Sigma Aircraft

Models

1 ultralight

Seats

2

Engines

Rotax 912 ULS

Cruise speed

92 kt

Registered

2

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Aircraft built by Sigma Aircraft

1 model

Sigma Aircraft Sigma-4 The Sigma Aircraft Sigma-4 is a fixed-wing ultralight aircraft featuring a twin-boom layout and a side-by-side seating configuration for two occupants beneath an elevated single engine. Ultralight · Russia