Overview

• The DIY helicopter’s main rotor blades detached on the ground in Omutninsky District, causing the craft to collapse before liftoff.
• Vladimir Trapeznikov, 88, suffered fatal head injuries and died hours after being hospitalized for the accident.
• The unregistered rotorcraft represented Trapeznikov’s fifth self-made flying machine, built without formal aviation certification.
• District emergency services confirmed to RIA Novosti that the blades detached during engine power buildup.
• His five homebuilt aircraft, starting with a 1985 maiden flight, underscore persistent safety and oversight gaps in amateur aviation.