The uAvionix AV-20-S is a compact digital standby flight instrument designed to enhance cockpit redundancy and situational awareness in experimental and light sport aircraft. Installed in a standard 2-1/4 inch round instrument cutout, the AV-20-S replaces legacy mechanical standby instruments with a modern, solid-state display.
Standby Attitude and Flight Data
The AV-20-S provides reliable pitch and roll attitude information using internal solid-state sensors, eliminating the failure modes associated with vacuum-driven gyros. In addition to attitude, the display can present slip/skid indication, g-load, GPS ground track, and other configurable flight data.
Multiple display modes allow pilots to tailor the instrument for use as a standby attitude indicator, situational awareness aid, or performance reference.
Angle of Attack Capability
The AV-20-S includes integrated angle of attack (AoA) functionality when connected to appropriate pressure sources. Visual AoA cues assist pilots in managing energy state, approach consistency, and stall margins, providing valuable feedback during critical phases of flight.
This feature is particularly beneficial in experimental aircraft, where performance characteristics can vary widely.
Internal Backup Battery
An internal rechargeable backup battery allows the AV-20-S to continue operating in the event of aircraft electrical system failure. This capability makes it well suited as a standby instrument, supporting continued attitude awareness during partial or complete power loss.
Modern Display and User Interface
The high-contrast color display is designed for readability across a wide range of lighting conditions, from bright sunlight to night operations. Bezel-mounted controls provide intuitive access to menus, configuration options, and mode selection without excessive pilot workload.
Display layouts and color themes are configurable, allowing the instrument to match pilot preference and cockpit design.
Flexible Installation for Experimental Aircraft
The AV-20-S installs directly into existing 2-1/4 inch panel cutouts, minimizing installation time and panel modification. Experimental approval allows flexible configuration and integration, making it suitable for a wide range of aircraft types and panel layouts.
Firmware updates enable feature enhancements over time, extending the useful life of the instrument and allowing it to evolve alongside the aircraft.
Key Benefits
- Compact digital standby flight instrument
- Standard 2-1/4 inch round panel form factor
- Solid-state attitude with slip/skid and g-load indication
- Integrated angle of attack functionality
- GPS ground track display when connected to a compatible source
- Internal backup battery for power-loss protection
- Configurable display layouts and color themes
- Designed for experimental and light sport aircraft
The uAvionix AV-20-S offers aircraft builders and owners a modern, lightweight solution for standby flight instrumentation, combining redundancy, flexibility, and advanced situational awareness in a compact package.
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