Light damage to an aircraft Injury requiring (visible but no adverse first aid treatment effect). causing inability Reportable Between Limited Light or moderate damage to 2 to continue with breach of Minor Effect £100K and Localised vehicles (unfit for use). Minor current work regulations £1 million Implication term disruption to activity for 7 days operations or some facilities or less (up to an hour). Moderate to serious damage to an aircraft, unserviceable for repairs. Vehicle, equipment or Medical property damage. Out of Between treatment service with costly repairs Contained £1 million Regional 3 required. RIDDOR Prosecution Significant operating Effect and £3 Implication Major over 7 day lost limitations and significant million time injuries disruption, several hours. Demanding workload to key personnel, potential for loss of attention. Aircraft damaged requiring prolonged major repairs. Vehicle damaged beyond repair. Permanent or life Between Loss or relocation of facility Short changing injuries. £3 million National 4 damaged beyond use (several airport Major effect RIDDOR major and £6 Implication days or weeks). closure injuries million Hazardous Very high workload to key personnel, with likely impairment of performance or accuracy. Aircraft destroyed. Vehicle or equipment Greater Single or Multiple Long airport International 5 destroyed. Massive Effect than £6 Deaths closure Implication Major fire or explosion with million substantial loss of facilities. Figure 6: Risk Severity Matrix Safety Risk Tolerability A 5x5 risk matrix is used to assess the results of the risk probability and severity assessment. Risk Index Matrix (Severity x Likelihood) Severity Likelihood 5 - Catastrophic 4 - Hazardous 3 - 2 - Minor 1 - Negligible 5 Frequent Unacceptable Unacceptable Unacceptable Review Review – 4 Occasional Unacceptable Unacceptable Review Review Acceptable – 3 Remote Unacceptable Review Review Review Acceptable – 2 Improbable Review Review Review Acceptable Acceptable –
2 Minor Injury requiring first aid treatment causing inability to continue with current work activity for 7 days or less Light damage to an aircraft (visible but no adverse effect). Light or moderate damage to vehicles (unfit for use). term disruption to operations or some facilities (up to an hour). Reportable breach of regulations Minor Effect Between £100K and £1 million Limited Localised Implication 3 Major Medical treatment required. RIDDOR over 7 day lost time injuries Moderate to serious damage to an aircraft, unserviceable for repairs. Vehicle, equipment or property damage. Out of service with costly repairs Significant operating limitations and significant disruption, several hours. Demanding workload to key personnel, potential for loss of attention. Prosecution Contained Effect Between £1 million and £3 million Regional Implication 4 Hazardous Permanent or life changing injuries. RIDDOR major injuries Aircraft damaged requiring prolonged major repairs. Vehicle damaged beyond repair. Loss or relocation of facility damaged beyond use (several days or weeks). Very high workload to key personnel, with likely impairment of performance or accuracy. Short airport closure Major effect Between £3 million and £6 million National Implication 5 Single or Multiple Deaths Aircraft destroyed. Vehicle or equipment destroyed. Major fire or explosion with substantial loss of facilities. Long airport closure Massive Effect Greater than £6 million International Implication Figure 6: Risk Severity Matrix Safety Risk Tolerability A 5x5 risk matrix is used to assess the results of the risk probability and severity assessment. Risk Index Matrix (Severity x Likelihood) Likelihood Severity 5 - Catastrophic 4 - Hazardous 3 - 2 - Minor 1 - Negligible 5 – Frequent Unacceptable Unacceptable Unacceptable Review Review 4 – Occasional Unacceptable Unacceptable Review Review Acceptable 3 – Remote Unacceptable Review Review Review Acceptable 2 – Improbable Review Review Review Acceptable Acceptable
01-Cambridge-Airport-Aerodrome-Manual-E14-V0.3.docx