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The Davtron M803 provides universal, local, flight and elapsed time w/display annunciators for all. It also provides Outside Air Temperature(ºC & ºF) and volt readout. Flight time is recorded in hours and minutes, and it has an alarm with an external output provided forflight and elapsed time. This clock mounts in a standard 2-1/4” hole.

Displays each of the following:

  • Universal Time: 24 hour format
  • Local Time: 12 hour or 24 hour option
  • Flight Time (and alarm): Records in 99:59 standard
  • Elapsed Time Count Up: Starts in minutes, seconds then hours, minutes up to 99:59 hrs.
  • Elapsed Time Alarm: Activates at zero when counting down
  • Outside Air Temp (F or C)
  • Voltage Range: 8 Volts to 32 Volts +/- 1% full range


  • Two button control system in natural and error free. Setting operations are IDENTICAL for both alarm and time setting
  • Sunlight readable display
  • Display annunciations for UT, LT, FT and ET
  • Flight time recorded in hours and minutes
  • Flight time alarm with external output
  • Elapsed time count down alarm with external output
  • A 4 Megahertz crystal precision time reference

  • Weight: 5.02 ounces.
  • Battery Type: AA size alkaline.
  • Keep Alive Current: .00004 Amps.
  • Input Current: .2 Amps.
  • Input Voltage: 11 to 28 volts.
  • Voltage Range: 8 volts to 32 volts ±.2 volts Typ.
  • -55°C to +100°C ±2°C Typ.
  • Temperature Range: -67°F to +212°F.
  • Crystal Reference: -40C to + 60C .001%.

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California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.