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Slide 1
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Slide 2
To identify trends in accident data in support to the
prioritization of safety activities in the work
programme of ICAO.
Objective
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Slide 3
Accident data
ADREP reporting - status
Overview
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Slide 4
ParametersOccurrences with PAX fatalityScheduled operations MTOM > 2 250kgOccurrences that are not solely categorized as
security related
Accident data
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Slide 5
DecisionsData on number of fatalities excludedData on non-fatal accidents (SISG) included
Accident data
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Slide 6
Fatal accident rate(Passenger Scheduled Services for aircraft with MTOM > 2250kg)
0
5
10
15
20
25
Fata
l acc
iden
ts p
er 1
0 m
ilion
dep
artu
res Actual
Trend
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Slide 7
Accidents – Scheduled operations
0
2
4
6
8
10
12
14
16
18
20
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Year
Tota
l fat
al a
ccid
ents
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Slide 8
Accidents per region of ICAO accreditation Scheduled operations- 10 years – State of Occurrence
0
2
4
6
8
10
12
14
16
18
20N
umbe
r of
acc
iden
ts
APAC ESAF EUR-NAT MID NACC SAM WACAF
Regions per regional offices
1999-2003
2004-2008
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Slide 90 1 2 3 4 5 6 7
Accidents per million departures
APAC
ESAF
EUR-NAT
MID
NACC
SAM
WACAF
World
Reg
ions
by
Reg
iona
l offi
ce
2004-2008
1999-2003
Accidents rate per region of ICAO accreditation Scheduled operations- 10 years – State of Occurrence
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Slide 10
0
2
4
6
8
10
12
14
16
18
20
Num
ber
of a
ccid
ents
APAC ESAF EUR-NAT MID NACC SAM WACAF
Regions per regional offices
1999-2003
2004-2008
Accidents rate per region of ICAO accreditation Scheduled operations- 10 years – State of Registry
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Slide 11
Accidents rate per region of ICAO accreditation Scheduled operations- 10 years – State of Registry
0 1 2 3 4 5 6
Accidents per million departures
APAC
ESAF
EUR-NAT
MID
NACC
SAM
WACAF
World
Reg
ions
by
Reg
iona
l offi
ce
2004-2008
1999-2003
Twice the World Average
= 0.86
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Slide 12
Total numbers of accidents by occurrence category 1999 to 2008
0 5 10 15 20 25 30 35 40 45 50
Undershoot/overshoot runway
Windshear or thunderstorm.
Aerodrome infrastructure
Abnormal runway contact
Runway excursion
Unknown or undetermined
Sys/comp fail/malfunct [non-powerplant]
Powerplant failure or malfunction
Fire/smoke (post-impact)
Loss of control - inflight
Controlled flight into or toward terrain
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Slide 13
Fatal Accidents - Comparative Percentage
0% 5% 10% 15% 20% 25% 30%
Abnormal runway contact
Runway excursion
Powerplant failure ormalfunction
Sys/comp fail or malfunc[non-powerplant]
Fire/smoke (post-impact)
Loss of control - inflight
Controlled flight into ortoward terrain
Occ
urre
nce
cate
gory
Percentage of records
2004 - 20081999 - 2003
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Slide 14
Accident data per region of ICAO accreditationAPAC
0 2 4 6 8 10 12
Air Traffic and navigationalsystems failures
Runway excursion
Ground Collision
Fire/smoke (post-impact)
Sys/comp fail or malfunc[non-powerplant]
Loss of control - inflight
Controlled flight into ortoward terrain
Occ
urre
nce
cate
gory
Number of records
2004 - 20081999 - 2003
No Runway excursion information do not implicate
no such accidents during ’99 to ’03. These
category accidents just do not feature in this dataset
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Slide 15
Accident data per region of ICAO accreditationEUR-NAT
0 1 2 3 4 5 6 7 8
Air Traffic and navigationalsystems failures
Aerodrome infrastructure
Powerplant failure ormalfunction
Sys/comp fail or malfunc[non-powerplant]
Controlled flight into ortoward terrain
Fire/smoke (post-impact)
Loss of control - inflight
Occ
urre
nce
cate
gory
Number of records
2004 - 2008
1999 - 2003
No occurrence category information do not implicate
no such accidents during ’04 to ’08. These
category accidents just do not feature in this dataset
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Slide 16
Accident data per region of ICAO accreditationMID
0 1 2 3 4 5
Abnormal runway contact
Fire/smoke (post-impact)
Runway excursion
Loss of control - inflight
Powerplant failure ormalfunction
Controlled flight into ortoward terrain
Occ
urre
nce
cate
gory
Number of records
2004 - 2008
1999 - 2003
No occurrence category information do not implicate
no such accidents during ’99 to ’03. These
category accidents just do not feature in this dataset
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Slide 17
Accident data per region of ICAO accreditationNAM
0 1 2 3 4 5
Ground handling
Other
Turbulence encounter
Air Traffic and navigationalsystems failures
Fire/smoke (post-impact)
Loss of control - inflight
Sys/comp fail or malfunc[non-powerplant]
Occ
urre
nce
cate
gory
Number of records
2004 - 2008
1999 - 2003
No occurrence category information do not implicate
no such accidents during the period covered. These
category accidents just do not feature in this dataset
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Slide 18
Accident data per region of ICAO accreditationCAR
0 1 2 3 4
Controlled Flight into ortoward terrain
Powerplant failure ormalfunction
Loss of control - inflight
Runway excursion
Occ
urre
nce
cate
gory
Number of records
2004 - 2008
1999 - 2003
No occurrence category information do not implicate
no such accidents during the periods covered. These
category accidents just do not feature in this dataset
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Slide 19
Accident data per region of ICAO accreditationSAM
0 1 2 3 4 5 6
Aerodrome infrastructure
Unknown or undetermined
Air Traffic and navigationalsystems failures
AIRPROX/near miss/midaircollision
Runway excursion
Fire/smoke (post-impact)
Controlled flight into ortoward terrain
Occ
urre
nce
cate
gory
Number of records
2004 - 2008
1999 - 2003
No occurrence category information do not implicate
no such accidents during ’99 to ’03. These
category accidents just do not feature in this dataset
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Slide 20
Accident data per region of ICAO accreditationWACAF
0 1 2 3 4 5 6
Aerodrome infrastructure
Undershoot/overshootrunway
Powerplant failure ormalfunction
Ground Handling
Sys/comp fail or malfunc[non-powerplant]
Fire/smoke (post-impact)
Loss of control - inflight
Unknown or undetermined
Occ
urre
nce
cate
gory
Number of records
2004 - 2008
1999 - 2003
No occurrence category information do not implicate
no such accidents during ’99 to ’03. These
category accidents just do not feature in this dataset
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Slide 21
Fatal accident rate stable over the last 5 yearsAPAC spikes in terms of number of accidents (both
State of Occurrence and registry)WACAF spikes in terms of accident rate (both State
of Occurrence and registry)APAC = CFIT remains as topmost occurrence
category, decreasing trendEUR-NAT = Loss of control-inflight, decreasing
trend.
Summary as to the data on fatal accidents
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Slide 22
MID = Runway excursion emerging concern SAM = Unknown/undetermined, followed by CFIT &
Fire/smoke post-impactWACAF = Unknown/undeterminedESAF, NAM/CAR = Accident numbers low.
Summary as to the data on fatal accidents (continue)
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Slide 23
Commercial transport and general aviation operations except test/experimental, demonstration, illegal, airshow/race, first flight, other and unknown operations
Fixed wing aircraft MTOM > 5700kgTurbine engine powered aircraftOccurrences that are not solely categorized as
security related
Accident data SISG Parameters
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Slide 24
Accidents SISG parametersSISG parameters
0
20
40
60
80
100
120
140
160
180
200
1999 2000 2001 2002 2003 2004 2005 2006 2007 2008
Year
Tota
l acc
iden
t rec
ords
SISG reviewedSISG fatalUsual parametersTrend - SISG accidents
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Slide 25
Top ten numbers of accidents by occurrence categoryCombined usual and SISG parameters
0 50 100 150 200 250 300 350 400
Fire/smoke (post-impact)
Controlled flight into or toward terrain
Loss of control - inflight
Ground Collision
Powerplant failure or malfunction
Turbulence encounter
Ground Handling
System/component failure or malfunction[non-powerplant]
Abnormal runway contact
Runway excursion
Occ
urre
nce
cate
gorie
s
Number of recordsUsual parameters
SISG parameters
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Slide 26
The extended data parameters generates potential for significant increase in data analysis (approx twice for fatal accidents, multi-fold for all accidents)
Accident numbers show increasing trend
Accident data summary as to SISG parameters
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Slide 27
Accident data
ADREP reporting - status
Overview
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Slide 28
Percentage of accidents/serious incidentPercentage of accidents/serious incidentss not officially notified to ICAO not officially notified to ICAO
0
200
400
600
800
1000
1200
1400
Num
ber o
f rec
ords
2005 2006 2007 2008
YearUnofficial
reported
25 %34 %
27 %45 %
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Slide 29
Deployment of SSP and SMS should foster improved reporting to ICAO and sharing of safety information.
ICAO ADREP/ECCAIRS training courses should enable States to collect and analyze safety data as part of their SSP.
Potential drivers to enhance accident/incident reporting
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Slide 30