Singapore Airlines switched operation of the SQ213/SQ226 Singapore – Perth rotation from Boeing 777-200ER to Airbus A350-900 operation this morning and the SQ516/SQ517 Singapore – Kolkata rotation from Airbus A330-300 to Airbus A350-900 operation this evening. Airbus A350-941 MSN309, Singapore Airlines 9V-SHG, operating both inaugural A350-900 rotations.