Figures and Tables

Figure 1.1 An increase in both low-cost and traditional scheduled flights has driven the recent return to growth
Figure 1.2 Number of daily flights increases every year between 2014 and 2018
Figure 1.3 Number of flights increases by 42% between 2017 and 2040 under the base traffic forecast
Figure 1.4 Overall the scheduled network connects more city pairs in 2017
Figure 1.5 Average aircraft age per flight has crept up towards 11 years
Figure 1.6 Example of an airport noise contour (Source: Aeropuertos Españoles y Navegación Aérea)
Figure 1.7 Fleet renewal could stabilise average noise levels at today’s 47 major airports by 2030

For each traffic forecast, the upper bound of the range reflects the ‘frozen’ technology scenario, and the lower bound reflects the ‘advanced’ technology scenario.

Figure 1.8 Emissions from a typical two-engine jet aircraft during 1-hour flight with 150 passengers
Figure 1.9 CO2 emissions are steadily increasing again since 2013

For each traffic forecast, the upper bound of the range reflects the ‘frozen’ technology scenario, and the lower bound reflects the ‘advanced’ technology scenario.

Figure 1.10 NOX emissions will increase further, but advanced engine combustor technology could help curb their growth after 2030

For each traffic forecast, the upper bound of the range re­flects the ‘frozen’ technology scenario, and the lower bound re­flects the ‘advanced’ technology scenario.

Figure 1.11 Noise and emissions grow slower than passenger kilometres but emissions grow faster than number of flights
Figure 1.12 Global commercial aviation fuel efficiency improvement

(Source: IATA)

Table 1.1 Summary of air traffic indicators
Table 1.2 Summary of noise indicators
Table 1.3 Summary of full-flight emission indicators based on IMPACT model