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11
Flight Operations Support
10 September 2005
CFM PROPRIETARY INFORMATION
Subject to restrictions on the cover or first pa ge
100M EFH IN 1997 … 200M IN 2002 … 300M IN 2005
A CFM-POWERED AIRCRAFT TAKES OFF EVERY 4 SECONDS
Experience and Forecast
0511T-V 08/03
1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
Super 70 737-300 A320
737-400
737-500
A340
A321-100
A319
A321-200
737-700
737-800
737-600
CFM56 FLEET
160
170
180
2001 2002 2003 2004 2005
190
200
210
220
230
240
250
260
270
280
290
300
737-900
A318
CFM56-5 FLEET
CFM56-3 / -7B FLEET
CFFM Geenneerraall
12
Flight Operations Support
10 September 2005
CFM PROPRIETARY INFORMATION
Subject to restrictions on the cover or first pa ge
NEW ENGINES BUILT ON CFM56 RECORD-SETTING
ON-WING EXPERIENCE
CFM56 EEnnggiinnee Hiigghh TTiimeess
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 cycles
* Longest intervals achieved on wing without removal
40,729 hours / 17,504 cycles
First engine removal on Sept. 05, 2003
World records for high cycle operations
0921H RELALLM0803A
CFM56-5A
CFM56-5B
CFM56-5C
CFM56-2C
CFM56-7B
CFM56-3
41,247
22,761
48,300
50,775
24,500
56,850
30,684
19,966
9,345
19,985
13,945
56,178
ENGINE
TSN CSN EFH EFC
High Time Engine Highest on Wing life*
30,631
22,628
31,899
22,614
24,500
40,729
15,300
13,985
6,491
8,541
12,571
20,000
As of December 31, 2003
13
Flight Operations Support
10 September 2005
CFM PROPRIETARY INFORMATION
Subject to restrictions on the cover or first pa ge
Flight Ops Support
TTeecchhnniiccaall FFeeaattuurreess
Normal Operating Considerations
Flight phases, ops recommendations
Reedduucceedd TTaakkeeOffff TThhrruusstt
CFFM5566 Geenneerraall
EnnggiinneeCeerrttiiffiiccaattiioonn & TTeessttiinngg
Operational Characteristcs
EGTMargin, OATL
14
Flight Operations Support
10 September 2005
CFM PROPRIETARY INFORMATION
Subject to restrictions on the cover or first pa ge
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, Low Pressure Turbine
4 or 5 stages
9. 3 gearbox arrangements
Inlet, transfer, accessory
CFM56 Coommoonn Arrcchhiitteeccttuurree
All CFM56 engines have
STA 0 STA 12 STA 25 STA 3 STA 49,5
1
6
8
STA 0 : Ambient condition
STA 12 : Fan inlet
STA 25 : HP inlet
STA 3 : HP compressor discharge
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