IEEE - Aerospace and Electronic Systems - April 2021 - 40

Beneﬁts for Greek Regional Airports Through Innovative Approach Technology Using an LPV to GLS Converter: A Case...

Figure 2.
Measurement campaign data obtained on August 29-30 at CFU
(top) no inflation (bottom) with protection level inflation. The vertical alert limit (VAL) of 41.9 m is taken at 764 ft above aerodrome level.

Figure 3 follows the same analysis for Thessaloniki. In
Figure 3 (top), we show a uninflated availability of 99.95%
and using the inflation method, it drops to 98.34% shown in
in Figure 3 (bottom). Equally, no misleading or hazardously
misleading information occurred at any time. We took the
VAL of of 48 m at 973 ft above aerodrome level, where the
missed approach for the existing procedure must be initiated.

EXPERIMENTAL FLIGHT TESTING
On February 14, 2020, we flew DLR's Advanced Technology Research Aircraft (ATRA) to Thessaloniki Airport to
conduct GLASS flight tests.
40

Figure 3.
Measurement campaign data obtained on September 3-4, 2019, at
SKG. (Top) No inflation (bottom) with protection level inflation.
The vertical alert limit (VAL) of 48 m is taken at 973-ft above
aerodrome level.

The ATRA is equipped with the current Thales Flight
Management System (FMS) version 2 and a basic Flight Test
Instrumentation (FTI). The FTI provides ARINC 429 [1] data
acquisition from the base avionics, as well as additional sensors such as precise high-quality GNSS receivers, data storage
and real time visualization of this data to the flight test engineer. The FTI consists of six CRONOS data acquisition units
by IMC (http://www.imc-berlin.com/applications/aerospace/),
three controlling computers, and seven display screens for two
engineer workstations. From the FTI, a custom data stream
can be provided to further experimental stations if needed.
Unfortunately, the VHF frequency transmission permission was not yet available, thus we were forced to

IEEE A&E SYSTEMS MAGAZINE

APRIL 2021

http://www.imc-berlin.com/applications/aerospace/

IEEE - Aerospace and Electronic Systems - April 2021

Table of Contents for the Digital Edition of IEEE - Aerospace and Electronic Systems - April 2021

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IEEE - Aerospace and Electronic Systems - April 2021 - Cover1
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