AI America Preview 2008 10/7/08 10:09 Page 14
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Register free now www.aircraftinteriorsexpo-us.com
Sept 9, 10, 11 2008 | Long Beach Convention Center | CA-USA
SINGLE OR MULTI-PANEL KU-BAND
ANTENNA FOR AIRBORNE CONNECTIVITY?
QEST presents alternative design This might be a viable option for regional airlines, but it is certainly not for
A single panel antenna is well suited for Ku-band satellite communications the global players.
on flight routes in higher latitudes, e.g. in North America, Europe or across As an alternative to the antenna designs discussed above, QEST is
the North Atlantic. Those antennas are small, lightweight and have little presenting an antenna where full L-band Inmarsat functionality is added to a
mechanical complexity. But due to geometrical and regulatory reasons, single Ku-band panel.
their performance is strongly limited when the aircraft is flying close to or In higher latitudes, this QEST antenna operates in “Ku-band mode”. Due
even across the Equator. to different characteristics, satellite communications in L-band is not that
Near the Equator, a narrower antenna beam is needed. The solution may critical around the Equator. So QEST’s combined antenna switches to
be a multi-panel antenna, where two or more moveable panels are used to “L-band mode” as the aircraft comes close to that region. And due to
form a larger antenna area required for a narrower beam. Obviously, those Inmarsat’s global coverage, L-band is also a fallback solution in areas with
designs are penalized by additional weight, increased mechanical no Ku-band satellite coverage.
complexity and, as a consequence, by reduced reliability. And multi-panel Hence QEST achieves global coverage by means of small and lightweight
antennas come to their limits in higher latitudes, where the individual panels single panel antennas combining Ku- and L-band functionality.
start shading each other.
So there is no economical “one fits all”-solution in Ku-band. Is the QEST - Dual Band Airborne Broadband Antennas www.qest.de
antenna selection then to be made according to the airline’s flight routes? See us next door: WAEA, booth 369
TAKE COVER
INNOVATION IN INSULATION
Polymer Technologies will be exhibiting their next
generation Polydamp
®
Hydrophobic Melamine
Foams at Aircraft Interiors Expo, America’s.
Polydamp
®
Hydrophobic Melamine Foams
(PHM and PHM-UL) are the only open-cell aircraft
Metzeler TRS is pleased to insulation that do not readily absorb moisture.
announce the release of a new PHM and PHM-UL are helping change the way
single-layer backing Non-Textile aircraft are insulated for thermal and acoustical
Floor Covering (NTF) for the performance. These remarkable foams
787 Programme. significantly reduce system weight, greatly reduce
Airflex
®
GP AB2 incorporates fabrication and installation labour, and eliminate
the proven Silicone-based wear thousands of fasteners. PHM foams exceed FAR
surface demonstrated by the 25.853 and 25.856 requirements.
existing Airflex
®
62 material with Polymer Technologies Booth 667
a new smooth backing material
for superior impact and
telegraph resistance. Airflex GP
AB2 is delivered pre-cut, pre-
seamed, with a new Acrylic
adhesive film already applied to
the backing for rapid installation.
TAKE YOUR SEATS
The new backing material
provides significant A brand new economy seat from ZIM GmbH will make its aluminium materials with carbon fibre structures. The
improvements in adhesive tape first public appearance at Aircraft Interiors Expo America’s. result is an economy class seat weighing less than 20 lb
adhesion, buckling resistance The seat is designed to be installed in single aisle aircrafts (9 kg) per seat place.
and resistance to handling from Boeing and Airbus. Consequently, the configuration is Prototype testing with these triple economy seats has
damage at installation. Airflex
®
a triple seat. Due to its modular assembly it is possible to already been performed. The tests have been conducted
GP is fully tested and is a direct adapt the seat easily to all other configurations. This according to the requirements from the relevant
replacement for Airflex
®
62 modularity allows a trouble-free adaptation to layouts for certification authorities. All static g-load cases have been
already in wide use on Boeing first market and retrofit requirements. tested and in addition, a 16g forward crash test has also
and various other OEM aircraft. The main advantage of the seat is the light weight been executed. All tests were passed with excellence.
Metzeler Booth 840 structure. ZIM engineers have combined high strength ZIM GmbH Booth 463
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