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Flight Data System GD-40 Carbon Monoxide Detector

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Part# 11-09843
MFR Model# GGD-40


Four Ways to Alert:
  • Digitally through your EFIS
  • Aurally through your Audio System: "Danger Carbon Monoxide"
  • Via a Two Color LED
  • Via a switched relay to a Lamp, EFIS input or Tone Generator
Three Alert Levels:
  • Low: 50 to 100 PPM - Flashing green LED, Voice Alert: "Caution, Carbon Monoxide"
  • Medium: 100 to 400 PPM - Steady Red LED, Voice Alert: "Warning, Carbon Monoxide"
  • High: Greater than 400 PPM - Flashing Red LED, Voice Alert: "Danger, Carbon Monoxide"
California Prop 65 Warning Symbol

WARNING: Cancer and Reproductive Harm -


  • Integrates with most EFIS Systems - Connect via RS232 or a Switched Input
  • Audio Voice Alerts
  • LED and Discrete Warning/Status Outputs - Two color LED included
  • Monitors Cabin Altitude - Aural Alerts to remind you to don your Oxygen Mask
  • Calibrated Using Precision Gas - Each unit is individually calibrated and tested before shipping
  • Built in Self Test Monitors Sensor Quality - Continuous self testing for reliability
  • Altitude and Temperature Compensated - Has an internal Altimeter and Thermometer
  • Remote Mounting Takes No Panel Space
  • No Special Tools Required For Installation


  • 12-28 volt Compatible
  • Detects CO as low as 10 PPM
  • Calibrated up to 25,000'
  • Dimensions: 4.7 X 3.1 X 1.0 inches
  • Weight:4.1 oz.
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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Can I install and use the GD-40 in my Piper Saratoga?

No, these units are not FAA Approved for installation in certified aircraft.

Q: Dont see this mentioned in the specs, but is the alert signal active low or high? In other words, my EFIS has discrete inputs that look for a line to ground in order to activate the warning.

The discrete output is active low.

Q: Will the Flight Data System GD-40 integrate with Dynon SkyView?

Yes, this unit will be able to function within the Dynon Skyview.

Q: Is this unit compatible with the Garmin G3X? Are there any other components required for a full install?

Per the manufacturer, it is compatible. It requires wiring to the display.

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