Wed, Jul 20, 2005
Just In Time For OSH
Sandia Aerospace is debuting its new
SAC 7-35 Air Data Computer at AirVenture 2005.
Today's integrated Navigation Systems, such as Garmin's GNS 430
and GNS 530 have built-in capabilities that until now have been
inaccessible by the majority of system owners. The SAC 7-35
provides the pilot with information to help plan and execute his
flight. Operational to 35,000 feet, the SAC 7-35 is being certified
as an Altitude Encoder for use with on board transponders, a Fuel
Flow System and an Air Data Computer.
The SAC 7-35 accepts Pitot, Static, Heading, Track, Fuel Flow,
Outside Air Temperature and Baro Correction. When interfaced to the
GNS 430 or GNS530 it provides real time display of Wind Direction
and Velocity, Density Altitude, Baro Corrected Altitude, Fuel Flow
and Out Side Air Temperature and True Air Speed. The wind
information can help the pilot select the best altitude to ensure
the most favorable winds.
Sandia says this translates into better fuel economy which is
increasingly important considering today's rising fuel prices. The
density altitude information can aid the pilot in determining if
takeoff distance. The fuel flow information aids the pilot in fuel
management procedures and will alert him should fuel become
critical. Keeping an eye on the Outside Air Temperature can alert
the pilot to possible icing conditions.
The SAC 7-35 has multiple altitude outputs, including Grey Code
for Mode C and Mode S transponders, dual RS232 pressure altitude
outputs for modern transponders and legacy GPS systems, dual RS232
Air Data outputs for onboard navigations systems and an ARINC 429
Air Data Output.
The SAC 7-35 also incorporates Sandia Aerospace's Altitude
In-flight Monitor (AIM) feature. AIM keeps a constant eye on the
pilot's selected cruise altitude and advises him should the
aircraft stray off altitude. When the pilot reaches his desired
altitude, he simply presses the panel mounted AIM push-button and
the annunciator displays the legend 'SET' to let him know that he
has set his altitude into the SAC 7-35 's memory. If he deviates
more than 100 feet, the AIM annunciator will display the legend
'ALT'. If he strays more than 200 feet, the 'ALT' legend will begin
to flash.
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