Top pic
A29-480 P-40N-1 #42-104681 8/43
served with 84 Sqn;
on 29/10/43 received by 84 Sqn from 1 AD<Aircraft Depot>;
on 29/8/44 received by 86 Sqn from 13 ARD<Aircraft Repair Depot> although 86 Sqn didn't have any pilots to fly the a/c;
on 2/9/44 eventually returned to 13 ARD;
on 16/11/44 allocated back to 84 Sqn from 13 ARDRP;
on 8/1/45 it crash landed at Breddan strip after a hydraulic failure [pilot?] and returned to 13 ARD for repairs;
on 6/9/45 received by 5 Sqn from 13 ARD for TAC/R duties;
on 4/2/46 it was destroyed by burning presumably at Piva North Bougainville.
3rd pic?
A29-
485 P-40N-1 #42-104707 8/43
served with 75 Sqn and 7 OTU <Operational Training Unit>;
on 13/4/44 it was received by 75 Sqn from 11 RSU <Repair and Salvage Unit>
having sat out the previous 6 months at 15 ARD and 1 AD;
on 14/7/44 it was received back at 75 Sqn from 22 RSU;
on 26/9/44 it was received by 22 RSU for an engine change and 240 hour inspection;
on 3/4/45 it was received by 6 AD from 22 RSU;
on 7/6/45 it was received by 7 OTU from 6 AD however it was short lived being allocated to 6 AD four months later;
on 13/12/45 it was received back at 6 AD from 7 OTU for storage;
on 19/11/46 authorised for write off.
or
A29-
495 P-40N-1 42-104717 8/43
served with 84 Sqn and 5 Sqns;
on 23/12/43 F/O J B Mowbray force landed in this a/c at Laverton Vic while with 1 AD without the use of elevators and had to use elevator trim only;
on 10/3/44 received by 5 AD for storage from 1 AD after having been allocated to 80 Sqn in late 1943;
on 17/3/44 received by 14 ARDRP from 5 AD; on 24/3/44 received by 84 Sqn from 14 ARDRP;
on 5/6/44 received by 13 ARD from 84 Sqn but was only there some 3 months;
on 1/3/45 went back to 13 ARDRP;
on 17/9/45 received by 5 Sqn while based at Piva North Bougainville for TAC/R duties;
on ??/2/46 burnt at Piva North when the Sqn was transferred back to Australia.
http://www.adf-serials.com/2a29-N1.shtml 
