Atsb transport Safety Report



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Aerial work


Aerial work is made up of a number of different commercial activities, including aerial agriculture, mustering, surveying and photography, emergency medical services, search and rescue, check and training flights, and aerial fire control. Some of these activities require aircraft to regularly operate in conditions with inherent risks, such as manoeuvring at low level (crop spraying and aerial mustering), which should be considered when comparing aerial work occurrence data with that of other operation types.

While there was a large variation in the number of VH-registered aircraft involved in aerial work that had accidents per year over the last 10 years, the number of accidents in 2013 (20) was one of the lowest (Table ). This was supported by a halving of the accident rate and a three-fold reduction in the fatal accident rate in aerial work operations between 2010 and 2012 (Figure ). The low number of accidents involving aerial work aircraft in 2013 was particularly due to fewer accidents in commercial aerial mustering, although there were more accidents in survey and photography, EMS, and fire control operations.

The number of aerial work aircraft involved in serious incidents in 2013 (49) was the highest in the last 10 years, and represented a 30 per cent increase compared to 2012. This was due to more aerial agriculture serious incidents (which almost doubled between 2012 and 2013, although the number of accidents fell).

The number of aerial work aircraft involved in incidents increased by more than 50 per cent between 2004 and 2013. This increase was primarily due to more reports from EMS and survey and photography operators. In 2013, aerial agriculture was exclusive among aviation operation types in Australia in that significantly more serious incidents were reported than incidents.



Table : Aerial work (VH- registered aircraft) occurrences, 2004 to 2013




2004

2005

2006

2007

2008

2009

2010

2011

2012

2013

Number of aircraft involved































Incidents

181

210

210

196

212

244

212

242

257

263

Serious incidents

15

15

10

14

18

16

31

24

38

49

Serious injury accidents

6

2

2

2

7

3

5

5

2

1

Fatal accidents

3

2

4

3

6

6

7

6

2

3

Total accidents

45

30

23

29

38

30

42

36

20

20

Number of people involved































Serious injuries

9

2

2

2

9

5

6

8

2

1

Fatalities

4

2

9

3

7

6

8

9

2

3

Rate of aircraft involved































Accidents per million hours

109.3

70.3

55.8

65.2

81.9

67.3

81.6

70.7

42.5

N/A

Fatal accidents per million hours

7.3

4.7

9.7

6.7

12.9

13.5

13.6

11.8

4.3

N/A

Figure : Accident rate for aircraft (VH- registered) involved in aerial work (per million hours flown), 2004 to 2012

Accidents, serious incidents, and injuries that occurred in 2013 in the different types of aerial work are explored in the following sections.




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