Using our bowtie risk analysis See our list of bowtie analysis which shows a visual representation between threats and hazards. Using our sector safety risk profiles Learn about using our safety risk profiles to understand risks and safety trends within sectors. Air transport operations profiles Smaller aeroplanes sector Read about our sector safety risk profile for air transport operations using smaller aeroplanes. Smaller helicopter sector Read our sector safety risk profile for air transport operations using smaller helicopters. Larger aeroplanes sector Read our sector safety risk profile for air transport operations using larger aeroplanes. Larger helicopter sector Read our sector safety risk profile for air transport operations using larger helicopters. Show more Show less Other operation profiles Aerial firefighting Read our sector safety risk profile for aerial firefighting.