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Part #: AT660100

Model: LC-6





Part Number :

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  • The Astrotech LC-6 is a precision, five-function quartz chronometer designed specifically to meet the increased demands of IFR and VFR flight
  • Astrotech LC-6 chronometer uses a custom designed large scale integrated circuit (LSI) chip containing several hundred transistors
  • The LSI chip is attached to a single circuit board,
  • A simplified construction technique resulting in a high degree of reliability and performance
  • Circuitry is not subject to dirt, vibration, friction, or wear characteristics of mechanical clock movements
  • Liquid Crystal Display for excellent
  • sunlight readability
  • Full six-digit display
  • Simple three-button operation
  • UTC and local time
  • Elapsed timer
  • Down-counter with alarm capability
  • 100 hour remote-activated flight timer
  • Two year “keep-alive” battery life
  • Backlit for night flying. May be wired in aircraft’s own instrument panel lighting system
  • Rear mounts into standard 2-1/4” diameter instrument panel cutout



CLOCK: 12-hr. local time (LT) & 24-hr. universal coordinated time (UTC)  ELAPSED TIMER: 100-hr. capacity stopwatch (SW), stop & resort or reset to zero
weight: Less than 5 oz. (141.8 g) Power dual: Panel mounted, aircraft powered, intenal AAA keep-alive battery, 14 & 28V lamps for backup 
flight timer: 100-hr. capacity started & stopped by external input down counter: Presettable in hrs., min., & sec. for timing approaches or fuel management. May be wired for external alarm.
installation: Installs directly into standard 2.25” (57.2 mm) clock panel cutout for the panel part numbers, or mounts in the specified aircraft control wheels (see table below for part numbers) environment: LC-6 is qualified to all of the applicable sections of RTCA DO-160 for electrical & mechanical compliance
Display: Continuous readout using a Liquid Crystal Display for excellent readability in direct sunlight Keep-alive” feature: Clock maintains time from 2 AAA batteries with aircraft power removed
lighting: Display is backlit for night flying when connected to the aircraft instrument panel lighting system. 5V, 14V and 28V bulbs are included with each panel mounted clock    



Part Number: Description:     
at660100 Five Function Chronometer   



- LC6 Clock

NSN: 6645-01-198-3831

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