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Slide 1
Slide 2
To identify trends in accident data in support to the
prioritization of safety activities in the work
programme of ICAO.
Objective
Slide 3
Accident data
ADREP reporting - status
Overview
Slide 4
ParametersOccurrences with PAX fatalityScheduled operations MTOM > 2 250kgOccurrences that are not solely categorized as
security related
Accident data
Slide 5
DecisionsData on number of fatalities excludedData on non-fatal accidents (SISG) included
Accident data
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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)
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
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
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
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
Slide 27
Accident data
ADREP reporting - status
Overview
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 %
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
Slide 30
