Digital GPS Clock

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The MD23-190 Digital GPS Clock offers 9 essential functions in one easy-to-read display. This TSO-certified Digital GPS Clock receives ARINC 429 input to sync with a GPS source. It can output time to external equipment and provide Estimated Time to your next waypoint. Night Vision Imaging System (NVIS) compatible versions are available.

• 9 Functions: Local Time, UTC/Zulu Time, Flight Timer, Countdown Timer, Stopwatch, Date, Time to Waypoint, Hobbs, Run Timer
• Receives ARINC 429 input to sync with a GPS source
• Maintains accuracy, even if GPS input is unavailable
• Outputs time to external equipment and provides Estimated Time (ET) to your next waypoint
• Clock settings include 12- or 24-hour mode and seconds ON or OFF
• Fits standard 2-inch panel cutout
• Rechargeable, field-replaceable emergency battery (available)
• Lightweight — 0.4 lbs
• Simple user interface — Single, push-and-turn control knob
• Daylight readable LCD and smooth, high-resolution graphics
• Manual external lighting control or built-in photocell for automatic dimming
• Night Vision Imaging System (NVIS) compatible (available)
• Field-upgradeable software via standard USB-A port
• TSO-certified (Design Assurance Level A)
• Designed and built in Wichita, Kansas, USA
• Two-year limited warranty

Power Input
10–32 VDC
0.14A @ 28 VDC; 4 watts nominal

Data Input
ARINC 429: Low or high speed; Labels 150, 252

Data Output
ARINC 429: Low or high speed; Label 150

Lighting
5, 14, or 28 VDC external control or internal photocell for automatic dimming

Battery
Rechargeable coin cell (memory only)

Rechargeable, field-replaceable emergency battery supply (available)
P/N 6430006-(1)
Technology: Nickel-Metal Hydride (NiMH)
Attributes: 0.25A @ 24 VDC nominal (6 Wh capacity)
Runtime: 60 minutes @ 0.25A

Weight
0.4 lbs (0.17 kg)

Mounting
Rear panel mounted, (4) #6–32 screws, 2.25-inch round bezel

Dimensions
2.43 x 2.43 x 1.0 inches (61.7 x 61.7 x 25.4 millimeters)

Mating Connector
MCIA P/N 9019162-1: 26-pin, D-Sub electrical connector (Quick Disconnect)

Certification
FAA TSO certified to C113b
RTCA DO-160G qualified
RTCA DO-178C qualified, Design Assurance Level (DAL) A

Rights
U.S. Patent 11,048,389