A proposed airworthiness directive for certain Cessna 525 air conditioning (A/C) compressor motors was prompted by reports of smoke and/or fire in the tailcone. The AD requires inspection of the number of hours on the A/C compressor hour meter, inspection of the logbook and replacement of the brushes or deactivation of the system until replacement of the brushes. When the brush wears down, the rivet in the brush contacts the commutator, causing sparks and excessive heat build-up within the motor assembly.
Naasco Northeast has announced its Mercury Mod configured starter generators have accumulated more than one million combined flight hours on Eurocopters, including the AS 350, AS 355, AS 365, EC 120, EC 130, EC 135 and EC 145.
A casual glance at the item exhibited by Tesla Industries (Stand No. 723) could lead to the conclusion that it is a single-product company. That may be true in the broadest sense because its product catalog mostly lists ground power units that are similar in appearance, but all are notable for being one-man portable.