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Bankleitzahlen - online.de


Geneva Airport's control tower marks its 25th anniversary

Corporate news announcement processed and transmitted by Hugin AS.
The issuer is solely responsible for the content of this
announcement.
----------------------------------------------------------------------
--------------




Geneva, 3 December 2009. Friday 4 December marks the 25th anniversary
of the entry-into-service of the present control tower at Geneva
Airport. Today's tower controllers manage and monitor between 450 and
600 arrivals and departures every day, or some 175 000 flights a
year; and that figure is rising, too. Air navigation services at
Geneva Airport can look back on a longer history.

More than 40 metres up, 24 hours a day
The Tower/Approach unit of skyguide's Geneva Airport control tower is
staffed by 45 air traffic controllers, working in shifts at their
stations over 40 metres above the ground. The tower is staffed 24
hours a day - even at night, when the airport is closed - to
immediately handle any emergency landing which might be required.
The number of aircraft landing and taking off at Geneva Airport has
virtually doubled in the 25 years since the present tower came into
operation. While some 250 movements a day were handled in 1984, today
the figure ranges between 450 and 600. The technical facilities have
been steadily developed and refined to keep pace with the increases
in traffic volumes. Geneva's tower, approach and departure
controllers manage all approaching and departing flights within a
50-kilometre radius of the airport. The air traffic on the airways of
the region's upper airspace is handled by the Geneva Area Control
Centre.

It all began in 1922
The story of air navigation services at Geneva Airport begins as
early as 1922, when a telegraphic transmitter/receiver station was
erected by Marconi AG, one of skyguide's predecessor companies.
Initially, the station's transmissions were limited to news of
departures, arrivals and delays and - at certain times of the day -
meteorological reports. In the early years, these messages were
largely sent to other airports: few aircraft of the time were
equipped with radio transmitter/receivers. Not until 1927, when a few
airlines started experimenting with instrument flight, did such
information begin to be sent to aircraft, too. During the Second
World War, Radio Schweiz AG (as the company had been renamed in 1928)
put its Geneva Airport station and its further aeronautical radio
facilities throughout Switzerland at the disposal of the country's
news and reconnaissance services.

The present Geneva tower and its predecessors
It was in 1948 that Radio Schweiz AG opened its first control tower
at Geneva Airport. It was a temporary structure, made of wood. But
thanks to the provision of a short-wave transmitter, the controllers
were now able to speak to pilots by radio telephony (rather than the
Morse Code telegraphy that they had previously exclusively used), as
long as the aircraft they were communicating with were also suitably
equipped.
Two years later, in 1950, a second version of the control tower came
into operation. This was located on top of the newly-opened passenger
terminal.
The next year, 1951, saw the installation of the first VOR (VHF
omnidirectional range), a ground station serving as a navigation aid:
the VOR's signal is processed by a receiver aboard the aircraft and
provides the pilot with directional information. This innovation
tangibly simplified the work of the tower controllers, enabling them
to plan and anticipate the aircraft's route.

Rapid technological development
The first radar in Geneva was put into operation in 1953. This new
possibility of seeing flights on a screen even when they were a long
distance away transformed air traffic control. The new technology
made it easier to manage and monitor traffic; but it also increased
the responsibilities that the controllers had to bear.
979 marked a further milestone in the history of Geneva air traffic
services when the first female controller began her tower work. The
same year, the Swiss government approved the construction of a new
control tower.
In 1980, information technology was used for the first time to
identify aircraft on the radar screen. Since then, every aircraft
shown on the screen has been displayed with its flight number. And
since 1983, the flight plans submitted by pilots have been processed
by computer. This electronic processing enables the key data of any
flight - such as heading, altitude and identification - to be
automatically printed out at the workstation of the controller
monitoring it. This eliminated the manual transfer of such data
(which was often repeated many times over), and with it a further
source of potential errors. On 4 December of the following year,
1984, Radio Schweiz AG put the present Geneva control tower into
service. Skyguide and its recent predecessors have continued to
further enhance their systems and processes ever since.

Pictures of the control tower:

1st tower 1948-1984
2nd tower 1950-1984
Tower 1984 under construction
Tower 1984 on the inside
Current control tower 1984-today


skyguide
swiss air navigation services ltd.
media relations
CH-1215 Geneva 15

Contact:
phone: +41 22 417 4008
email: presse@skyguide.ch

internet: www.skyguide.ch


Skyguide is responsible for providing air navigation services within
Swiss airspace and in the airspace of certain adjoining regions in
neighbouring countries. The company guides the civil and military
aircraft entrusted to its care - around 3 400 flights a day or 1.24
million a year - through some of the busiest and most complex
airspace in Europe. Skyguide is a non-profit limited company which
has its head office in Geneva. The majority of its shares are held by
the Swiss Confederation. The company generates annual operating
revenue of over CHF 372 million and employs some 1 400 people at 14
locations in Switzerland. Skyguide is also a member, together with
its sister organisations in Belgium, France, Germany, Luxembourg and
the Netherlands, of the FABEC initiative to create a common
functional airspace block that will bring greater efficiency to
Central Europe's air traffic management services and activities.


The media release can be downloaded from the following link:



--- End of Message ---

skyguide
Postfach 1518 Zürich-Flughafen Switzerland

WKN: 1957462;
ISIN: CH0019574620;
Listed: Domestic Bonds in SIX Swiss Exchange;
Copyright © Hugin AS 2009. All rights reserved.



 
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