My Cart



Model #: CH93

CHRONOS Digital Clock / High Power USB Charger

2", Digital, Local Time, UTC/Zulu Time, Flight Timer, Countdown Timer, Stopwatch, Dual USB-A, 15W/3A out per port, 10–32 VDC

Manufactured by Mid-Continent Instruments and Avionics
Customer Rating
(Based on 24 vote(s))
1 review(s) | Add your review!
Availability List Price
New Outright
No core return required
Quantity Available: In Stock
  • List Price: $649.00
Sign In Locate a Dealer
  • Six-digit, seven-segment LED clock
  • Modes: Local Time, UTC / Zulu Time, Flight Timer, Countdown Timer, Stopwatch
  • Clock settings include 12- or 24-hour mode and seconds On or Off
  • Manual and automatic lighting control with programmable dimming curves
  • Internal, field-replaceable battery maintains time and Flight Timer memory, without aircraft power
  • Compact, 2-inch size fits standard panel cutout
  • 15 watts / 3 amps USB power per port
  • Compatible with Apple, Android and other USB devices
  • Protects itself and the charging device from short circuit, power surges and over-current potential
  • Designed and built in Wichita, Kansas, USA
  • 2-year limited warranty
Power Input
10–32 VDC; 36 W maximum
2.6A @ 14 VDC; 1.3A @ 28 VDC

USB Power Output
5.0 ± 0.25 VDC; 15 W, 3.0A per port

Clock Accuracy
±0.5 seconds in 24 hours, ± 3 minutes per year

5.0 oz (0.3 lbs)

Local Time, UTC / Zulu Time, Flight Timer, Countdown Timer, Stopwatch

Operating Temp
-40ºC to 70ºC (-40ºF to 158ºF)

55,000 feet

Rear-panel mounted, (4) #6 screws

2.39 x 2.39 x 1.15 inches

Connector Kit
MCIA P/N 9018178

USB Interface
Dual USB-A

Anodized aluminum black

FAA TSO certified to C71
EASA ETSO certified to C71
RTCA DO-160G qualified
Average Rating:
(Based on 24 vote(s))
Rate this product:
Dave From CYYZ
Default Time Display
December 27, 2020
Love this thing. We fly in UTC time and cross time zones regularly. It would be nice to have a configuration option to start in UTC time and switch to local rather than local and having to switch since local is seldom used.
0 of 0 people found this review helpful.