- Holder
- BRP-Rotax GmbH & Co KG
- Revision
- 9
- Revised
- March 2, 2026
- Status
- Current
- Product
- Engine
- Certification basis
- Part 33
- Models
- 14
- Registered
- 2,228 aircraft
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 14
| Model | Also known as | Note |
|---|---|---|
| 912 S3 | Formerly Motorenfabrik, Rotax, then Bombardier-Rotax GmbH | |
| 912 F3 | Formerly Motorenfabrik, Rotax, then Bombardier-Rotax GmbH | |
| 912 S2 | Formerly Motorenfabrik, Rotax, then Bombardier-Rotax GmbH | |
| 912 F4 | Formerly Motorenfabrik, Rotax, then Bombardier-Rotax GmbH | |
| 912 F2 | Formerly Motorenfabrik, Rotax, then Bombardier-Rotax GmbH | |
| 912 S4 | Formerly Motorenfabrik, Rotax, then Bombardier-Rotax GmbH | |
| 915 iSc2 C24 | ||
| 915 iSc3 C24 | ||
| 912 iSc2 Sport | ||
| 912 iSc3 Sport | ||
| 916 iSc2 A | ||
| 916 iSc3 A | ||
| 916 iSc2 C24 | ||
| 916 iSc3 C24 |
Airworthiness directives · 22
ADs whose products are models on this data sheet, matched by model and maker.
AD 2026-16-11Reciprocating Engine Front SectionAD 2026-04-02Turbine Engine Reduction GearAD 2025-15-03Reciprocating Engine Oil System
See all 22 ADsRegistered aircraft
Registry models that point at this data sheet, with their registered aircraft.
Rotax 912 IS875 registered aircraftRotax 915 IS393 registered aircraftRotax 912S335 registered aircraftRotax 912299 registered aircraftRotax 916 IS118 registered aircraftRotax 912S395 registered aircraftRotax 912ISC66 registered aircraftRotax 915 series41 registered aircraftRotax 912F36 registered aircraft
STCs approved under this data sheet · 2
What the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
*
PAGE 1 2 3 4 5 6 7 8 9 10 11
REV. 9 9 8 9 9 9 9 9 9 9 8
LEGEND: "- -" INDICATES "SAME AS PRECEDING MODEL"
"---" INDICATES "DOES NOT APPLY"
NOTICE: SIGNIFICANT CHANGES, IF ANY
ARE BLACK-LINED IN THE LEFT MARGIN.
U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
TYPE CERTIFICATE DATA SHEET E00051EN
TCDS NUMBER E00051EN
REVISION: 9
DATE: March 2, 2026
BRP-Rotax GmbH & Co KG
MODELS:
ROTAX
912 F2 912 F3 912 F4
912 S2 912 S3 912 S4
915 iSc2 C24 915 iSc3 C24
912 iSc2 Sport 912 iSc3 Sport
916 iSc2 A 916 iSc3 A
916 iSc2 C24 916 iSc3 C24
Engines of models described herein conforming with this data sheet (which is part of Type Certificate Number E00051EN) and other
approved data on file with the Federal Aviation Administration, meet the minimum standards for use in certificated aircraft in accordance
with pertinent aircraft data sheets and applicable portions of the Federal Aviation Regulations, provided they are installed, operated, and
maintained as prescribed by the approved manufacturer's manuals and other approved instructions.
TYPE CERTIFICATE (TC) HOLDER BRP-Rotax GmbH & Co KG
Rotaxstrasse 1
A-4623 Gunskirchen, Austria
TYPE CERTIFICATE HOLDER RECORD BRP-Rotax GmbH & Co KG on June 15, 2016
BRP--POWERTRAIN GMBH & CO KG on December 18, 2003
Bombardier- Rotax GmbH
(Name changes of TC Holder)
I. MODELS, 912 series 912 F2 912 F3 912 F4 912 S2 912 S3 912 S4
TYPE (See NOTE 5) Four cylinder, horizontally opposed, four stroke engine, reduction gear driven, liquid
cooled cylinder head's, ram air cooled cylinders, dry sump pressure lubrication, dual
magneto high-voltage condenser ignition, contactless, two constant depression
carburetors, electric starter, generator, fuel pump, vacuum pump.
RATINGS
Takeoff power (5 min.) :
(sea level pressure altitude)
Max. continuous power :
(sea level pressure altitude)
59.6 kW(81
HP) at 5,800
rpm
58 kW(79
HP) at
5,500 rpm
- -
- -
- -
- -
73.5 kW(99
HP) at 5,800
rpm
69 kW(93
HP) at 5,500
rpm
- -
- -
- -
- -
FUEL For specifications see Operators Manual
OIL For specifications see Operators Manual
CAPACITY Maximum: 0.79 Gal / 3.0 L Minimum: 0.66 Gal / 2.5L
COMSUMPTION LIMIT 0.016 Gal / 0.06 L per hour
FUEL PUMP Mechanical pump
ENGINE SPEED MEASUREMENT
(rpm)
Electronic tachometer connector and optional mechanical tachometer drive
WEIGHT (dry) (See NOTE 11) 57.1 kg
(125.9 lbs)
59.8 kg
(131.8 lbs)
57.1 kg
(125.9 lbs)
58.3 kg
(128.5lbs)
61 kg
(134.5 lbs)
58.3 kg
(128.5 lbs)
DISPLACEMENT 1211 cm3
(73.9 in3)
- - - - 1352 cm 3
(82.5 in 3)
- -
- -
TCDS E00051EN PAGE 2
I. MODELS – 912 series(Continued) 912 F2 912 F3 912 F4 912 S2 912 S3 912 S4
BORE
79.5 mm
(3.13 in.)
- - - - 84 mm
(3.3 in.)
- - - -
STROKE 61 mm
(2.40 in.)
- - - - 61 mm
(2.40 in.)
- - - -
COMPRESSION RATIO 9.0 : 1 - - - - 10.5:1 - - - -
PROPELLER ROTATION
CCW - - - - - - - - - -
PROPELLER FLANGE P.C.D. 75
mm, 80
mm, and 4
inch
diameter
for fixed
propeller
P.C.D. 75
mm, 80 mm,
and 4 inch
diameter
with drive
for
hydraulic
gov. for
constant
speed
propeller
P.C.D. 75
mm, 80
mm, 4
inch
diameter
prepared
for
hydraulic
gov. for
constant
speed
propeller
P.C.D. 75
mm, 80
mm, and 4
inch
diameter
for fixed
propeller
P.C.D. 75
mm, 80
mm, and 4
inch
diameter
with drive
for
hydraulic
gov. for
constant
speed
propeller
P.C.D. 75
mm, 80
mm, and 4
inch
diameter
with drive
for
hydraulic
gov. for
constant
speed
propeller
GEAR REDUCTION
(crankshaft to prop)
2.2727: 1 - - - - 2.4286:1 - - - -
PROPELLER CONTROL --- --- adapter and
drive for
hydraulic
constant
speed
propeller
--- --- adapter and
drive for
hydraulic
constant
speed
propeller
II. MODELS, 915 iSc series 915 iSc2 C24 915 iSc3 C24
TYPE (See NOTE 5) Four cylinder horizontally opposed, four stroke piston engine with liquid cooled
cylinder heads, ram-air cooled cylinders, dry sump forced lubrication, turbocharger
with intercooler, exhaust system, controlled by a dual channel Full Authority Digital
Engine Control (FADEC) system for ignition and injection and a regulator type with
a 28V System Interface for power exchange to and from a 28V aircraft system. The
engine is equipped with a reduction gear box with integrated torsion shaft,
dampening clutch and overload protection clutch to reduce the crankshaft speed to
the designed propeller shaft speed.
RATINGS
Takeoff power (5 min.) :
(sea level pressure altitude)
Max. continuous power :
(sea level pressure altitude up to
critical altitude of 15000 ft /4572 m)
104 kW(139.5 HP) at 5,800 rpm
99 kW(132.8 HP at 5,500 rpm
FUEL See Operators Manual:
FUEL PUMP Electrical fuel pump (not engine type design)
OIL For specifications see Operators Manual
CAPACITY Maximum: 0.79 Gal / 3.0 L Minimum: 0.66 Gal / 2.5L
COMSUMPTION LIMIT 0.016 Gal / 0.06 L per hour
ENGINE SPEED MEASUREMENT
(rpm)
Electronic tachometer connector
WEIGHT (dry) (See NOTE 11) 85.3 kg (188.1 lbs) 85.9 kg (189.4 lbs)
DISPLACEMENT 1352 cm 3(82.5 in 3) - -
BORE 84 mm (3.31 in.) - -
STROKE 61 mm (2.40 in.) - -
COMPRESSION RATIO 8.2:1 - -
PROPELLER ROTATION CCW - -
TCDS E00051EN PAGE 3
II. MODELS, 915 iSc series (cont.) 915 iSc2 C24 915 iSc3 C24
PROPELLER FLANGE P.C.D. 75 mm, 80 mm, and 4 inch
diameter for fixed propeller
P.C.D. 75 mm, 80 mm, and 4 inch
diameter with drive for hydraulic gov.
for constant speed propeller
GEAR REDUCTION
(crankshaft to prop)
2.5454 : 1 - -
PROPELLER CONTROL --- Adapter and drive for hydraulic constant
speed propeller
III. MODELS, 912 iSc series 912 iSc2 Sport 912 iSc3 Sport
TYPE (See NOTE 5) The engine is a 4 cylinder horizontally opposed, 4-stroke piston engine with liquid
cooled cylinder heads, ram-air cooled cylinders, dry sump forced lubrication, 2
electrical fuel pumps, exhaust system and it is controlled by a dual channel Full
Authority Digital Engine Control (FADEC) system for ignition and injection. The
engine is equipped with a reduction gear box with integrated shock absorber (dog
clutch type) and overload protection to reduce the crankshaft speed to the
designed propeller shaft speed.
RATINGS
Takeoff power (5 min.) :
(sea level pressure altitude)
Max. continuous power :
(sea level pressure altitude)
73.5 kW(99 HP) at 5,800 rpm
72 kW(96.6 HP) at 5,500 rpm
FUEL See Operators Manual:
FUEL PUMP Dual Electrical fuel pumps
OIL For specifications see Operators Manual
CAPACITY Maximum: 0.79 Gal / 3.0 L Minimum: 0.66 Gal / 2.5L
COMSUMPTION LIMIT 0.016 Gal / 0.06 L per hour
ENGINE SPEED MEASUREMENT
(rpm)
Electronic tachometer connector
WEIGHT (dry) (See NOTE 11) 63.6 kg (140.2 lbs) 64.4 kg (142 lbs)
1 External alternator 3.0 kg (6.61 lbs) - -
DISPLACEMENT 1352 cm 3(82.5 in 3) - -
BORE 84 mm (3.31 in.) - -
STROKE 61 mm (2.40 in.) - -
COMPRESSION RATIO 10.8:1 - -
PROPELLER ROTATION CCW - -
PROPELLER FLANGE P.C.D. 75 mm, 80 mm, and 4 inch
diameter for fixed propeller
P.C.D. 75 mm, 80 mm, and 4 inch
diameter with drive for hydraulic gov.
for constant speed propeller
GEAR REDUCTION
(crankshaft to prop)
2.4286 : 1 - -
PROPELLER CONTROL --- Adapter and drive for hydraulic constant
speed propeller
TCDS E00051EN PAGE 4
IV. MODELS, 916 iSc series 916 iSc2 A 916 iSc3 A 916 iSc2 C24 916 iSc3 C24
TYPE (See NOTE 5) Four cylinder horizontally opposed, four
stroke piston engine with liquid cooled
cylinder heads, ram-air cooled
cylinders, dry sump forced lubrication,
turbocharger with intercooler, exhaust
system, controlled by a dual channel
Full Authority Digital Engine Control
(FADEC) system for ignition and
injection. The engine is equipped with a
reduction gear box with integrated
torsion shaft, dampening clutch and
overload protection clutch to reduce the
crankshaft speed to the designed
propeller shaft speed and an adjustable
exhaust system.
Four cylinder horizontally opposed, four
stroke piston engine with liquid cooled
cylinder heads, ram-air cooled
cylinders, dry sump forced lubrication,
turbocharger with intercooler, exhaust
system, controlled by a dual channel
Full Authority Digital Engine Control
(FADEC) system for ignition and
injection and a regulator type with a
28V System Interface for power
exchange to and from a 28V aircraft
system. The engine is equipped with a
reduction gear box with integrated
torsion shaft, dampening clutch and
overload protection clutch to reduce the
crankshaft speed to the designed
propeller shaft speed and an adjustable
exhaust system.
RATINGS
Takeoff power (5 min.) :
(sea level pressure altitude)
Max. continuous power :
(sea level pressure altitude)
117 kW(160 HP) at 5,800 rpm
101 kW(137 HP) at 5,500 rpm
FUEL See Operators Manual:
FUEL PUMP Electrical fuel pump (not engine type design)
OIL For specifications see Operators Manual
CAPACITY Maximum: 0.79 Gal / 3.0 L Minimum: 0.66 Gal / 2.5L
COMSUMPTION LIMIT 0.016 Gal / 0.06 L per hour
ENGINE SPEED MEASUREMENT
(rpm)
Electronic tachometer connector
WEIGHT (dry) (See NOTE 11) 85.8 kg (189.2
lbs)
86.4 kg (190,5
lbs)
86.5 kg (190.7
lbs)
87.1 kg (192,0
lbs)
DISPLACEMENT 1352 cm3(82.5 in 3)
BORE 84 mm (3.31 in.)
STROKE 61 mm (2.40 in.)
COMPRESSION RATIO 8.2 : 1
PROPELLER ROTATION CCW
PROPELLER FLANGE P.C.D. 80 mm,
and 4 inch
diameter for fixed
propeller
P.C.D. 80 mm,
and 4 inch
diameter with
drive for
hydraulic gov. for
constant speed
propeller
P.C.D. 80 mm,
and 4 inch
diameter for fixed
propeller
P.C.D. 80 mm,
and 4 inch
diameter with
drive for hydraulic
gov. for constant
speed propeller
GEAR REDUCTION
(crankshaft to prop)
2.5454 : 1
PROPELLER CONTROL --- Adapter and drive
for hydraulic
constant speed
propeller
--- Adapter and drive
for hydraulic
constant speed
propeller
TCDS E00051EN PAGE 5
CERTIFICATION BASIS 14-CFR, part 33, Airworthiness Standards: Aircraft Engines, effective
February 1, 1965, as amended by 33-1 through 33-15, inclusive, including Federal Aviation
Administration Special Condition, NPRM Doc. 24922, Notice 92-14.
DATE OF DATE TC ISSUED
MODEL APPLICATION OR REVISED
912 F2 November 18, 1993 February 2, 1995
912 F3 November 18, 1993 February 2, 1995
912 F4 November 18, 1993 February 2, 1995
912 S2 December 28, 1998 August 12, 1999
912 S3 December 28, 1998 August 12, 1999
912 S4 December 28, 1998 August 12, 1999
14-CFR, part 33, Airworthiness Standards: Aircraft Engines, effective
February 1, 1965, as amended by 33-1 through 33-34, inclusive.
915 iSc2 C24 October 4, 2021 November 23, 2021
915 iSc3 C24 October 4, 2021 November 23, 2021
14-CFR, part 33, Airworthiness Standards: Aircraft Engines, effective
February 1, 1965, as amended by 33-1 through 33-34, inclusive.
912 iSc2 Sport November 3, 2022 March 27, 2023
912 iSc3 Sport November 3, 2022 March 27, 2023
14-CFR, part 33, Airworthiness Standards: Aircraft Engines, effective
February 1, 1965, as amended by 33-1 through 33-34, inclusive.
916 iSc2 A March 24, 2025 March 2, 2026
916 iSc3 A March 24, 2025 March 2, 2026
916 iSc2 C24 March 24, 2025 March 2, 2026
916 iSc3 C24 March 24, 2025 March 2, 2026
The Austrian aviation authority, Austro Control GmbH (ACG), originally type certificated
the 912 engines. The FAA validated this product under U.S. Type Certificate Number
E00051EN. Effective September 28, 2003, the European Aviation Safety Agency (EASA)
began oversight of this product on behalf of ACG.
IMPORT REQUIREMENTS
To be considered eligible for installation on United Sates registered aircraft, each new
engine to be exported to the United States with ACG or EASA airworthiness approval shall
have a Joint Airworthiness Authority (JAA) or EASA Form 1, Authorized Release
Certificate. The JAA or EASA Form 1 should state that the engine conforms to the type
design approved under the U.S. Type Certificate E00051EN, is in a condition for safe
operation and has under gone a final operational check.
NOTES
NOTE 1 ENGINE RATINGS
The power ratings for the 915 iSc C24 series, 916 iSc A series and 916 iSc C24 series for Take-off Power and
Maximum Continuous Power have been determined without accessories (such as governor,etc.)
NOTE 2 TEMPERATURE LIMITS
Models 912 F2 / F3/ / F4 912 S2 / S3/ / S4 915 iSc2 C24
915 iSc3 C24
912 iSc2 Sport
912 iSc3 Sport
916 iSc2 A
916 iSc3 A
916 iSc2 C24
916 iSc3 C24
Max. oil-temperature at
inlet ( C) / ( F)
140/284 130/266 130/266 120/248
Max. cylinder-head
temperature ( C) / ( F)
150/302 135/275 Not Applicable Not Applicable
Max. coolant temperature
( C) / ( F)
120/248 (engine type designation extended with
suffix -01)
120/248 120/248
Monitored via cylinder head temperature,
otherwise monitored via coolant temperature for
engine type designation extended with suffix -01
TCDS E00051EN PAGE 6
NOTE 3
FUEL AND OIL PRESSURE LIMITS
Models 912 F2 / F3 / F4 / S2 / S3 / S4 915 iSc2 C24
915 iSc3 C24
916 iSc2 A
916 iSc3 A
916 iSc2 C24
916 iSc3 C24
912 iSc2 Sport
912 iSc3 Sport
Fuel Pressure 0.15 bar (2.18 psi) – minimum 2.9 bar/42.0 psi 2.8 bar/40.61 psi
0.50 bar (7.25 psi) – maximum 3.2 bar/46.41 psi 3.2 bar/46.41 psi
At inlet to carburetor. The delivery pressure of a
fuel pump connected in series (backing pump)
must not exceed 0.3 bar (4.4 psi) to
ensure not to override the float valve in the
carburetor.
Models 912 F2 / F3 / F4 / S2 / S3 / S4 / 915 iSc2 C24 / 915 iSc3 C24 / 912 iSc2 Sport / 912 iSc3 Sport /
916 iSc2 A / 916 iSc3 A / 916 iSc2 C24 / 916 iSc3 C24
Oil Pressure normal operating range above 3500 rpm: 2.0 bar –5.0 bar (29-72.5 psi)*
idling: 0.8 bar (11.6 psi) – minimum**
starting & warm-up: 7 bar (101.5 psi) – maximum
For 912F up to engine Number 4412.764:
*normal operation: 1.5 bar –5.0 bar (22-73 psi)
**idling: 1.5 bar (22 psi) - minimum
NOTE 4. ACCESSORY DRIVE PROVISIONS LIMITS
Accessory 912
F2
912
F3
912
F4
Rotation,
facing
drive pad
Speed Ratio to crankshaft
i=2.2727 /i=2.4286 **
Maximum
Torque
Overhung
moment
(max.)
Vacuum pump ** --- ** CCW 0.585 : 1 0.548:1** 0.1 Nm/ 0.4 Nm
Governor drive --- * --- CCW 0.585 : 1 0.548:1** 2.0 Nm 1.04 Nm
Tachometer
drive
** ** ** CW 0.25 : 1 --- ---
"---" indicates "does not apply"
"*" standard feature
"**" optional feature
"CW" clockwise
"CCW" counter clockwise
Accessory 912
S2
912
S3
912
S4
Rotation,
facing
drive pad
Speed Ratio, to
crankshaft
i=2.4286
Maximum
Torque
Overhun
g
moment
(max.)
Vacuum pump ** --- ** CCW 0.548:1 0.9 Nm2 0.4 Nm
Governor drive --- * --- CCW 0.548:1 1.8 Nm 1.04 Nm
Tachometer
drive
** ** ** CW 0.25 : 1 --- ---
"---" indicates "does not apply"
"*" standard feature
"**" optional feature
"CW" clockwise
"CCW" counter clockwise
TCDS E00051EN PAGE 7
NOTE 4. ACCESSORY DRIVE PROVISIONS LIMITS (Continued)
Accessory 915 iSc2
C24
915 iSc3
C24
Rotation,
facing drive pad
Speed Ratio,
to crankshaft
i = 2.5454
Maximum
Torque
Overhung
moment
(max.)
Vacuum
pump
** --- CCW 0.518 : 1 0.9 Nm 0.4 Nm
Governor --- * CCW 0.518 : 1 1.8 Nm 1.04 Nm
"---" indicates "does not apply"
"*" standard feature
"**" optional feature
"CW" clockwise
"CCW" counter clockwise
Accessory 912 iSc2
Sport
912 iSc3
Sport
Rotation,
facing drive pad
Speed Ratio,
to crankshaft
i = 2.4286
Maximum
Torque
Overhung
moment
(max.)
Vacuum
pump
** --- CCW 0.548 : 1 0.9 Nm 0.4 Nm
Governor --- * CCW 0.548 : 1 1.8 Nm 1.04 Nm
"---" indicates "does not apply"
"*" standard feature
"**" optional feature
"CW" clockwise
"CCW" counter clockwise
Accessory 916 iSc2 A
916 iSc2 C24
916 iSc3 A
916 iSc3 C24
Rotation,
facing drive
pad
Speed Ratio,
to crankshaft
i = 2.4286
Maximum
Torque
Overhung
moment
(max.)
Vacuum
pump
--- --- CCW 0.518 : 1 0.9 Nm 0.4 Nm
Governor --- * CCW 0.518 : 1 1.8 Nm 1.04 Nm
"---" indicates "does not apply"
"*" standard feature
"**" optional feature
"CW" clockwise
"CCW" counter clockwise
NOTE 5.
MODEL DESCRIPTION:
912 F2 Basic model; four stroke, four cylinder horizontally opposed, one central camshaft, push-rods,
overhead valves, liquid cooled cylinder heads, ram air-cooled cylinders, dry sump forced lubrication,
dual breakerless capacitive discharge ignition, two constant depression carburetors, mechanical fuel
pump, fixed pitch propeller configuration, drive output via reduction gear with integrated shock
absorber and overload protection, electric starter, integrated AC generator, vacuum pump drive
(optional), external generator (optional).
912 F3 Same as described for F2, except; additional drive and adapter for hydraulic governor, hydraulic
governor and propeller shaft for constant speed propeller
912 F4 Same as F3 except; fixed pitch propeller, prepared for hydraulic governor for constant speed
propeller (without drive, adapter and governor).
TCDS E00051EN PAGE 8
NOTE 5.
MODEL DESCRIPTION (Continued)
912 S2 Similar to F2 in I above, except; increased displacement and horsepower, and larger reduction
gearbox.
912 S3 Same as S2 except; additional drive and adapter for hydraulic governor, hydraulic governor and
propeller shaft for constant speed propeller.
912 S4 Same as S3 except; fixed pitch propeller, prepared for hydraulic governor for constant speed
propeller (without drive, adapter and governor).
912 F2/3/4 engine, and
912 S2/3/4 engine type
designation extended with
suffix -01
Same as described above, except; engine temperature measurement methods have been amended
from CHT (cylinder head temperature) and CT (coolant temperature) to only CT (coolant
temperature). Therefore only the coolant temperature limit applies. For further details refer to
Service Bulletins SB-912-066 and SB-912-068 (respectively latest revision).
915 iSc2 C24 Four cylinder horizontally opposed, four stroke piston engine with liquid cooled cylinder heads, ram-
air cooled cylinders, dry sump forced lubrication, turbocharger with intercooler, exhaust system,
controlled by a dual channel Full Authority Digital Engine Control (FADEC) system for ignition and
injection and a regulator type with a 28V System Interface for power exchange to and from a 28V
aircraft system. The engine is equipped with a reduction gear box with integrated torsion shaft,
dampening clutch and overload protection clutch to reduce the crankshaft speed to the designed
propeller shaft speed.
915 iSc3 C24 Same as described for 915 iSc2 C24, except; additional drive and adapter for hydraulic governor
propeller shaft for constant speed propeller
912 iSc2 Sport Four cylinder horizontally opposed, four stroke piston engine with liquid cooled cylinder heads, ram-
air cooled cylinders, dry sump forced lubrication, 2 electrical fuel pumps, exhaust system, controlled
by a dual channel Full Authority Digital Engine Control (FADEC) system for ignition and injection.
The engine is equipped with a reduction gear box with integrated shock absorber (dog clutch type)
and overload protection to reduce the crankshaft speed to the designed propeller shaft speed.
912 iSc3 Sport Same as described for 912 iSc2 Sport, except; additional drive and adapter for hydraulic governor
propeller shaft for constant speed propeller
916 iSc2 A Four cylinder horizontally opposed, four stroke piston engine with liquid cooled cylinder heads, ram-
air cooled cylinders, dry sump forced lubrication, turbocharger with intercooler, exhaust system,
controlled by a dual channel Full Authority Digital Engine Control (FADEC) system for ignition and
injection. The engine is equipped with a reduction gear box with integrated torsion shaft, dampening
clutch and overload protection clutch to reduce the crankshaft speed to the designed propeller shaft
speed and an adjustable exhaust system.
916 iSc3 A Same as described for 916 iSc2 A, except; additional drive and adapter for hydraulic governor
propeller shaft for constant speed propeller
916 iSc2 C24 Four cylinder horizontally opposed, four stroke piston engine with liquid cooled cylinder heads, ram-
air cooled cylinders, dry sump forced lubrication, turbocharger with intercooler, exhaust system,
controlled by a dual channel Full Authority Digital Engine Control (FADEC) system for ignition and
injection and a regulator type with a 28V System Interface for power exchange to and from a 28V
aircraft system. The engine is equipped with a reduction gear box with integrated torsion shaft,
dampening clutch and overload protection clutch to reduce the crankshaft speed to the designed
propeller shaft speed and an adjustable exhaust system.
916 iSc3 C24 Same as described for 916 iSc2 C24, except; additional drive and adapter for hydraulic governor
propeller shaft for constant speed propeller
NOTE 6 TYPICAL AIRCRAFT ACCESSORIES, COMPONENTS, OR SYSTEM ASSEMBLIES, WITH
AIRCRAFT LEVEL REQUIREMENTS, PROVIDED AS PART OF ENGINE TYPE DESIGN:
Not applicable
TCDS E00051EN PAGE 9
NOTE 7 AIRCRAFT ACCESSORIES, COMPONENTS, OR SYSTEM ASSEMBLIES INSTALLED ON THE
ENGINE BUT ARE NOT PROVIDED AS PART OF ENGINE TYPE DESIGN
Not applicable
NOTE 8 SPECIAL ANTI-ICING OR DE-ICING REQUIREMENTS
Not applicable
NOTE 9 ENGINE MOUNT SYSTEM PROVISIONS
See Installation and Maintenance Manuals
NOTE 10 POWER BOOST, INJECTION OR AUGMENTATION SYSTEMS AND LIMITS AS APPLICABLE
The 915 iSc C24 series, 916 iSc A series and 916 iSc C24 series engines are equipped with a turbocharger with
intercooler.
NOTE 11 SPECIAL INSTALLATION REQUIREMENTS
Engine weight is defined as the following configurations:
912 F2 / F4/ S2 / S4: With ignition unit and internal generator, carburetors, overload clutch, oil tank and
electric starter, but without the muffler and radiator.
912 F3 / S3: As above and with propeller flange P.C.D. 75/80 mm / 4", drive and adapter for
hydraulic governor for constant speed propeller.
Alternator (external): 3.0 kg (6.6 lbs).
915 iSc2 C24 With base engine with gearbox and turbocharger, cooling air baffle,wiring harness,
sensors, intermediate flange with overboost valve, air hose and clamps, magneto
valve block with holes, ECU, fuse box, 28V AC/DC converter, oil tank, intercooler,
exhaust system. Without fuel pumps assy, radiator, oil cooler governor and
governor drive.
915 iSc3 C24 As 915 iSc2 C24 but w ith governor drive.
912 iSc2 Sport With electric system: wiring harness ECU, fuse box and start relay. With oil tank.
Without engine suspension frame, exhaust system, fuel pumps assy., cooling baffle
radiator, oil cooler, governor and governor drive.
912 iSc3 Sport As 912 iSc2 Sport but w ith governor drive
916 iSc2 A With base engine with gearbox and turbocharger, cooling air baffle, wiring harness,
sensors, intermediate flange with overboost valve, air hose and clamps, magneto
valve block with hoses, ECU, fusebox, oil tank, intercooler, exhaust system Without
fuel pumps assy., radiator and oil cooler, governor and governor drive.
916 iSc3 A As 916 iSc2 A but with governor drive
916 iSc2 C24 With base engine with gearbox and turbocharger, cooling air baffle, wiring harness,
sensors, intermediate flange with overboost valve, air hose and clamps, magneto
valve block with hoses, ECU, fusebox, 28V AC/DC converter, oil tank, intercooler,
exhaust system Without fuel pumps assy., radiator and oil cooler, governor and
governor drive.
916 iSc3 C24 As 916 iSc2 C24 but with governor drive
TCDS E00051EN PAGE 10
Generator and Alternator Operation: The optional external alternator was certified with the engine under 14-
CFR, Part 33, using some of the standards specified in Aerospace Standard AS 8020. Compliance to the AS 8020
standard for parallel operation of the external alternator and internal generator has not been demonstrated.
Vacuum Pump: The propeller shaft driven vacuum pump is optional for the 912 F2/S2/F4/S4 series engine
models, and not applicable, nor available, for the 912 F3/S3 series engine model. During 14-CFR, Part 33
certification of the 912 series engine models, compliance for the vacuum pump has only been shown to the
attachment requirements of 14-CFR, Part 33.25.
The text continues in the data sheet PDF and in this page’s Markdown copy.