In the FAA register this is listed as an AT-6D.

Former USN BuNo 51999 Event sponsored by EAA Chapter 1236

This is SNJ-5B USN Bureau Number 90800. It wasn't on display at the airshow, but was close enough to walk over and photograph.

At the Avalon Airshow 2009, Day Four - just touched down

Mike Falls' Harvard was a welcome visitor to the Australian International Airshow. Built to a USAAC order as AT-6D 41-34382, it went instead to the USN as an SNJ-5B, Bu43647. Sold ex NAS Litchfield Park, AZ, 24 Jul 57 and became N3274G with Growers Aerial Service, Imperial, CA. Several subsequent owners. Acquired by Mike Falls and shipped to Toowoomba, Qld, '89. Based at Essendon, Vic, since 1 Feb 90.

Mike Falls' Harvard used to appear more often than it seems to these days, so it was a welcome sight at the RAAF Museum Air Pageant. Built to a USAAC order as AT-6D 41-34382, it went instead to the USN as an SNJ-5B, Bu43647. Sold ex NAS Litchfield Park, AZ, 24 Jul 57 and became N3274G with Growers Aerial Service, Imperial, CA. Several subsequent owners. Acquired by Mike Falls and shipped to Toowoomba, Qld, '89. Based at Essendon, Vic, since 1 Feb 90.