Time Limits For Engine Operation - Rotax 912 Series Maintenance Manual

2) Time limits for engine operation

The time limit for engine operation will be specified by the TBO.
WARNING: After reaching this time limit, the engine has to be shipped to an
For an overhaul, the engine must be removed from the aircraft, be cleaned, preserved
and all openings to be closed to prevent entering of contaminants.
WARNING: A general overhaul is due after a defined period of operation or after
Engine
Type description
912 A
912 A
912 A
912 F
912 F
912 UL
912 UL
912 S
912 ULS
For the TBO of the specific engine type/version refer to the table below.
Extension of the TBO is possible and will be specified by a Technical Bulletin
(1
(TB) for the respective engine type. For extensions already effective refer to
the engine log book or release certificate.
Extension of the TBO is possible and will be specified by a Service Instruc-
(2
tion (SI) for the respective engine type. For extensions already effective refer
to the engine log book or to the maintenance records.
Extension or exceeding of the TBO by 5 % or 6 months is allowed whichever
(3
comes first.
Effectivity: 912 Series
MAINTENANCE MANUAL
authorized ROTAX overhaul facility.
®
a specified calendar life since initial start of operation (whichever
comes first).
engines affected
engine S/N
up to and incl. 4,076.191
from 4,076.192 up to and incl. 4,410.065
from 4,410.066
up to and incl. 4,412.585
from 4,412.586
up to and incl. 4,152.666
from 4,152.667
all
all
AIRCRAFT ENGINES
TBO
Time Between Overhaul
600 h or 10 years,
whichever comes first
(1
1000 h or 10 years,
whichever comes first
(1
1200 h or 10 years,
whichever comes first
1000 h or 10 years,
whichever comes first
(1
1200 h or 10 years,
whichever comes first
600 h or 10 years,
whichever comes first
(2
1200 h or 15 years,
whichever comes first
1200 h or 10 years,
whichever comes first
1200 h or 10 years,
whichever comes first
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05-10-00
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Rev. 1, Jan. 01/2002