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2 250 kg, by year and aircraft category, EASA MS registered
Aircraft
category
Period Number of
accidents
Fatal accidents Fatalities on
board
Ground fatalities
Balloon 2006 – 2008 23 0 0 0
2009 20 0 0 0
Aeroplane 2006 – 2008 536 63 118 1
2009 528 62 118 2
Glider 2006 – 2008 186 18 19 0
2009 213 20 25 0
Gyroplane 2006 – 2008 10 3 3 0
2009 12 1 2 0
Helicopter 2006 – 2008 79 8 18 1
2009 95 15 28 2
Microlight 2006 – 2008 211 33 48 0
2009 225 45 60 0
Other 2006 – 2008 64 9 11 1
2009 67 12 12 0
Motorgliders 2006 – 2008 51 10 15 0
2009 74 8 8 0
(Average) 2006 – 2008 1,160 145 234 3
(Total) 2009 1,234 163 253 4
Increase (%) 6.3 % 12.4 % 8.3 % 20.0 %
Your safety is our mission. 33
5.1 Fatal accidents
The great majority of accidents reported occurred in General aviation. The vast majority of
the light aircraft in EASA MS is involved in General aviation (Figure 5-1). Some of them, in
particular light helicopters, are also involved in Aerial work, (e.g. aerial observation
activities) and a very small proportion, in commercial air transport. In respect to the type of
operations, around 4 % of the fatal accidents were not coded by the States but it was
observed by sampling that they concerned mostly General aviation.
The majority (42 %) of light aircraft involved in fatal accidents during the period 2006 – 2009
are aeroplanes (Figure 5-2). Microlights are involved in half as much, with 24 %. Balloons
are very seldom represented in fatal accidents; in fact there is just one case in the four years
covered in this study. The non-uniform categories assigned to the aircraft (e.g. microlight,
aeroplane or gyroplane) may have caused a slight distortion in the grouping; this is due to
differences in the classification applied by the States and sometimes may have been caused
by a misclassification.
Figure 5-2 Fatal accidents by aircraft category – Aircraft below 2 250 kg,
EASA MS registered (2006 – 2009)
Figure 5-1 Fatal accidents by type of operation – Aircraft below 2 250 kg,
EASA MS registered (2006 – 2009)
Commercial Air Transport 1 %
Aerial Work 4 %
Not coded 4 %
General Aviation 91 %
Gyroplane 2 %
Motorglider 6 %
Other 7 %
Helicopter 7 %
Glider 12 %
Microlight 24 %
Aeroplane 42 %
Balloon 0 %
Ligh t aircraft, aircraft below
2 250 kg mtom
34 European aviation safety agency
Annual Safety Review 2009
5.2 Accident categories
The CAST-ICAO Common Taxonomy Team (CICTT) accident categories were applied by the
reporting States to the set of light aircraft data accidents for the period 2006 – 2009.
Analysis was based on data received for the years 2006 to 2009. The results, as already
mentioned, might suffer from the non-uniform coding of occurrences by the States.
The highest number of fatal accidents were classified as LOC-I ‘Loss of control in-flight’ and
LALT ‘Low altitude’. LOC-I is also one of the most significant categories in non-fatal
occurrences. These LOC-I and LALT categories also show a high proportion of fatal accidents
relative to number of total accidents in the respective category.
The UNK ‘Unknown’ category is the third most frequent in fatal accidents. In this analysis it
may mean that, as per definition, the category could not be determined during the
investigation; in many cases it means that it was not provided by the State because the
EVAC
RI-A
ICE
SEC
ATM
BIRD
RI-VAP
RAMP
ADRM
TURB
GCOL
USOS
F-NI
RE
WSTRW
LOC-G
FUEL
ARC
AMAN
SCF-NP
MAC
SCF-PP
F-POST
CFIT
OTHR
UNK
LALT
LOC-I
Fatal accidents
Non-fatal accidents
0 50 100 150 200 250
Figure 5-3 Distribution of accident categories – Aircraft below 2 250 kg,
EASA MS registered (2006 – 2009)
Your safety is our mission. 35
investigation was not finished. The UNK category represents about 10 % of the fatal accidents,
which could be reduced if the investigations were carried on to the end.
The fourth most important category is OTHR ‘Other’. This results from the incomplete
coverage given by the taxonomy to light aircraft, in particular in aircraft categories ‘Gliders’
and ‘Balloons’, where the classification in an existing category is often impossible.
As in previous years, exposure data for light aircraft continues to be unavailable. The number
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Annual Safety review 2009(10)
