Singapore Airlines will deploy the Boeing 787-10 on one of its four daily flights from Singapore to Perth in May.
The carrier has already announced Osaka as its maiden scheduled 787-10 route. The type will also be deployed on selected services to Bangkok and Kuala Lumpur ahead of that.
The new aircraft will accommodate 337 customers in a dual-class layout, which features a new regional business class hard product.
SIA is due to take delivery of the first of 49 Rolls-Royce Trent 1000-TEN-powered 787-10s it has on order in March.