Overview
![]() Five-In-One Standby Instrument The SAI-340 Quattro Plus is a five-in-one attitude, airspeed, altitude, slip indicator that includes Instantaneous Vertical Speed (I)VSI. With smooth, high-quality graphics and an easy to read EFIS presentation, the Quattro Plus makes a great addition to a traditional six pack panel. This instrument is a cost-effective way to replace steam-gauge standby instruments in retrofit EFIS-equipped aircraft.
Additionally, the Quattro Plus has a built-in battery which provides up to two hours of stand-alone operation if needed—thus ensuring an added level of redundancy. The MFD fits directly into a standard round 3-inch instrument hole with no panel modification, making it a near drop-in installation. |
Features
- TSO’d Airspeed, Attitude, Altitude, Slip and (I)VIS
- Full Solid State Reliability
- Integral Backup Battery
- Air-Transport Quality Graphics
- Standard 3” Instrument Hole Mounting
Specifications
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Electrical:
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Input Voltage
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10-32Vdc | |
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Current
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2A Max | |
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Mechanical:
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Dimensions
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3.52” x 3.25” x 1.4” | |
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Weight
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0.51 lbs. | |
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Environmental:
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Temperature
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-20o to +55o C | |
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Altitude
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-1500 to +35,000 Ft | |
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Airspeed
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20-400 Kts | |
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Battery:
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Li-Poly | |
| 30 Minutes Minimum | ||
| 2 Hours Nominal | ||
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Certification (pending):
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TSO-C2d (Type B) | |
| TSO-C3e | ||
| TSO-C4c | ||
| TSO-C10b (Type I) | ||
| TSO-C113a | ||
| TSO-C201(A5 HX T7) | ||
| RTCA DO-347 | ||
| DO 178C (Level C) | ||
| DO 160G |
Documents
- TSO Approval (PDF)
- Policy Statement (PDF)
- Pilot’s Guide (PDF)
- Install Manual (PDF)



