Tinny my AOC lists the twins by model for CHTR and AWK, but the singles as SPEA<5700kg.
When his cross-hired Cherokee 6 was not available at short notice for a charter and a Cessna 206 was...the business was lost because CASA said that it would take 2 weeks to remove one and 2 months to put the other on the AOC.
...maybe you should bore us with the gruesome details, because this doesn't sound right to me
