Published on Australian Maritime Safety Authority (https://www.amsa.gov.au)
Measurements below are represented as GT for gross tonnage and length in metres.
| Class | Vessels | Size category (GT) | Length (metres) |
|---|---|---|---|
| Destroyers (DDG) | Perth, Hobart, Brisbane (all decommissioned) | greater than 3000 GT | 133 |
| Destroyers (DDGHM) | Hobart, Brisbane, Sydney | greater than 3000 GT | 146.7 |
| Frigates (FFG) | Adelaide, Canberra, Sydney, Darwin, Melbourne, Newcastle (all decommissioned) | greater than 3000 GT | 138.1 |
| ANZAC (FFH) | Anzac, Arunta, Warramunga, Stuart, Parramatta, Ballarat, Toowoomba, Perth. | greater than 3000 GT | 118 |
| Landing Helicopter Dock (LHD) | Canberra, Adelaide | greater than 3000 GT | 230.8 |
| Landing Platform Assault (LPA) | Kanimbla, Manoora (both decommissioned) | greater than 3000 GT | 159 |
| Auxiliary Oiler Replenishment (AOR) | Success (decommissioned) | greater than 3000 GT | 157.2 |
| Auxiliary Oiler Replenishment (AOR) | Sirius | greater than 3000 GT | 189.5 |
| Auxiliary Oiler Replenishment (AOR) | Supply Stalwart (NUSHIP) | greater than 3000 GT | 173.9 |
| Destroyer Tender (AD) | Destroyer Tender (AD) (decommissioned) | greater than 3000 GT | 157.1 |
| Auxiliary Oiler (AO) | Westralia (decommissioned) | greater than 3000 GT | 171 |
| Training Ship (GT) | Jervis Bay (decommissioned) | greater than 3000 GT | 135.6 |
| Fast Transport (AKR) | Jervis Bay (decommissioned) | greater than 3000 GT | 86.6 |
| Survey Ships (AGS) | Moresby (decommissioned) | greater than 3000 GT | 95.7 |
| Survey Ships (AGS) | Flinders (decommissioned) | less than 3000 GT | 49 |
| Survey Ships (AGS) | Cook (decommissioned) | greater than 3000 GT | 96.5 |
| Survey Ships (AGS) | Melville, Leeuwin | greater than 3000 GT | 71.2 |
| Survey Ships (AGSC) | Paluma, Mermaid, Shepparton, Benalla | less than 500 GT | 36.6 |
| Survey Motor Boats (SMB) | Fantome, Tom Thumb, Casuarina, Meda, John Gowlland, Conder, Duyfken, Geographe, Wyatt Earp (all decommissioned) (Note: not acceptable for Marine Order 71 (Masters and deck officers) 2014 qualifying sea service as vessels less than 12 metres in length) | less than 10 GT | 10.7 |
| Landing Ship Heavy (LSH) | Tobruk (decommissioned) | greater than 3000 GT | 127 |
| Landing Ship, Dock (LSD) | Choules | greater than 3000 GT | 177 |
| Destroyer Escorts (DE) | Swan, Torrens, Derwent, Parramatta, Yarra (all decommissioned) | less than 3000 GT | 112.8 |
| Mine Hunter Coastal (MHC) | Huon, Gascoyne, Diamantina, Yarra. Hawkesbury, Norman (both decommissioned) | less than 3000 GT | 52.5 |
| Landing Craft Heavy (LCH) | Balikpapan, Brunei, Labuan, Tarakan, Wewak, Betano (all decommissioned) | less than 3000 GT | 44.5 |
| Landing Craft Light (LCVP) | T4, T5, T6, T7. | less than 500 GT | 13.2 |
| Patrol Boats (PB) Fremantle Class | Fremantle, Warrnambool, Townsville, Wollongong, Launceston, Whyalla, Ipswich, Cessnock, Bendigo, Gawler, Geraldton, Dubbo, Geelong, Gladstone, Bunbury (all decommissioned) | less than 500 GT | 42 |
| Patrol Boats (PB) Armidale Class (ACPB) | Armidale, Larrakia, Bathurst, Albany, Pirie, Maitland, Ararat, Broome, Bundaberg, Wollongong, Childers, Launceston, Maryborough, Glenelg | less than 3000 GT | 56.8 |
| Patrol Boats (PB) Australian Defence Vessel Cape Class (ADV) | Cape Fourcroy, Cape Inscription | less than 3000 GT | 58.1 |
| Mine Hunter Inshore (MHI) | Rushcutter, Shoalwater (both decommissioned) | less than 500 GT | 30.9 |
| Mine Sweeper Aux (MSA (Small) | Brolga (decommissioned) | less than 500 GT | 28.4 |
| Mine Sweeper Aux (Tug) | Bandicoot, Wallaroo (both decommissioned) | less than 500 GT | 29.6 |
| Sail Training Ship (AXS) | Young Endeavour | greater than 24 metres | 44 |
| Operated by Teekay Australia on behalf of RAN | |||
| Multi-role aviation training vessel | Sycamore | greater than 3000 GT | 94 |