Guardian Avionics

Guardian Avionics (CO Guardian LLC) makes carbon monoxide detectors, USB power supplies and iPad panel mounts for general aviation. Established in 1999, the company is based in Tucson, Arizona, with its headquarters at Tucson International Airport (KTUS) and its contact address at 1840 E Valencia Road, Suite 216, Tucson, AZ 85706. Its president and founder is Ash Vij. The site says its products serve both the experimental and homebuilt market and the FAA-certified market with TSO-certified units, and that it is a member of the AEA, AOPA, EAA, NBAA and the Arizona Business Aviation Association.

Products

• Carbon monoxide detectors for certified aircraft: the TSO-certified AERO 452 (with variants for the Garmin G1000 and Dynon SkyView HDX), AERO 551 with a digital CO ppm display, and AERO 553 multi-function display with clock, timer, temperature, voltage and density altitude; plus remote-mount and portable units, cabin pressure warnings, and remanufactured certified detectors
• Dual USB-A and USB-C power supplies, FAA certified
• smartPanel mounts for iPad mini, iPad Pro, iPad Air and iPhone models, with power supply packages, for FAA-certified aircraft
• Products for experimental aircraft

The site says many of its CO detectors are TSO-C48A certified and integrate with the Garmin G1000 through the GIA 63 with no extra engineering, and that CO Guardian products have been installed in thousands of aircraft over 25 years.

Cirrus

Guardian Avionics states that its CO detectors are installed as standard safety equipment by aircraft manufacturers including Cirrus Aircraft, alongside Cessna, Piper, Diamond, Mahindra Aerospace and Beechcraft. The home page summary also says the company is trusted by Cessna, Cirrus and Piper.

Contact

Description from the company's website (October 2026). Not a Cirrus Aircraft authorized service center. Is this your company? Claim this page to add photos and keep your details up to date.