Mid-Continent Instruments and Avionics CHRONOS Digital Clock 6420093-5 28V

Mid-Continent Instruments and Avionics CHRONOS 6420093-5 is a 28 V digital clock designed for installation in a standard rear-mounted 57 mm (2¼ in) avionics panel cut-out. It combines timekeeping and flight-timing functions with integrated dual USB charging capability.

The white six-digit, seven-segment LED display is daylight readable and supports automatic dimming via the internal photocell or external panel-lighting control. An internal replaceable battery retains clock time and flight-timer memory when aircraft power is removed.

• Manufacturer part number: 6420093-5
• Power input: 22–32 VDC
• USB charging output: up to 75 W total, 6.0 A; variable 5–20 VDC
• Dual USB-A and USB-C Power Delivery charging ports
• Display modes include local time, UTC/Zulu time, flight timer, countdown timer and stopwatch
• Additional display functions include bus voltage, outside-air temperature and secondary air temperature; temperature probes are not included
• Selectable 12- or 24-hour clock format, with seconds display selectable on or off
• Clock accuracy: ±0.5 seconds per 24 hours

A compact panel-mounted solution for aircraft requiring a digital clock/chronometer together with high-power USB charging capability.