ANNEX I U.K. KEY PERFORMANCE INDICATORS (KPI) FOR TARGET SETTING AND INDICATORS FOR MONITORING

SECTION 3 U.K. KPIs for target setting and indicators for monitoring of the network functions

2. SAFETY U.K.

2.1. Key performance indicators U.K.

The level of the effectiveness of safety management of the Network Manager in accordance with point 1.1 of Section 1.

2.2. Indicators for monitoring U.K.

The ATFM over-deliveries above the capacity limits of a sector declared by the air navigation service provider where ATFM regulations are imposed, calculated as follows:

(a)

the ratio between the time that the number of flights exceeds by more than 10 % the capacity limits of a sector declared by the air navigation service provider where ATFM regulations are imposed, and the total time where ATFM regulations are imposed, calculated for the whole calendar year and for each year of the reference period;

(b)

for the purposes of this indicator, the regulated time is divided in overlapping hourly slices at every 20-minutes interval.