Although still being tested, improved aircraft-monitoring sensors show promise for reducing the need for hands-on maintenance, as well as MRO costs.

To improve monitoring of engine function, Southwest will install bleed air temperature-monitoring sensors on its 737NG fleet.

Empire Airlines has initiated an extensive electronic flight instrument system (EFIS) modernization project for its ATR freighters. Under its EFIS Screen Replacement Program, the cargo carrier plans to install a current-generation display suite on its entire ATR fleet, consisting of 11 ATR 42-300 and -320s and seven ATR 72-212s.