Queensland Nationals Senator Susan McDonald has backed her conviction that new Civil Aviation Safety Authority regulations will do nothing to improve safety standards for Angel Flight users, going against the government line in the process.

If the Flinders Shire Council can scientifically prove the sustainability of an alluvial water source close to its 15 Mile irrigated agriculture project, it predicts 10,000 to 20,000ha of high value crops could be added to Hughenden's economy.

A small concrete crossing that annually causes big road blockages has been brought to the attention of federal assistant minister for freight transport Scott Buchholz.