Aviation and the Global Atmosphere

Aviation and the Global Atmosphere
Integration and harmonization of various concepts and needs are required to achieve consistency in terms of safety and regularity and to attain the seamlessness
required for efficient operation. Planning for implementation of improved air navigation systems based on CNS/ATM therefore cannot be accomplished in isolation.
Regional air navigation plans, comprising listings of facilities and services required to serve civil aviation, are coordinated through the global mechanisms established
by ICAO, and the ICAO standards and recommended practices provide a common framework for implementation and planning of systems. Regional bodies such as
the African Civil Aviation Commission (AFCAC), the Arab Civil Aviation Commission (ACAC), EUROCONTROL, and the Latin American Civil Aviation Commission
(LACAC) also provide common platforms for planning and implementation while ensuring commonality and coherency. Regions also establish bilateral relationshipssuch
as between EUROCONTROL and the U.S. Federal Aviation Administration (FAA)-to address their unique and specific needs and to work more rapidly than
traditional mechanisms allow.
Table 8-1: Summary of fuel-saving case studies.
Case Study Period Fuel Saving Remarks
India 1997-2001 1.0-1.2 tons of fuel per flight
Spain 1997-2016 1.3-1.5% reduction in total fuel burn
Study examined potential savings to airlines
from CNS/ATM implementation within
Calcutta flight information region (FIR)
Cost/benefit study with the objective of
assessing the economic feasibility and financial
implications of implementing CNS/ATM systems in Spain
U.S. airlines 1997-2010 6-9% fuel burn savings in medium to long term Study estimated costs of inadequate ATC infrastructure
Mitre 1996-2010 12% fuel burn savings worldwide
Source: ICAO, 1998b.
Preliminary study that presented an overview of the analysis
of emissions reductions achievable through CNS/ATM
Table 8-2: Potential annual fuel savings and resulting environmental benefits from the introduction of CNS/ATM in U.S. national
airspace system.*
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