Background information Edit
Although the fighters seen by Chakotay were simulated, it stands to reason that the Vori would accurately reproduce the technology of their enemy for training purposes.
This aircraft was not identified in the episode. It was called a "Kradin Fighter" in the Star Trek Fact Files (File 40, Card 98).
The fighter was a CGI model originally created by Foundation Imaging as a human fighter for an unproduced animated movie called Vortex. (Star Trek: Voyager Companion, p. 463) The model was thus labeled with Latin letters and coats of arms, which are not discernible on screen. The model also shows the fighter's armament to be a gun beneath the cockpit and four missiles under the wings.