YGSC (GSC) – Gascoyne Junction Airport – Gascoyne Junction YGTE (GTE) – Groote Eylandt Airport – Groote Eylandt (Alyangula), Northern Territory YGTH (GFF) – Griffith Airport – Griffith, New South Wales YGTN (GTT) – Georgetown Airport (Australia) YGTO (GEE) – George Town Airport – George Town, Tasmania YGWA – Goolwa Airport – Goolwa, South Australia YGYM (GYP) – Gympie Airport – Gympie, Queensland YH YHAW (HWK) – Hawker Airport – Hawker, South Australia YHAY (HXX) – Hay Airport – Hay, New South Wales YHBA (HVB) – Hervey Bay Airport – Hervey Bay, Queensland YHBR (HUB) – Humbert River Airport YHBY (HRY) – Henbury Airport – Henbury Station, Northern Territory YHDY (HIP) – Headingly Airport – Headingly Station, Queensland YHHY (HIG) – Highbury Airport YHID (HID) – Horn Island Airport – Horn Island, Queensland YHIL (HLL) – Hillside Airport (Australia) YHLC (HCQ) – Halls Creek Airport – Halls Creek, Western Australia YHMB (HMG) – Hermannsburg Airport – Hermannsburg, Northern Territory YHML (HLT) – Hamilton Airport – Hamilton, Victoria YHOO (HOK) – Hooker Creek Airport – Lajamanu, Northern Territory YHOT (MHU) – Mount Hotham Airport – Bright, Victoria YHOX – Hoxton Park Airport – Hoxton Park, New South Wales YHPN (HTU) – Hopetoun Airport – Hopetoun, Victoria YHSM (HSM) – Horsham Airport – Horsham, Victoria YHTL (HAT) – Heathlands Airport YHUG (HGD) – Hughenden Airport – Hughenden, Queensland YHYL – Hoyleton Airbase – Hoyleton, South Australia YI YIDK (IDK) – Indulkana Airport YIFL (IFL) – Innisfail Airport (Queensland) YIFY (IFF) – Iffley Airport YIGM (IGH) – Ingham Airport YIKM (IKP) – Inkerman Airport YIMB – Kimba Airport – Kimba, South Australia YINJ (INJ) – Injune Airport YINN (INM) – Innamincka Airport YINW (IVW) – Inverway Airport – Inverway Station, Northern Territory YISF (ISI) – Isisford Airport YITT – Mitta Mitta Airport – Mitta Mitta, Victoria YIVL (IVR) – Inverell Airport – Inverell, New South Wales YJ YJAB (JAB) – Jabiru Airport – Jabiru, Northern Territory YJAC – Jacinth Ambrosia Airport – Jacinth Ambrosia, Ceduna, South Australia YJBY – Jervis Bay Airfield – Jervis Bay, New South Wales / Jervis Bay Territory YJDA (JUN) – Jundah Airport – Jundah, Queensland YJLC (JCK) – Julia Creek Airport – Julia Creek, Queensland YJNB (JUR) – Jurien Bay Airport – Jurien Bay, Western Australia YJUN – Jundee Airport – Jundee Gold Mine, Western Australia YJIN – Jindaybyne Airfield – Jindabyne, New South Wales YK YKAL (UBU)