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of hours flown by light aeroplanes and helicopters is not recorded in the great majority of
the States. Data regarding gliders, balloons and aircraft like the so-called ‘homebuilt’ are also
not recorded, or, in several countries, entrusted to associative organizations and not retrieved
by the Member States. Data for microlight (including microlight aeroplanes, helicopters,
gyroplanes and gliders) are usually entrusted to the aircraft owner, who very seldom provides
it to the authorities.
An accurate estimate of flight hours or movements is needed to allow a more meaningful
analysis of data, than the number of accidents alone can provide. This has been possible for
many years for large aircraft.
With only four years of data available no trend could be developed. Further, analysis of the
causes was limited by the lack of related data from States. Many records regarding
the period 2006 – 2008 were not revised by the States and the data that was incomplete in
previous years remains so. Timely availability of complete data is essential for the Agency to
be able to provide a complete picture of all aspects of aviation safety in Europe.
Ligh t aircraft, aircraft below
2 250 kg mtom
36
Your safety is our mission. 37
6.0 The European central repository
The centralised database – the European Central Repository for
occurrences (ECR) has been established by the Joint Research Centre
of the European Commission as part of the ECCAIRS project in
order to collect information on safety related occurrences collected
in EASA States in accordance with Directive 42/2003. EASA Member
States are obliged to integrate these occurrence data into the ECR
according to Commission Regulation (EC) No 1321/2007.
Table 6-1 The States integrating their data in the ECR in alphabetical order – situation
at the end of 2009
The first EASA Member State which started integrating its data into the ECR was Iceland in
January 2008. At the end of 2009, twenty States integrated their data (table 6-1).
Belgium
Bulga ria
Cyprus
Denmark
Estonia
Finland
France
Germany
Greece
Hunga ry
Iceland
Latvia
Lithuania
The Netherlands
Norway
Poland
Slovakia
Spain
Sweden
United Kingdom
38 European aviation safety agency
Annual Safety Review 2009
6.1 The ECR at a glance
By the end of 2009 the ECR contained 275 6466 occurrences. The distribution of occurrences
per year is presented in Figure 6-1 for the growing number of occurrences as the result
of additional States integrating their occurrence data into the ECR. Some States have provided
their historical data7 while others are integrating only the occurrence data reported after the
date the integration was started.
According to the Figure 6-2, the majority of the occurrences were reported for Commercial
air transport operations. 57 % of records have no information regarding operation type.
According to Figure 6-3, most reports where this information was provided concern
aeroplanes. The white slice indicates that for 65 % of records the category of aircraft was not
reported.
The majority of occurrences, where the mass of the aircraft was reported, were reported for
aircraft belonging to the 27 001 to 272 000 kg mass group. In 71 % of records the mass group
was not reported (Figure 6-4).
Figure 6-2 Distribution by operation type – ECR
Figure 6-1 Distribution of occurrences per year – ECR
2005 2006 2007 2008 2009
80,000
40,000
20,000
60,000
100,000
State flights 1 %
General Aviation 5 %
Commercial Air Transport 37 %
Not reported 57 %
Aerial Work 0 %
Unknown 0 %
Note: 6 This figure is indicative and it may change after the rest of States will commence data integration process.
7 The date of occurrence is before the actual date of the commencement of the data integration process.
Your safety is our mission. 39
Figure 6-4 Distribution by mass group – ECR
Figure 6-3 Distribution by aircraft category – ECR
Helicopter 2 %
Unknown 2 %
Fixed wing 30 %
Not reported 65 %
Glider 1 %
0 to 2 250 kg 4 %
2 251 to 5 700 kg 1 %
5 701 to 27 000 kg 5 %
27 001 to 272 000 kg 15 %
> 272 000 kg 3 %
Unknown 1 %
Not reported 71 %
Figure 6-5 Distribution of occurrences by severity – ECR
Serious incident 1 %
Accident 2 %
Occurrence without safety effect 6 %
Not determined 8 %
Not reported 30 %
Incident 57 %
the european central repository
40 European aviation safety agency
Annual Safety Review 2009
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