The memo advising that all aircrew and aircraft have been placed under the Adastra subsidiary company Sepal Pty. Ltd. (Kevin Pavlich Collection)

The original Sepal was formed by Morry Lawrence who coined the name as an acronym of Sales Engineering (alternatively Efficiency) Procurement Agencies and Loading. The name was pronounced "See-Pol". (Source: Morry Lawrence via Doug Morrison). Sepal Pty Ltd was acquired by Adastra in late 1957.