No. 6 OTU Base Torpedo Unit, and RAAF Beaufort Torpedo Operations This RAAF WW2 book is a concise record of the operations of No. 6 OTU Base Torpedo Unit, and RAAF Beaufort Torpedo Operations. The training unit was based at Nowra NSW they flew the Bristol Beaufort which was somewhat a difficult aircraft to fly. There were several fatal crashes. The Beaufort was made in Australia and was at that time the largest bomber ever built in Australia. A more famous variant of the Beaufort was the Beaufighter. An enthusiast of the Beaufort or the Beaufighter would find this book a must for reference. It has training manual pics of the whole inside of the plane. The detailed text is supported by a huge amount of action photos of aircraft and men.