I believe the majority of air operations were coming from Kyushu bases. Chiran, Fukoka, and Ashiya. Typical types would be Ki-43, Ki-61 and Ki-100, some Ki-84s and probably a mix of Zeros and Betty's in the mix as well with some carrying the Okha flying bomb.
This might help a bit:
http://members.fortunecity.com/gurney/IJAAF/IJAAF.html