References in periodicals archive ?
To see the IFD540 in the real world, we recently went flying with the uncertified unit in Avidyne's Cessna 182 test bed--disproving the conspiracy theory that the IFD doesn't really exist.
The DOE has suggested that anyone who installs uncertified 'mix and match' condensing units and evaporators might have violated the law by selling or installing uncertified units.