On the 28th of July the specialists of NIK Ltd continued preparing Tu-144 for the installation
Today we started water-proofing of the left wing outer panel joint and fuselage. We checked tightening of all pins. Then we cleaned the rakes and at the same time water-proofed the remaining access holes on the left panel.
After the panel water-proofing we started removing painters tape and cleaning the surface from the excess of gun grease.