https://www.armyrecognition.com/focus-analysis-conflicts/air/aviation-defence-industry-technology/tsagi-tests-slon-aircraft-model
The Zhukovsky Central Aerohydrodynamic Institute (TsAGI) completed the first stage of aerodynamic trials of a model of the heavy Slon a
aircraft modeltsagitestsslon
https://www.armyrecognition.com/focus-analysis-conflicts/air/aviation-defence-industry-technology/tsagi-progressing-towards-low-noise-aircraft-development
TsAGI progressing towards low-noise aircraft development Russian aerohydrodynamics specialist TsAGI (a subsidiary of the Zhu
low noiseaircraft developmenttsagiprogressingtowards
https://www.armyrecognition.com/focus-analysis-conflicts/air/aviation-defence-industry-technology/tsagi-progressing-towards-light-convertible-aircraft-test-trials
TsAGI progressing towards light convertible aircraft test trials Experts of the Zhukovsky Central Aerohydrodynamic Institute
tsagiprogressingtowardslightconvertible
https://www.ainonline.com/aviation-news/business-aviation/2017-07-25/tsagi-plans-icao-chapter-14-compliant-ssbj
Russian company expects aircraft to produce a sonic boom with intensity less than 72 dBA or 78 dB SPL (sound pressure level).
aviation international newstsagiplansicaochapter