https://aviationweek.com/3-blade-propeller-gipps-aero-ga8-receives-easa-stc
3-Blade Propeller For Gipps Aero GA8 Receives EASA STC | Aviation Week
MT-Propeller Entwicklung GmbH has received EASA supplemental type certificate for the 3-blade scimitar composite propeller MTV-9-B/200-58 on the Gipps Aero G
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