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Wed, Apr 08, 2015

Aspen Introduces Integrated Angle Of Attack (AOA) Indicator

Software Upgrade For Evolution System Makes Safety Feature Easy

Aspen Avionics announced today the introduction of its integrated Evolution Angle of Attack (AOA) indicator. Unlike other AOA solutions, Aspen’s patent-pending solution seamlessly integrates AOA technology directly into its Evolution primary flight and multi-function displays.

“The FAA is aggressively promoting the use of AOA-based systems to reduce general aviation accidents caused by loss of control,” said Perri Coyne, director, marketing operations. ”We are offering a software-based derived angle of attack function that provides real-time stall margin awareness without hardware, cabling or aircraft modifications. The aircraft modification consists of a simple software upgrade to the Aspen primary and multi-function flight displays and requires a short calibration flight as part of the return to service,” said Coyne.

Since Aspen’s Evolution AOA indicator calculates angle of attack from the flight envelope data received from the air data computer and attitude heading reference system (AHRS) integrated in the Evolution 1000 PFD or Evolution 1000 MFD, and a certified GPS, it does not require additional hardware, nor does it require any external aircraft modifications or sensors.

System benefits:

  • Improves safety –provides real time flaps up and down stall margin awareness - enables the pilot to see the available lift before changing the configuration - crucial when making a go-around.
  • Intuitive display– provides an immediate, clear visual display of trend toward stall and stall margin. Pilot comprehends important information at a glance.
  • Easy installation – Requires no additional probes, wiring or equipment. Installation cost and down time are minimal.
  • Primary Field of View – AOA is displayed on the Aspen PFD or MFD. Information is displayed in pilot’s natural field of view.

Aspen anticipates its Evolution AOA will be available in July 2015.

(Images provided by Aspen Avionics)

FMI: www.aspenavionics.com

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