Table 3. Results of the 1st round Delphi study

No Item % of Consensus C V R C G D
1 Aircraft accidents 96.7% 0.89 0.00
2 Aircraft airspace intrusion 88.9% 0.89 0.50
3 Vehicle CAA invasion 86.7% 0.89 0.50
4 Aircraft abandonment 88.9% 1.00 0.50
5 Aircraft near miss 86.7% 0.78 0.50
6 Aircraft-aircraft collision 94.4% 0.89 0.00
7 Aircraft-vehicle collision 91.1% 0.89 0.50
8 Aircraft-facility collision 86.7% 0.67 0.50
9 Aircraft-person collision 81.1% 0.44 0.50
10 Vehicle-vehicle collision 73.3% 0.44 0.50
11 Vehicle-person collision 77.8% 0.44 0.00
12 Vehicle-facility collision 68.9% 0.44 0.50
13 Aircraft-aircraft close encounters 84.4% 0.44 0.50
14 Aircraft-vehicle close encounter 82.2% 0.44 0.50
15 Aircraft oil leak 66.7% 0.44 0.50
16 Dangerous goods incident 77.8% 0.22 0.50
17 Bird strike 78.9% 0.44 0.50
18 Reporting mooring control dissatisfaction 65.6% 0.22 0.50
19 FOD collection 75.6% 0.44 0.50
20 Hazardous find reporting 78.9% 0.11 0.50
21 SMS committee 74.4% 0.44 0.50
22 SMS working committee 75.6% 0.44 0.50
23 Safety campaign 63.3% 0.44 0.50
24 Airport operation certification 72.2% 0.22 1.00
25 Navigation safety oversight 71.1% 0.00 1.00