Carne made his test début for Australia in the second test of the 1991 Trans-Tasman Test series against New Zealand at the Sydney Football Stadium. He crossed for a try as Australia defeated New Zealand 44–0.
Carne's first Test appearance for Australia occurred during the second Test of the 1991 Trans-Tasman series against New Zealand at the Sydney Football Stadium, resulting in an Australian victory with a score of 44–0.