichever
comes first
1
912 UL from S/N 4404718 up to
4409715 incl.
1500 h or 15 years, whichever
comes first
1
912 UL
from S/N 4409716 incl.
2000 h or 15 years, whichever
comes first
912 ULS up to and incl. S/N 4427532
incl.
1200 h or 10 years, whichever
comes first
1
912 ULS from S/N 4427533 up to S/N
6775789 incl.
1500 h or 12 years, whichever
comes first
(
912 ULS from S/N 6775790 incl. 2000 h or 15 years, whichever
comes first
912 ULSFR up to S/N 4429714 incl. 1200 h or 10 years, whichever
comes first
1
912 ULSFR from S/N 4429715 up to S/N
6775789 incl.
1500 h or 12 years, whichever
comes first
1
912 ULSFR from S/N 6775790
2000 h or 15 years, whichever
comes first
For the TBO of the specific engine type/version refer to the table below.
Effectivity: 912 Series
Rev. 0
05–10–00
Page 5
January 01 2020
1. Extension of the TBO is possible and will be specified by a Service Bulletin (SB) for the respective engine
type. For extensions already in effect refer to the engine log book or release certificate.