Worldaerodata.com lists the PNG Navaids as below. Have fun finding many of them!!.
Air Services have been broke a long time now, what with "dividends" to the Govt, POM resurfacing for APEC, etc, so not surprising that further aids would be switched off.
BUKA BUKNDB-DME DARU DAUNDB-DME FINSCHHAFEN FINNDB-DME GIRUA GUANDB-DME GOBE GBENDB-DME GOROKA GANDB GURNEY GNYVOR-DME GURNEY GNYNDB HOSKINS HKNNDB-DME JACKSON JSNNDB KAVIENG KAVVOR-DME KAVIENG KAVNDB KEREMA KRMNDB-DME KIKORI KIKNDB KIUNGA KIUNDB-DME KUBUNA KUBNDB KUMUL PLATFORM KUTNDB KUNAYE LHRNDB LAE LAENDB MADANG MDVOR-DME MADANG MDNDB MISIMA MISNDB MOMOTE MOENDB-DME MORO MORNDB-DME MOUNT HAGEN MHNDB-DME NADZAB NZVOR-DME NADZAB NZNDB OK TEDI OKTNDB-DME PARER PRENDB PORT MORESBY PYVOR-DME PORT MORESBY PYNDB TAVAI TVINDB TOKUA TOKVOR-DME TOKUA TOKNDB VANIMO VNONDB-DME WEWAK WKVOR-DME WEWAK WKNDB