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MID-CONTINENT INSTRUMENT & AVIONICS QUARTZ AIRCRAFT CLOCK

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Lighted
Select Voltage:
14 Volt28 Volt
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Overview

Designed for accuracy, this precision clock is manufactured to meet rugged aircraft environmental standards. High-quality, solid state quartz movement. Comes with a factory one year limited warranty.

Available in either "LIT" or "UNLIT", 14 Volt or 28 Volt

Application:
    Most GA Aircraft including:
  • Robinson Heli
  • Piper
  • Cessna
  • Beech

Features/Specs

  • FAA/PMA approved
  • Precision quartz movement
  • Transient and reverse polarity protected
  • One year limited warranty
  • Continuously powered by aircraft battery
  • Low power consumption (3mA)
  • Fits standard 2-1/4" panel hole
  • Dimensions: 2.5 x 2.5 x 3.2 inches max
  • Weight: 0.5 lbs.
  • Altitude: -1,000 to +55,000 feet
  • Mounting: Front or rear panel

FAA Approval

  • This part has PMA approval but may still require a FAA 337 form for installation.
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Reviews

Pricey, but high quality clock. I put it on my bench power supply and can confirm it draws less than 3mA at 12V, and has kept accurate time for 2 days now. The clock is powered via two 6-32 studs on the rear and can run on 8-32 volts. It weights 5.34 oz. The backlight uses two small incandescent bulbs on a PCB module that attaches to the top edge of the clock and is powered via two wire leads about 12 long. It lights the face from above and draws 70mA in operation (the 12/14V version). The light module is attached with two 4-40 flathead screws. These screws are not self-tapping, and thread into unthreaded plastic holes about 0.25 deep on the top of the clock. After struggling a bit with the screws, I used a 4-40 tap to thread the holes first, and then the screws went in cleanly and securely.

Bob J
July 7, 2018

Q&A

Q: Are the lighted versions of this Mid Continent Quartz Aircraft clock backlit?

Per the manufacturer: No. This item is bezel lit (edge lit), not backlit.

Q: When wired through the aircraft master switch, will the clock hold its time when the master switch is off?

This clock will require a constant power source. If power is removed it will have to be reset.

Q: Does this clock have a sweep second hand?

No, the MDL90L second hand ticks.

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