- Holder
- CFM International S.A.
- Revision
- 13
- Revised
- February 17, 2022
- Status
- Current
- Product
- Engine
- Certification basis
- Part 33
- Models
- 6
The release keeps the latest revision of each data sheet. Model names are as the data sheet lists them.
On this page
Models · 6
| Model | Also known as | Note |
|---|---|---|
| CFM56-2B | ||
| CFM56-2 | ||
| CFM56-3B | ||
| CFM56-2A | ||
| CFM56-3 | ||
| CFM56-3C |
Airworthiness directives · 0
ADs whose products are models on this data sheet, matched by model and maker.
No ADs matched this data sheet’s models
STCs approved under this data sheet · 3
STC SE00032ENInstallation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Fan/Booster Module.STC SE00033ENInstallation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 High Pressure Compressor ModuleSTC SE00035ENInstallation of Pratt & Whitney (P&W) Global Material Solutions (GMS) CFM56-3 Low Pressure Turbine Module
What the data sheet says
From the PDF’s text layer, line by line: tables lose their columns. The PDF is the record.
I
TCDS NUMBER E21EU
U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
TYPE CERTIFICATE DATA SHEET E21EU
REVISION: 13*
DATE: February 17, 2022
CFM INTERNATIONAL, S.A.
MODELS:
CFM56-2 CFM56-3
CFM56-2A CFM56-3B
CFM56-2B CFM56-3C
Engines of models described herein conforming with this data sheet (which is part of Type Certificate Number E21EU) 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: CFM International, S.A.
2 Boulevard du General Martial Valin
75015 Paris, France
I. MODELS (See NOTE 12) CFM56-2 CFM56-2B CFM56-2A CFM56-3 CFM56-3B
TYPE
RATINGS (See NOTE 4)
High bypass turbofan; coaxial front fan/booster driven by multi-stage low pressure turbine,
multi-stage compressor with one stage turbine and annular combustor.
Takeoff (5 min., see NOTE 16),
sea level, static thrust, lb./daN.
Maximum continuous, sea level
static thrust, lb.
Flat rating
Takeoff
Maximum continuous
FUEL SYSTEM
Fuel Control, Woodward
24,000/10,676
23,000/10,230
22,000/9,786
21,580/9,599
24,000/10,676
23,405/10,411
20,100/8,941
18,900/8,407
22,100/9,830
20,500/9,118
AMBIENT TEMPERATURE
86oF / 30oC
77oF / 25oC 90oF/32.2oC - - 95oF / 35oC - - 86oF / 30oC - - - -- -
See NOTE 8 for approved fuels
GE PART NO.
9378M47 9278M96 1323M36 9368M57 9387M15
9275M73
CIT Sensor, Woodward 9178M37 - - - - 9334M96 - -
Power Management Control, GE 7076M20 7084M61 7129M23 7090M98 7125M15
7157M60 7157M61 7157M64 7139M84 7139M91
7045M91 --- --- 7157M62 7157M63
7157M66 7157M67
*
PAGE 1 2 3 4 5 6 7 8
REV. 13 12 12 12 11 12 12 11
LEGEND: "- -" INDICATES "SAME AS PRECEDING MODEL"
"---" NOT APPLICABLE
NOTE: SIGNIFICANT CHANGES ARE BLACK-LINED IN THE LEFT MARGIN.
I
I
TCDS E21EU PAGE 2
II. MODELS (See NOTE 12) CFM56-3C
TYPE
RATINGS (See NOTE 4)
High bypass turbofan; coaxial front fan/booster driven by multi-stage low pressure turbine,
multi-stage compressor with one stage turbine and annular combustor.
Takeoff (5 min., see NOTE 16),
sea level, static thrust, lb./daN
Maximum continuous, sea level
static thrust, lb.
Flat rating
Takeoff
Maximum continuous
FUEL SYSTEM
Fuel Control, Woodward
23,515/10,460
21,850/9,719
AMBIENT TEMPERATURE
86oF / 30oC
77oF / 25oC
See NOTE 8 for approved fuels
GE PART NO.
1459M27
9387M15
CIT Sensor, Woodward 9334M96
Power Management Control, GE 7147M10
7157M68
I. MODELS (Continued) CFM56-2 CFM56-2B CFM56-2A CFM56-3 CFM56-3B
FUEL SYSTEM (Cont.)
Fuel Pump, TRW
SAFRAN PART NUMBER
301-776-101-0 301-776-101-0 301-779-101-0 301-778-801-0 - -
Combined boost and single 301-776-102-0 301-776-102-0 301-779-102-0 301-778-802-0 - -
element gear type pump 301-776-103-0 301-776-104-0 301-779-103-0 301-778-804-0 - -
301-776-104-0 301-776-105-0 --- 301-778-805-0 - -
301-776-105-0 301-776-106-0 --- 301-778-806-0 - -
301-776-106-0 301-776-109-0 --- 301-779-001-0 - -
301-776-108-0 301-776-111-0 --- 301-779-002-0 - -
301-776-109-0 301-776-112-0 --- 301-779-005-0 - -
301-776-110-0 301-776-113-0 --- 301-779-006-0 - -
301-776-111-0 301-776-114-0 --- 301-779-007-0 - -
301-776-112-0 301-776-115-0 --- --- ---
301-776-113-0 301-779-001-0 --- --- ---
301-776-114-0 301-779-005-0 --- --- ---
301-776-115-0 301-779-007-0 --- --- ---
301-778-801-0 301-779-101-0 --- --- ---
301-778-802-0 301-779-102-0 --- --- ---
301-778-804-0 301-779-103-0 --- --- ---
301-778-805-0 --- --- --- ---
301-778-806-0 --- --- --- ---
301-779-001-0 --- --- --- ---
301-779-002-0 --- --- --- ---
301-779-005-0 --- --- --- ---
301-779-006-0 --- --- --- ---
301-779-007-0 --- --- --- ---
Fuel/Oil Heat Exchanger 301-771-402-0 301-771-402-0 301-779-401-0 301-776-401-0 - -
301-771-403-0 301-779-401-0 301-779-402-0 301-776-402-0 - -
301-771-404-0 301-779-402-0 --- 301-776-403-0 - -
301-780-501-0 - -
Servo Fuel Heater 301-772-901-0 301-772-901-0 301-779-501-0 301-776-501-0 - -
301-779-501-0 301-779-502-0 301-776-502-0 - -
301-779-502-0 --- --- ---
I
TCDS E21EU PAGE 3
I. MODELS (Continued) CFM56-2 CFM56-2B CFM56-2A CFM56-3 CFM56-3B
OIL
Models CFM56-2/-2B/-2A
Models CFM56-3/-3B/-3C
IGNITION SYSTEM
Two ignition units
Synthetic type conforming to GE Specification D50TF1, Type 1 or 2. CFM Service Bulletin
(CFM56-2) 79-0001 lists approved oil brands.
Synthetic type conforming to GE Specification D50TF1, Type 1 or 2. CFM Service Bulletin
(CFM56-3/-3B/-3C) 79-0001 lists approved oil brands.
GE PART NO.
9238M66 - - - - - - - -
1538M69 - - - - - - - -
9101M52
Two igniter plugs 1153M38 9275M71 - - - - - -
1374M12 - - - - - - - -
1153M38 9276M36 - - - - - -
PRINCIPAL DIMENSIONS
Length, (fan case forward
flange to LPT rear frame aft
flange)
1374M13 - - - - - - - -
INCHES / MILLIMETERS
95.7/2430 - - - - 93.1/2364 - -
Width, (fan casing forward
flange diameter)
72.04/1830 - - - - 63.39/1610 - -
Height, (bottom of accessory
gearbox to top of fan casing
forward flange)
WEIGHT (dry)
Pounds / Kilograms
CENTER OF GRAVITY
LOCATIONS
Inches
Millimeters
84.25/2140 - - - - 66.61/1692 - -
Includes basic engine accessories and optional equipment as listed in manufacturers engine
specification, including engine mounted portions of the condition monitoring instrumentation.
4711/2139 - - 4850/2200 4309/1954 4334/1966
STATION, ENGINE ONLY (REFER TO INSTALLATION DRAWING)
206+1 - - 205+1 209+1 - -
5233+25 - - 5220+25 5319+25 - -
II. MODELS (Continued) CFM56-3C
FUEL SYSTEM (Cont.)
Fuel Pump, TRW
SAFRAN PART NUMBER
301-778-802-0
Combined boost and single 301-779-001-0
element gear type pump 301-779-002-0
Fuel/Oil Heat Exchanger 301-776-401-0
301-776-402-0
301-776-403-0
301-780-501-0
Servo Fuel Heater 301-776-501-0
OIL
Models CFM56-2/-2B/-2A
Models CFM56-3/-3B/-3C
IGNITION SYSTEM
Two ignition units
301-776-502-0
Synthetic type conforming to GE Specification D50TF1, Type 1 or 2. CFM Service Bulletin
(CFM56-2) 79-0001 lists approved oil brands.
Synthetic type conforming to GE Specification D50TF1, Type 1 or 2. CFM Service Bulletin
(CFM56-3/-3B/-3C) 79-0001 lists approved oil brands.
GE PART NO.
9238M66
1538M69
Two igniter plugs 9275M71
1374M12
9276M36
1374M13
I
-
-
TCDS E21EU PAGE 4
II. MODELS (Continued) CFM56-3C
PRINCIPAL DIMENSIONS
Length, (fan case forward
flange to LPT rear frame aft
flange)
INCHES / MILLIMETERS
93.1/2364
Width, (fan casing forward
flange diameter)
63.39/1610
Height, (bottom of accessory
gearbox to top of fan casing
forward flange)
WEIGHT (dry)
Pounds / Kilograms
CENTER OF GRAVITY
LOCATIONS
Inches
Millimeters
66.61/1692
Includes basic engine accessories and optional equipment as listed in manufacturers engine
specification, including engine mounted portions of the condition monitoring instrumentation.
4334/1966
STATION, ENGINE ONLY (REFER TO INSTALLATION DRAWING)
209+1
5319+25
CERTIFICATION BASIS Code of Federal Regulations Part 33 effective February 1, 1965, with Amendments 33-1
through 33-6 thereto. In addition, the engines are in compliance with the emissions
requirements of Special Federal Aviation Regulation No. 27-5. Exemption No. 2641 from
compliance with 14 CFR §33.88 issued Nov. 20, 1978, Exemption No. 2850 from
compliance with 14 CFR §33.7 issued October 31, 1979, and Exemption No. 83-ANE-001E
from compliance with 14 CFR §33.14 issued July 27, 1983.
APPLICATION TYPE CERTIFICATE TYPE CERT.
MODEL DATE ISSUED/AMENDED WITHDRAWN
CFM56-2 AUG 07, 1975 NOV 08, 1979
CFM56-2B JUL 28, 1981 JUN 25, 1982
CFM56-3 SEP 17, 1980 JAN 12, 1984
CFM56-3B MAR 05, 1984 JUN 19, 1984
CFM56-2A DEC 15, 1983 JUN 06, 1985
CFM56-3C APR 07, 1986 DEC 18, 1986
The Direction Generale de L'Aviation Civile (DGAC) originally type certificated these
engine models under DGAC Certificate de Type Moteur M9. The FAA validated these
products under US Type Certificate Number E21EU. Effective September 28, 2003, the
European Aviation Safety Agency (EASA) began oversight of these products on behalf of
France.
PRODUCTION BASIS The original production basis was French "Agreement de Production" No. F.G.007 or P03
issued by Direction Generale de l'Aviation Civile (DGAC) for engines produced in France by
SNECMA (now SAFRAN) under license from CFM International, S.A. Effective September
28, 2004, these engine models were produced under European Aviation Safety Agency
(EASA) Production Certificate FR.21G.0007. (See NOTE 11).
IMPORT REQUIREMENTS To be considered for installation on aircraft registered in the United States, each individually
imported engine must be accompanied by EASA airworthiness approval certificate (EASA
Form 1 – Authorized Release Certificate) or JAA Form 1 issued by SAFRAN on behalf of
EASA under EASA Production Certificate FR.21G.0007.
The EASA Form 1 – Authorized Release Certificate, or JAA Form 1, should contain the
following statement: ‘The engine covered by this certificate has been examined, tested, and
found to conform to U.S. Type Certificate Number E21EU and to be in a condition for safe
operation.’
See NOTE 11. For further information.
I
TCDS E21EU PAGE 5
NOTES
MODELS CFM56-2 CFM56-2B CFM56-2A CFM56-3 CFM56-3B CFM56-3C
NOTE 1.
TURBINE EXHAUST GAS
(T495)
Takeoff (5 min., see NOTE 16)
Takeoff Transient (20 sec.)
Maximum continuous
Starting
Time temperature envelope
Refer to model's S.O.I.
OIL (See NOTE 15)
Continuous operation
Transient (15 minutes)
NOTE 2.
Fuel limits
Oil limits
Refer to model's S.O.I.
NOTE 3.
STARTER
Rotation (1)
Speed ratio to core
Maximum torque (in-lbs)
Continuous
Static
Maximum overhung moment
(in-lbs)
ELECTRICAL
Rotation (1)
Speed ratio to core
Maximum torque (in-lbs)
Continuous
Static
Maximum overhung moment
(in-lbs)
FORWARD HYDRAULIC PUMP
Rotation (1)
Speed ratio to core
Maximum torque (in-lbs)
Continuous
Static
Maximum overhung moment
(in-lbs)
AFT HYDRAULIC PUMP
Rotation (1)
Speed ratio to core
Maximum torque (in-lbs)
Continuous
Static
Maximum overhung moment
(in-lbs)
MAXIMUM PERMISSIBLE TEMPERATURES
For engine configurations designated by a suffix for specific installation (see NOTE 12), refer to
the appropriate S.O.I. for maximum operating temperatures.
As measured by a harness of six or nine thermocouples located at the second stage low pressure
turbine vanes.
905oC
---
870oC
TP.O1.6
- -
---
- -
TP.01.7
930oC
---
895oC
TP.01.10
- -
940oC
- -
TP.01.9
- -
- -
- -
- -
- -
- -
- -
- -
Refer to the appropriate installation manual and S.O.I.
140oC
155oC
160oC
175oC
140oC
155oC
160oC
165oC
- -
- -
- -
- -
FUEL AND OIL PRESSURE LIMITS
Refer to the appropriate installation manual
TP.01.6 TP.01.7 TP.01.10 TP.01.9 - - - -
ACCESSORY DRIVE PROVISIONS (see also next page)
CW
1.343:1
4,150
10,444
300
CW
1.343:1
4,150
10,444
300
CW
1.343:1
4,900
9,700
340
CCW
0.996:1
5,400
13,370
300
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
CW
0.561:1
(125 kw)
10,900
2,100
CW
0.561:1
(125 kw)
10,900
2,100
CW
0.5823:1
165 hp
7,000
1,600
CW
0.562:1
2,500/135 kw
8,800
2,500
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
CCW
0.254:1
1,500
6,398 (2)
500
---
---
---
---
---
CW
0.255:1
1,000
4,400
400
CW
0.255:1
1,500
4,400
500
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
CW
0.254:1
1,000
6,398 (2)
400
CW
0.254:1
2,390
6,398
400
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
---
(1) CW = CLOCKWISE / CCW = COUNTERCLOCKWISE
(2) Total torque for forward and aft hydraulic pump drives must not exceed 6,398 in-
pounds static.
TCDS E21EU PAGE 6
NOTE 4. Engine ratings are based on calibrated stand performance under the following conditions:
For the CFM56-2/-3/-3B/-3C, takeoff thrust is nominally independent of ambient temperature
(flat rated) up to ambient temperature of Std + 15oC; for the CFM56-2B, Std +17.2oC; and for
the CFM56-2A, Std +20oC;
Maximum continuous is nominally independent of ambient temperature (flat rated) to Std
+10oC;
Zero customer bleed and horsepower extraction;
No scrubbing drags;
100% inlet recovery; and
Based on CFM International referee separate flow exhaust system.
NOTE 5. Fan exhaust/reverser system models CFM56-FR02B and CFM56-FR03B are approved for
incorporation on CFM56-2 and CFM56-2A engine models, respectively, in accordance with 14
CFR Part 33.
NOTE 6.
MODELS CFM56-2 CFM56
-2B
CFM56-
2A
CFM56-3 CFM56-
3B
CFM56-3C
MAXIMUM PERMISSIBLE ENGINE ROTOR SPEEDS
Low Pressure
Rotor (N1), rpm
High Pressure
Rotor (N2), rpm
5,280 (102%)
15,183 (105%)
- -
- -
- -
- -
5,490 (106%)
- -
- -
- -
- -
- -
NOTE 7. Maximum permissible air bleed extraction: Refer to the appropriate Installation Manual.
NOTE 8. Approved fuel conforming to GE Specification D50TF2. MIL-T-5624, Grades JP-4 or JP-5,
ASTM D1655, Jet A, A1, and B are consistent with this GE specification.
PRIMARY FUEL
For the CFM56-2/-3/-3B/-3C, the primary fuel is Jet A.
For the CFM56-2A/-2B, the primary fuel is JP4.
AVIATION GASOLINE, MOTOR GASOLINE, EMERGENCY FUELS, AND FUEL
ADDITIVES
For the CFM56-2/-3/-3B/-3C use of aviation gasoline is not authorized. Consult appropriate
Operating Manual for additive usage.
For the CFM56-2B and -2A use of aviation gasoline and motor gasoline is authorized for periods
not to exceed six hours. Consult appropriate Operating Manual for action following use of
emergency fuels and for additive usage.
For limitations on use of emergency fuels with the CFM56-2B and -2A, consult the appropriate
Installation Manual.
NOTE 9. Life limits established for critical rotating components are published in each model's Shop Manual.
NOTE 10. Power setting, power checks and control of engine thrust output in all operations is to be based on
CFM engine charts referring to fan speed. Fan speed sensors are included in the engine assembly
for this purpose.
TCDS E21EU PAGE 7
NOTE 11. The type certificate holder, CFM International, S.A., is a company established and jointly owned
by SAFRAN Aircraft Engines, formerly SNECMA, of France and the General Electric Company
for the certification, sale, and support of CFM56 series engines. With respect to the benefits of
type certification for production, SAFRAN and General Electricfunction as licensees of CFM
International, S.A.
This type certificate applies only to engines produced in France under DGAC Certificate de Type
Moteur M9. Engines of the same model designation produced in the United States under Type
Certificate No. E2GL are identical to and fully interchangeable with engines produced under this
type certificate. Similarly, modules, assemblies, or parts produced in the United States under
Production Certificate No. 108 are eligible for use in engines produced under this type certificate.
Refer to the applicable bilateral agreement to verify eligibility for import into the United States of
both new and used aircraft based on the scope of the agreement, to identify any required statements
by the exporting authority on the export certificate of airworthiness (or equivalent document ), and
for procedures for coordinating exceptions to conformity statements on these documents. Refer to
FAA Order 8130.2, Airworthiness Certification of Aircraft, for requirements for issuance of an
airworthiness certificate for imported aircraft.
For a list of the applicable engine serial numbers refer to the latest revisions of following Service
Bulletins:
CFM56-2A Service Bulletin 72-0649 "CFM56-2A Engine Serialization Manufacturing Sequence"
or
CFM56-2B Service Bulletin 72-0801 "CFM56-2B Engine Serialization Manufacturing Sequence"
or
CFM56-2C Service Bulletin 72-1040 "CFM56-2C Engine Serialization Manufacturing Sequence"
or
CFM56-3 Service Bulletin 72-1175 "CFM56-3 Engine Serialization Manufacturing Sequence"
Effective September 28, 2004, engines produced by SAFRAN were produced under EASA
Production Certificate FR.21G.0007.
NOTE 12. A suffix may be added to the basic engine model number on the engine nameplate to identify minor
variations in engine configuration, installation components or reduced ratings peculiar to aircraft
installation requirements. For example: CFM56-2-xx.
Engines that have a suffix added to the basic model number are identified in CFM International
Service Bulletins, and are summarized below:
Engine Model Service Bulletin No. Application
CFM56-2-C1/-C5 72-0001 (CFM56-2) DC8-71/-72/-72F/-73
CFM56-2-C2 72-0001 (CFM56-2) None
CFM56-2-C3/-C6 72-0001 (CFM56-2) DC8-72F
CFM56-2A-2/-3 72-0001 (CFM56-2A) No Commercial Application
CFM56-2B-1/-2 72-0001 (CFM56-2B) No Commercial Application
CFM56-3-B1 72-0001(CFM56-3/-3B/-3C) 737-300/-500
CFM56-3B-2 72-0001 (CFM56-3/-3B/-3C) 737-300/-400
CFM56-3C-1 72-0001 (CFM56-3/-3B/-3C) 737-300/-400/-500
NOTE 13. For the CFM56-3/-3B/-3C models, the throat area of the inlet installed on the engine shall not
exceed 2700 sq. in. (1.742 sq. meters) of area.
TCDS E21EU PAGE 8
NOTE 14. For inflight operation during icing conditions:
For the CFM56-2 series engines, the minimum permissible N1 RPM is 37 percent. However,
momentary N1 excursions below 37 percent, not to exceed 60 seconds duration, are permissible for
approach and landing operation below 10,000 feet pressure altitude.
For CFM56-2 series engines which are equipped with 43 percent rich pilot fuel nozzles, in
accordance with CFM56-2 Service Bulletin Number 73-0047, the minimum permissible N1 RPM
for inflight operation is 29 percent.
For CFM56-3/-3B/-3C engines, the minimum permissible N1 RPM for inflight operation during
icing conditions is 21.8 percent.
NOTE 15. The oil temperature for the CFM56-2B, CFM56-3, CFM56-3B, and CFM56-3C is measured at the
scavenge pump discharge. The oil temperature for the CFM56 -2A and CFM56-2-C series engines
is measured at the supply pump discharge.
The transient limit is defined as 15 minutes for all models except for the CFM56-2B. The transient
limit is defined as 10 minutes for the CFM56-2B.
The continuous operation and transient oil temperature limits for the CFM56-2-C1, -2-C3,
-2-C5, and -2-C6 is 140oC and 155oC respectively. The continuous operation and transient oil
temperature limits for the CFM56-2-C2 is 150oC and 155oC respectively. Refer to S.O.I. TO.01.6.
NOTE 16. The normal 5 minute takeoff rating may be extended to 10 minutes for engine out contingency for
the CFM56-3/-3B/-3C.
NOTE 17. Installation Manuals, Specific Operating Instructions, Service Bulletins, Overhaul and Maintenance
Manuals, Repair Manuals, Vendor Manuals, and Design Changes which contain a statement that
the document is EASA approved or approved under authority of DOA No. EASA.21J.086 or for
approvals made before September 28, 2003 by DGAC are accepted by the FAA and considered
FAA approved. Repair data and related instructions are considered FAA approved or accepted as
applicable. These approvals pertain to the type design only.
----END----