3/31 UA 179 EWR-HKG^
4/1 UA 895 HKG-SIN

First PMCO flight that had Ch 9. No announcement. Discovered accidentally when tuned to flight map and lo and behold, ATC chatter came on
Dead air on HKG-SIN PMUA bird but too tired to ask pilot (originated in VIE day before to ZRH-EWR-HKG-SIN).