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CHRONOMETER/M811 Digital clock. Displays universal time, 12 or 24 hour, field adjustable, local time and flight time, 2 1/4 internal mount, 6 digit display. 811B-1

CHRONOMETER/M811 Digital clock. Displays universal time, 12 or 24 hour, field adjustable, local time and flight time, 2 1/4 internal mount, 6 digit display. 811B-1
CHRONOMETER/M811 Digital clock. Displays universal time, 12 or 24 hour, field adjustable, local time and flight time, 2 1/4 internal mount, 6 digit display. 811B-1
CHRONOMETER/M811 Digital clock. Displays universal time, 12 or 24 hour, field adjustable, local time and flight time, 2 1/4 internal mount, 6 digit display. 811B-1
M811B Digital Clock | Flight Time Recorder, Elapsed Time Meter

The M811B Digital Clock is a multi-functional chronometer designed to operate under the most stringent operating conditions. It features three independent 6-digit solid state timing circuits: time, flight time, and elapsed time which can be controlled by the pilot. The incandescent display is readable in sunlight. Version 811B-1 has the ability to adjust local time to 12 hour or 24 hour setting. 

NOTE: 28V install requires the 811-28 Dropping Resistor (sold separately).   


  • 2 ¼" internal mount
  • Six-digit display on all 3 functions
  • Local time 12 hour or 24 hour (user selectable)
  • 24 hour flight time
  • 24 hour elapsed time counter
  • Sunlight readable display
  • Memory battery included

Product Codes

Mfr Part No:811B-1
ECCN:7a994
NSN:6645-01-074-2889
PMA:PQ1062NM
SCHEDULE B CODE:9104.00.0000
SIN:334511


Weight: 7.5 ozInput current: 0.4 ampsInput voltage: 14 vNVIS option: NVIS green A lightingLocal time: 12-hour or 24-hour (user selectable)Flight time: 24 hourElapsed time count up: 24 hourBattery type: 6 volt battery with 2-year operating life

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  • Stock: Warehouse
  • Manufacturer Part #: 811B-1
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