Omnia ASI & OAT
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Flybox Omnia ASI-OAT (57 mm & 80 mm)
The Flybox Omnia ASI-OAT is a high-accuracy digital airspeed indicator and atmospheric computer engineered for Ultralight, Light Sport (LSA), and Experimental aircraft. Combining Indicated Airspeed (IAS), calculated True Airspeed (TAS), and Outside Air Temperature (OAT) on a high-visibility colour graphic display, it delivers immediate airspeed situational awareness with customisable V-speed range arcs. Available in standard 57 mm (2-1/4″) and 80 mm (3-1/8″) round panel cutouts.
Choosing Your Instrument Size
Select the standard round aviation cutout diameter that matches your panel arrangement:
Omnia ASI-OAT 57 mm (2-1/4″)
Tailored for tight instrument layouts, tandem cockpits, glider panels, or secondary co-pilot stations. Delivers complete graphical airspeed dials, TAS calculations, and atmospheric readouts in a compact 57 mm footprint.
Omnia ASI-OAT 80 mm (3-1/8″)
The direct drop-in replacement for traditional 3-1/8″ mechanical airspeed dials. Features an expanded circular scale, larger high-contrast digital fonts, and enhanced peripheral readability for primary pilot flight scans.
Operational Capabilities & Airspeed Safety
Complete airspeed and ambient environmental tracking in a single glass face:
True Airspeed Computation
By combining pitot-static dynamic pressure with live Outside Air Temperature (OAT) from the external probe, the internal flight computer continuously calculates and displays accurate True Airspeed (TAS).
Custom V-Speed Markings
Easily program your aircraft's precise operating envelopes: White arc (Vfe), Green arc (normal flight), Yellow caution band (Vno to Vne), and Red limit line, matching your Pilot Operating Handbook (POH).
Aural & Visual Over-Speed Alarms
Equipped with an audio line-out for clear spoken voice alerts directly into your headset intercom when approaching Vne, paired with two open-collector outputs to drive external cockpit warning lights.
Automatic Peak Flight Logging
Includes internal non-volatile memory that logs maximum indicated airspeed and flight hours per trip, allowing convenient post-flight inspection and accurate airframe maintenance record-keeping.
Technical Specifications
| Panel Cutout Standards | Standard 57 mm (2-1/4″) or 80 mm (3-1/8″) round aviation hole |
| Operating Voltage Range | 10 V – 30 V DC (Typical current draw ~120 mA @ 12 V / ~1.5 W) |
| Airspeed Measuring Range | Configurable full scale up to 450 km/h, 240 knots, or 280 mph |
| Pneumatic Interfaces | 2x Rear pneumatic ports: Pitot (Dynamic) & Static (Ambient) |
| OAT Measurement Range | -40°C to +80°C (-40°F to +176°F) via external probe |
| Display Characteristics | Sunlight-readable graphic colour TFT LCD with adjustable dimming |
| Aural Warning System | Integrated audio line-out for connection to aircraft intercom system |
| External Alarm Outputs | 2x Programmable NPN open-collector outputs (max 500 mA each) |
| Bus Communication | CAN-bus 2.0B interface for Flybox network telemetry integration |
| Operating Temperature Range | -20°C to +70°C (non-condensing humidity) |
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Technical Inquiry for Omnia ASI & OAT
Confirm wiring loom compatibility, panel depths, or kit lead times with our engineering team.