Features Vibration Damping, Unlimited Blade Life, FOD Repairable MT-Propeller Entwicklung (Development) GmbH (Ltd) announced it has received the Supplemental Type Certificate from EASA, the European Union Aviation Safety Agency, for the installation of its 3-blade scimitar light-weight composite propeller MTV-9-B-C/C180-50 on the Slingsby T67 Models T67M260 Firefly and T67M200 Firefly powered by the Lycoming AEIO-540-D4A5 (T67M260 Firefly) and Lycoming AEIO-360-A1E, AEIO-360-AIE6 (T67M200 Firefly) engines.