Open to me sending you a full list you can easily scan and flag anything unusual?
Happy to take a look but others on this forum probably with more knowledge.. and you might need to look elsewhere for other markets.
Other relatively sizeable historic Aus codes at least into the 1990s
AN/AAA - Ansett Australia - 1930s - 2002
KD/KDA - Kendell Airlines - 1967 - 2002
ZL/HZL - Hazelton Airlines 1950s - 2002
AO/AUZ - Australian Airlines - 2002 to 2006
AB/BNZ - Bonza - 2023 to 2024
FQ/BRI - Brindabella Airlines - 1994 to 2013
YM/CYM - Compass Airlines - 1990 to 1993
EW/EWA - East-West Airlines - 1947 to 1993
VQ/IPU - Impulse Airlines - 1992 to 2004
JG/JGO - JetGo - 2011 to 2018
O7/OZJ - OzJet - 2007 to 2012
XR/OZW - Skywest Airlines - 1980 to 2013
VC/AGC - Air Australia - 2008 to 2012*
TT/TGG - TigerAir Australia - 2007 to 2020
TN/TAA - Australian Airlines (TAA) - 1946 to 1994
VA/VAU - V Australia - 2009 to 2011
DJ/VOZ - Virgin Blue - 2000 to 2011
Others serving/ related Australia
TR/TGW - TigerAir - 2003 to 2017
3K/JSA - Jetstar Asia - 2004 to 2024
VF/VLU - ValuAir - 2004 to 2024
SJ/FOM - Freedom Air - 1995 to 2008
ZJ/VVM - Viva Macau - 2005 to 2010
Others I've caught
ZB/MON - Monarch Airlines - 1967 to 2017
This Wikipedia page used for much of the Aus codes
en.wikipedia.org
(And noting that much of the apps focus is on future not historical flights)