Structural Monitoring Systems (ASX:SMN) reported Friday fiscal third-quarter net profit after tax of AU$1.2 million, down from AU$1.5 million a year earlier.

Avionics revenue for the three months ended March 31 increased to AU$5.7 million from AU$5.4 million in the prior year, while contract manufacturing revenue declined to AU$2.2 million from AU$2.5 million over the same period.

The company's shares rose around 7% in recent Friday trade.