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This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
1
Snecma
Optimizing Airlines CostsFocus on engine maintenance and fuel
IATA Airlines Cost Conference 2015
Geneva, August 26-27
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
IATA Airlines Cost Conference 2015
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
AIRLINES ECONOMICS
50+%
DIRECT OPERATING COSTS 2014
IATA Airlines Cost Conference 20152
MaintenanceCosts
FuelCosts
OtherCosts
August 2014 – Fuel price 100$/b
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
ENGINE ECONOMICSENGINE RESIDUAL VALUE
IATA Airlines Cost Conference 20153
Data Source: VAS Aero Services, AeroEngines USA, Feb 2013
1 5 10 15 20 25
0
20
40
60
80
100%
Asset value lifecycle (years)
Asse
t va
lue
($)
Whole asset valueEngine value % vs whole asset Engines value
Lessor’s view …
• 15% of new aircraft
• 50% at year 10
• 100% at year 20
85%50% At 15 years
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
OPTIMIZING ENGINE COSTS
4 IATA Airlines Cost Conference 2015
A great challenge: finding the best tradeoff
MaintenanceCosts
Engine ResidualValue
EngineEfficiency
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
OPTIMIZING ENGINE COSTS
ENGINE HEALTH
MONITORING
FLEET
MANAGEMENT
FLIGHT OPERATIONS
ENHANCEMENT
OTHERS(CONSULTING, SPECIFIC COVERAGE, ETC)
IATA Airlines Cost Conference 20155
Building on engineering and consulting services
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
OPTIMIZING ENGINE COSTS
6 IATA Airlines Cost Conference 2015
Engine removal forecast
EGTM retention curves analysis
Comparison with CFM ref.
LRU removal analysis
Reliability analysis
Recommendations for
low utilization
(ACJ/BBJ operations)
Maintenance recommendation
Line SB/AD analysis &
recommendation
Coordination with CSC & EMOS
Shop Visit Management
Workscope customization
ON-WING & IN-SHOP
MANAGEMENT
SPECIFIC
STUDIES
FORECASTING
FLEET MANAGEMENT
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
OPTIMIZING ENGINE COSTS
IATA Airlines Cost Conference 20157
EXAMPLE #1: WORKSCOPE CUSTOMIZATION
USM LLP
Savings
Repair &
Exposure
SV Cost
OEM
USM
LLP
build
standard
SB &
Upgrades
Engine
Value
Time On
Wing
Reliability
Cost per
Event
Fuel
Efficiency
Which
factors to
optimize ?
In which
phase of the
engine life
cycle ?
Engine
Residual
Value
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
OPTIMIZING ENGINE COSTS
IATA Airlines Cost Conference 20158
EXAMPLE #2: THE DERATED TAKEOFF
En
gin
e M
ain
ten
an
ce
Co
st
Takeoff
Climb
Cruise
Flight Leg
%$
/EF
H
Reduced thrust (%)
1 hour
2 hours
3 hours
0 1 5 10 15 20 25
90%
80%
70%
60%
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
OPTIMIZING ENGINE COSTSEGT MARGIN DETERIORATION: IMPACT ON SFC
IATA Airlines Cost Conference 20159
EG
T (
°C)
Engine Flight Cycle
Cockpit Reading
Engine
Restoration
EGT
Margin
Red Line / Operational Limit (OEM)
Actual rate of deterioration is impacted by:
– Thrust rating
– Engine derate
– Average flight leg flown
– Ambient Temperatures
– Environment
Increasing Gas Path
Flow Losses
Increases EGT Margin
Deterioration
Increases Fuel Burn
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
1% saving = $420,000 per year for the fleet
REDUCING THE FUEL BILL
8,400 TONS/YEAR PER A/C
$4,200,000/YEAR PER A/C
2,400 KG/HOUR PER A/C
$1,200/HOUR PER A/C
IATA Airlines Cost Conference 201510
*As of 24/08/2015
EXAMPLE: IMPROVING THE SFC
Hypothesis
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
15 mof slats missing seal
(span-wise)
15 mmexternal slat
misalignment
8 m² of leading edge slat
paint peel
0.3 mmof skin roughness
over ~50 m² of fuselage
or ~15 m² of wing
~2’ additional taxing time
M0.01flight speed deviation
vs optimum speed (~5 kt)
5 ktadditional head wind
(~9 km/h)
2000 ftdelta flight level
vs optimum altitude
~1’additional holding
time at cruise level0.5 mmincrease in HPC blade
tip clearance
1 mmincrease in HPC
effective CDP seal
clearance
0.3 mmincrease in HPT blade tip
clearance
10 cm² increase in HPT inlet
nozzle area
REDUCING THE FUEL BILL
WINGS & SLATS FLIGHTHPC & HPT
IATA Airlines Cost Conference 201511
1% FUEL BURN DELTA
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
GLOBAL COST SAVINGS
IATA Airlines Cost Conference 201512
Global Cost Savings=
Fuel Savings – Implementation Costs – Other Costs Impacts
FuelSavings
ImplementationCosts
Other CostImpacts
FUEL CONSERVATION PROGRAM
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
26,300 lb
0
5000
10000
15000
20000
25000
30000
19,725 lbTa
ke
off
th
rus
t (l
b)
GLOBAL COST SAVINGSBEST PRACTICE: DERATED TAKEOFF
IATA Airlines Cost Conference 201513
-25%6,575 lb
FuelCosts
MaintenanceCosts
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
GLOBAL COST SAVINGSBEST PRACTICE: PACK OFF AT TAKEOFF
IATA Airlines Cost Conference 201514
MaintenanceCosts
FuelCosts
To improve
performance when
TOGA is used
Pack OFF
at takeoff
To reduce EGT
when reduced
takeoff thrust
Is performed
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
GLOBAL COST SAVINGSEXPERTIZE NEEDED
IATA Airlines Cost Conference 201515
Engine
Perf.
Flight
operations
Maint.
costs
Software
Flight
Operations
Eng.
Data
analysis
Fuel
Efficiency
®
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
SNECMA & SAGEM EXPERTIZE…
IATA Airlines Cost Conference 201516
Engine
Perf.
Flight
operations
Software
Data
analysis
Maint.
costs
Flight
Operations
Eng.
®
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
EngineFlight
operationsSoftware
Data
analysis Nacelle
… SUPPORT OF SAFRAN COMPANIES
Landing
gear
Wheels
& brakes
Thrust
reverser
IATA Airlines Cost Conference 201517
®
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
IATA Airlines Cost Conference 201518
®
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
BE SMART, BE GREEN
READY TO TAKEOFF?
IATA Airlines Cost Conference 201519
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
20
KEY MISSIONS, KEY TECHNOLOGIES, KEY TALENTS
This document and the information contained are the property of Snecma and shall not be copied or disclosed to any third party without Snecma’s prior written authorization.
IATA Airlines Cost Conference 2015