United Aircraft has transferred the prototype import-substituted Yakovlev SJ-100 to Moscow’s Gromov institute for flight certification testing.

The twinjet flew from the assembly plant at Komsomolsk-on-Amur to Moscow Zhukovsky airport, with an intermediate stop in Novosibirsk.

United Aircraft says factory development testing has been completed.

Although the aircraft is designed with a higher proportion of domestically-built components, and will ultimately be powered by Aviadvigatel PD-8 engines, the prototype still has PowerJet SaM146s.

SJ-100 prototype 97021-c-United Aircraft

Source: United Aircraft

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Yakovlev general director Andrei Boginsky says the retention of the Franco-Russian engines will “speed up certification”.

“At the same time, the remaining key systems of the aircraft – including avionics, landing-gear, auxiliary power unit, integrated control system, and the power-supply system – are already Russian,” he adds.

Once the PD-8 engine has passed a number of checks, two more SJ-100s will join the flight-test programme.

Boginsky says the airframer intends to carry out more than 200 test flights in order to be “200% sure” of the aircraft’s safety.

The aircraft has been stationed at the Yakovlev facility at the Gromov institute.

According to test pilot Leonid Chikunov, who flew the jet from Komsomolsk-on-Amur, the on-board systems functioned well. It cruised at an altitude of 11,000m (36,100ft) at over 430kt.

Chikunov adds that the landing at Novosibirsk demonstrated the twinjet’s “high degree of readiness”.