The Robinson R22 Helicopter
This helicopter was going to be all about economy of operation. He designed the two-bladed helicopter, which would become the R22, in his southern California home. The process engulfed his entire house and he even cured some of the components, like the tail rotor, in the same oven he cooked with. The first flight of the Robinson R22 helicopter was in 1975, and four years later received its certification from the FAA.
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EASA STC for Beech B23 and C23 with 3-blade MT-Propeller MTV-18
Atting, August 2025 - MT-Propeller Entwicklung GmbH received the EASA STC 10086864 for the installation of the 3-blade natural composite propeller MTV-18-B/183-59( ) on the Beech B23 and C23 powered by a Lycoming O-360-A2G (B23) or O-360-A2G, -A4G, -A4J, -A4K (C23).
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The Danish CAA is proposing a restricted area along almost the entire Danish land-border with Germany. The purpose is for the police to patrol the border by drone, but the consequences are severe operational restrictions on two Danish airfields and problems for VFR traffic to fly across the border into Denmark.
read now3-blade MT-Propeller on Piper Pa-28-235/236 approved
Atting, August 2025 - MT-Propeller Entwicklung GmbH received the Revision of the EASA STC 10062339 R1 for the installation of the 3-blade propeller MTV-9-B/198-52 on the Piper PA-28-235 and PA-28-236 powered by the engines Lycoming O-540-B1B5 or Lycoming O-540-B4B5 (PA-28-235) and Lycoming O-540-J3A5D (PA-28-236).
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