Sat, Feb 09, 2008
ADDU Part Of Several Upgrades
Revue Thommen AG announced this week the selection and
installation of its AD32 Air Data Display Unit (ADDU) for the
upgrading of a fleet of six An-26 aircraft operated in Poland.
The upgrade program was completed by Aviation Service, Prague,
in late 2007. This fleet upgrade followed the installation of the
AD32 in an Antonov An-26 operated by the Slovakian Air Force, which
was the initial installation in an upgrade program that will be
extended into 2008.
In a related development, the Czech Air Force has also selected
the AD32 for the LET L410 avionics upgrade program. The first
aircraft in this program should be completed in the second Quarter
of 2008, with additional aircraft upgrades being completed
throughout the year.
Besides highly accurate altitude information with a maximum
scale error of +/- 3m (10ft) below 6096m (FL200), the AD32
significantly improves flight safety. The fully customized DO-178B
Level A certified ADDU features an integrated altitude alerter. In
the An-26 integration the Thommen ADDU provides air data
information to a Honeywell EGPWS and transponder.
Aviation Service a.s. is an important avionics, special systems
and engineering company in Central Europe active in the military
and commercial aviation market. Besides their headquarters in
Prague, Aviation Service a.s. also has operations in Warsaw
(Poland) and Ljubljana (Slovenia).
Revue Thommen AG, based in Waldenburg, Switzerland, manufactures
aircraft instruments and air data systems used worldwide on a full
range of aircraft types from helicopters to corporate aircraft and
Thommen is ISO 9001:2000, EASA Part 21 and EASA Part 145
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