Aug 21 (Reuters) - Austal Ltd ASB.AX
* Asx alert-commercial ferry contract speculation-asb.ax
* Is currently in discussions with Fjord Line AS, a commercial ferry company in norway
* Fjord line has made a public statement concerning its purchase of a vessel to be built by austal
* Is negotiating potential sale of a 109 metre ropax catamaran to fjord line
* Contract will be valued at over $100 million