2014-01-08 06:10:04 - US Air Traffic Management and Automatic Dependent Surveillance-broadcast (ADS-B) Technology - a new market research report on companiesandmarkets.com
Air traffic management is forecast to undergo significant changes as the traditional radar based air traffic control environment is replaced over time by a system based on automated position and flight data which is reported by individual aircraft themselves. Each country has a different technology and methodology. The construction of transmitter or receiver ground installations in the United States is currently about 65% complete. Air traffic management and flight operations are set to change as aircraft are equipped with new equipment over the next several years.
Automatic dependent surveillance-broadcast (ADS-B) is a primary enabling technology.
While the United States and European countries have been its main proponents, counties in Asia-Pacific (APAC) and Rest of World (ROW) have the greatest need due to
limited air traffic management (ATM) infrastructure.
The basic concept of ADS-B is the same globally, but the technologies used vary considerably by region and country.
In oceanic situations, the concept requires international consensus and the technology´s use becomes more challenging since the required datalink must be capable of non-line-of-sight transmission.
The cost of equipage for general aviation aircraft to ensure ADS-B reception and display may be the greatest limiting factor.
The International Civil Aviation Organization will be pivotal in global implementation.
Worldwide, primary air traffic radars are aging.
There is still a tendency to view ATM solutions as only for consumption in North America and Europe, but countries outside of these regions are the potential growth areas.
Many long-standing ATM systems are reaching the end of their lifecycles, which will change the market dynamics.
In air traffic, aircraft are kept at a safe distance from each other by 1 of 2 systems:
Visual flight rules (VFR)âAircraft use see-and-avoid (SA) rules plus different eastbound and westbound altitudes to separate themselves from each other.
Instrument flight rules (IFR)âAir traffic control (ATC) distances aircraft from each other using vectors and assigned altitudes to assure that they are separate.
IFR is generally used in higher altitudes, in bad weather, or during approaches to airports. VFR is generally used in good weather by general aviation aircraft and for some limited military operations.
The most basic tools of ATC are radar and radios:
Primary surveillance radars (PSRs) reflect radio beams off of aircraft. The radar then computes distance and azimuth of the aircraft.
Secondary surveillance radars (SSRs) use beacons onboard the aircraft to enhance the ability of the radar to see the aircraft. Additionally, SSRs receive aircraft identification information and altitude information from the aircraft´s beacon.
Air traffic controllers use the information provided by PSRs and SSRs, which is shown on their radar displays, to inform pilots on how to maneuver in direction or altitude, ensuring separation of aircraft.
The complexity of air traffic separation demands a certain level of predictability with minimal controller interaction. This has resulted in defined procedures for both VFR and IFR traffic.
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