Avionics Report

September 2013 Issue

Levil iLevil AW: Cut-rate ADAHRS

If you’re willing to fool with the plumbing, this portable ADS-B box will output honest, no-kidding airspeed. Still, it’s not reliable enough for backup.

Amidst the swarm of ADS-B portables we saw last spring was Levil’s iLevil, which combines ADS-B with a MEMS AHRS for display on cockpit tablets. (See the June 2013 Aviation Consumer for a report.) Levil has followed up with the $1395 AW model, which adds pitot/static sensing to the basic AHRS. So instead of GPS groundspeed and pressure altitude, the device—running through a tablet app—will display indicated airspeed and pressure altitude.

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