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fourth quarter of 2002, indicating that the
flight planning community had fully adapted
to the more rigorous flight plan checks
necessitated by RVSM.
There was a 5.2% increase in the average
daily number of messages received
by IFPS. This continued to exceed traffic
growth in the CFMU area reflecting a
continuous increase in flight plan and
associated message submissions and an
extension of the use of AFP (Airborne
Flight Plan) messages. These messages
are submitted to the CFMU by Area
The transition to
Reduced Vertical
Separation Minima
was handled very
smoothly from a flight
planning perspective.
42 - 43 I Central Flow Management Unit
Control Centres (ACCs) where either no
FPL was originally held or where major
changes in the FPL have been initiated
by an ACC.
The percentage of flight plans originating
from repetitive flight plans is 49.38%,
which represents a decline of 3.51%.
The CFMU has recently conducted a
client satisfaction survey with respect to
the RPL/RCT service but the results are
not yet available. The Flight Data
Operations Division is actively examining
ways of improving the attractiveness and
flexibility of this service to our clients.
The introduction of Ukraine to CFMU
operations provided RPL with 16 new
clients and added a requirement for the
provision of Bulk Output to the five
Ukrainian ACCs.
A steady increase in the number of
routes available in the route catalogue
was recorded during 2002. In addition to
providing routes for ATFM re-routings,
the catalogue is also extensively used by
several airlines for verifying their own
route databases. The average number of
routes available increased from approximately
20,000 in January to over 27,000
by December.
Usage of the IFPS test system (IFPUV)
showed a steady increase (average
number of queries per day rose from
1,400 to 2,400). This facility has been
available via the normal communications
channels (AFTN, SITA) and via public
Internet since late 2001. Many aircraft
operators use this tool (increasingly via
Internet) to validate both individual flight
plan occurrences and company route
catalogues prior to each AIRAC data
cycle. The tool forms an increasingly
important part of the flight planning
assistance services provided
by the CFMU and together with other
services will be significantly developed
in the coming years.
Evolution of RPLs - Average daily total
Evolution of RPLs - Percentage of total FPLs
Flight plan processing - Transmission times 2002
89.72%
< 10 min
6.04%
> 10 min
2.20%
> 20 min
1.39%
> 30 min
0.65%
> 60 min
1,100
1,200
1,250
1,300
1,150
1,350
1996 1997 1998 1999 2000 2001 2002
0%
20%
30%
40%
10%
50%
60%
70%
1996 1997 1998 1999 2000 2001 2002
CFMU SYSTEMS DEVELOPMENT
In February 2002, ETFMS entered full
operational use, initially with surveillance
data provided by France, the
United Kingdom and the Maastricht
Upper Area Control Centre. By the end
of 2002, surveillance data from
Belgium, Denmark, Ireland, the
Netherlands, Norway (Oslo ACC),
Slovenia and Switzerland had been
added and were used operationally.
Operational evaluation has started for
the validation of surveillance data from
the Czech Republic, Germany, Italy,
Portugal and Slovakia.
During 2002, the migration of remote
client access to a higher performance
and more cost-effective network was
completed for ATS sites and aircraft
operators. Improvements in the CFMU
Internet application and supporting
infrastructure resulted in a rapid spread
amongst CFMU clients: at the end of
November 2002 there were 106 air
traffic service sites and over 220 aircraft
operator sites connected through
the dedicated network and more than
500 aircraft operators sites connected
via the Internet, which represents a total
of 1,630 remote users.
Airspace data operations
The CFMU maintains a database
containing comprehensive details of the
air traffic services organisation for the
CFMU area and its surroundings
(Environment Database, ENV).
It provides data for use by all the CFMU
systems. The accuracy and effectiveness
of these systems depend, to a large
extent, on the accuracy and consistency
of the air traffic services system data
managed in the ENV system.
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本文链接地址：
EUROCONTROL Annual Report 2002(23)
