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4Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first pageFlight OpsSupport

TechnicalFeatures

TechnicalFeatures

Normal Operating Considerations

Flight phases, ops recommendations

Normal Operating Considerations

Flight phases, ops recommenda

tionsReducedTakeOffThrust

ReducedTakeOffThrust

Overview

Overview

CFM56 General

CFM56 General

EngineCertification & Testing

EngineCertification & TestingOperationalCharacteristcs

EGTMargin, OATL

OperationalCharacteristcs

EGTMargin, OATL

5Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

6Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

The CFM56 coreisbasedon the GE F101 engine

(developedfor the B-1 bomber) and employsa single-stage high-pressure turbine to drive a nine- stage compressor. Correspondingly, a Snecma advancedfour-or five-stage, low-pressure turbine drives the Snecma fan and booster. -LP system -Installations -Gearbox -Controls and accessories -Core engine -System integration -FADEC/MEC systemsA jointly owned company

EFECTIVE 50/50

WORK SPLIT

An effective division of

labordictatesexactly how the companies allocatetheir manufacturing resources. This work split acknowledgesthe technological achievementsof both

Snecma©sand GE

AircraftEngines©

respective organizations

CFM General

CFM General

7Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

EI Q

Iµ°®=>B½³®

8Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

THE WORLDTHE WORLD

S MOST POPULAR ENGINES MOST POPULAR ENGINE

CFM General

CFM General

Around 20,000

CFM56 on

commitment (options & spares included) 536

Operators / Customers & VIP

6,012 A/C /

15,066

engines in service 294
million Engine Flight Hours & 173
million Engine Flight Cycles •1 aircraft departure every 4 seconds

CFM56 Family Today

CFM56 Family Todayas of July 31, 2005

A320-100/-200

A321-100/200

A340-200

A340 Enhanced

DC-8-71/-72/-73737-300

737-500

E-3KC-135R

E-6C-135FRA319

737-800737-600

KE-3RC-135737-900

A318

A340-300C-40

737-400

737-700

B737 AEW&C

MMA

9Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

Engine Fleet Status

Engine Fleet Status

CFM56 as of July 31, 2005

CFM General

CFM General

10Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

CFM56 as of July 31, 2005

Reliability Rates

Reliability Rates

(Rate/Number of events)(Rate/Number of events)

CFM General

CFM General

*(Total includes engine cause and other related engine events such as FOD, Customer Convenience,...)**(Per 1,000 EFH)

***(Per 1,000 Departures)

12-Month Rolling Rate

11Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

100M EFH IN 1997 ...200M IN 2002 ...300M IN 2005

A CFM-POWERED AIRCRAFT TAKES OFF EVERY 4 SECONDS

Experience and ForecastExperience and Forecast

0511T-V 08/03

0102030405060708090100110120130140150

Super 70737-300A320737-400737-500A340A321-100A319A321-200737-700737-800737-600

CFM56 FLEET

160170180

2001

200220032004

2005

190200210220230240250260270280290300

737-900A318

CFM56-5 FLEETCFM56-3 / -7B FLEET

CFM General

CFM General

12Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

NEW ENGINES BUILT ON CFM56 RECORD-SETTING

ON-WING EXPERIENCE

CFM56 Engine High Times

CFM56 Engine High Times

CFM56 engines built around the

single stage HPT concept

PROVEN OVER

242M EFH

WORLDWIDE RECORD

FOR CFM56-3

on-wing life without removal

20,000 cycles20,000 cycles

* Longest intervals achieved on wing without removal

40,729 hours / 17,504 cycles40,729 hours / 17,504 cycles

First engine removal on Sept. 05, 2003First engine removal on Sept. 05, 2003

World records for high cycle operations

0921H RELALLM0803A

CFM56-5A

CFM56-5B

CFM56-5C

CFM56-2CCFM56-7B

CFM56-3

41,247

22,761

48,300

50,77524,500

56,850

30,684

19,966

9,345

19,98513,945

56,178

ENGINETSNCSNEFHEFCHigh Time EngineHighest on Wing life*

30,631

22,628

31,899

22,61424,50040,729

15,300

13,985

6,491

8,54112,57120,000

As of December 31, 2003

13Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

Flight OpsSupport

TechnicalFeatures

TechnicalFeatures

Normal Operating Considerations

Flight phases, ops recommendations

Normal Operating Considerations

Flight phases, ops recommendations

ReducedTakeOffThrust

ReducedTakeOffThrust

CFM56 General

CFM56 General

EngineCertification & Testing

EngineCertification & TestingOperationalCharacteristcs

EGTMargin, OATL

OperationalCharacteristcs

EGTMargin, OATL

14Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

1.5 bearings

Ball (B) bearings absorb axial loads

Roller (R) bearings absorb radial loads

2.2 sumps

3.2 frames: Fan frame and turbine rear frame

4.LPC, Low Pressure Compressor

1 fan stage

3 or 4 booster stages

5.HPC, High Pressure Compressor

9 rotor stages, 4 variable stages, 5 fixed stator stages

6.HPT, High Pressure Turbine

Single-stage turbine nozzle

Single-stage turbine rotor

7.Combustor

Single annular combustor

Dual annular combustor (optional on CFM56-5B and CFM56-7B)

8.LPT, LowPressure Turbine

4 or 5 stages

9.3 gearboxarrangements

Inlet, transfer, accessory

CFM56 Common Architecture

CFM56 Common Architecture

All CFM56 engines have

STA 0

STA 12STA 3STA 25STA 49,5

1 6 8

STA 0 : Ambientcondition

STA 12 : Fan inlet

STA 25 : HP inlet

STA 3 : HP compressordischarge

STA 49,5: EGT mesuringplane

N1 (~ 5000 RPM at100%)

N2 (~ 15000 RPM at100%)

5 7

5 bearings

1 B 2 R 3 B 4 R 5 R 2 4 9 3 2 3

Flow pathair temperaturerise

15Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

SAME ENGINE FOR 2 A/C APPLICATIONS

CFM56-5A Family

CFM56-5A Family

-5A1

25 Klbs-5A3

26.5 Klbs-5A4

22 Klbs-5A5

23.5 Klbs

A320A319

Engine

Engine

Ratings & Applications

Ratings & Applications

16Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

1. ConipticalSpinnerMinimizesiceaccretion

Maximizeshailingetioncapability

2. Fan36 titaniumfan blades

3D aerodesign

efficiency90%

3. Booster4 stages

New 3D aerodesign

4. HPCHigh Pressure Compressored

Hard coatedblades

HIGH PERFORMANCE

LOW DETERIORATION DESIGN5. HPTHigh Pressure Turbine

ECUoptimizedHPTCC

IMPROVED EFFICIENCY & IMPROVED DURABILITY

6. LPTLowPressure Turbine

LPTACC modulatedcoolingflow

IMPROVED PERFORMANCE & INCREASED T°CAPABILITY

1 2 3 4 5 6

CFM56 -5B

CFM56 -5B 7

7. Combustion Chamber20 Fuel nozzles

2 Igniters

Burner Staging Valve

DAC option

40 fuel nozzles

LOWER EMISSIONS

17Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

CFM56-5B/P

CFM56-5B/P

IMPROVEMENTS

IMPROVEMENTS

1 23

1. HPC3-D aero HPC compressor

2. HPTLatest HPT blade design

•Increased cooling

3. LPTRedesigned New LPT stage 1 nozzle

Key Changes

Key Changes

18Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

-5B1/P

30 Klbs -5B2/P

31 Klbs -5B3/P

32 Klbs -5B4/P

27 Klbs -5B5/P

22 Klbs -5B6/P

23.5 Klbs

-5B7/P

27 Klbs -5B8/P

21.6 Klbs

-5B9/P

23.3 Klbs

A321 A320 A319 A318

SAME ENGINE FOR 4 A/C APPLICATIONS

Engine Ratings & ApplicationsEngine Ratings & Applications

CFM56-5BFamily

CFM56-5BFamily

Thrust rating

CFM56-5BX/P CFM56-5BX/2P

New 3D aérodesignDAC option

19Flight Operations Support

10 September 2005

CFM PROPRIETARY INFORMATION

Subjectto restrictions on the coveror first page

CFM56-5B3/P Nameplate

CFM56-5B3/P Nameplate

The reference certified thrust level at Take Off for CFM56-5B3/P is 32,000lbf (nameplate) •It corresponds to a sea level static thrust level The CFM56-5B3/P thrust rating has a Mach Bump to maximize aircraft performance

Thrust

equivalent toequivalent to Current 5B3/P rating ( including Mach Bump)Current 5B3/P rating ( including Mach Bump)

33,000lbf33,000lbf

quotesdbs_dbs24.pdfusesText_30

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