HOKKAIDO region		CHUBU region		KYUSHU region
SPK	Sapporo	NGO	Nagoya	FUK	Fukuoka
.....CTS	.....Chitose	....NGO	Chubu (Centrair)	KKJ	Kitakyushu
.....OKD	.....Okadama	....NKM	Komaki	IKI	Iki
HKD	Hakodate	FSZ	Shizuoka	TSJ	Tsushima
OIR	Okushiri	KIJ	Niigata	HSG	Saga
AKJ	Asahikawa	MMJ	Matsumoto	NGS	Nagasaki
OBO	Obihiro	TOY	Toyama	FUJ	Goto-fukue
KUH	Kushiro	NTQ	Noto	KMJ	Kumamoto
SHB	Nemuro-nakashibetsu	KMQ	Komatsu	AXJ	Amakusa
MMB	Memambetsu	.	.	OIT	Oita
MBE	Okhotsk Mombetsu	KINKI region		KMI	Miyazaki
RIS	Rishiri	OSA	Osaka	KOJ	Kagoshima
RBJ	Rebun	.....KIX	Kansai	TNE	Tanegashima
WKJ	Wakkanai	.....ITM	Itami	KUM	Yakushima
.	.	.....UKB	Kobe	ASJ	Amami (Amami-oshia)
TOHOKU region		TJH	Tajima	KKX	Kikaijima
AOJ	Aomori	SHM	Nanki-shirahama	TKN	Tokunoshima
AXT	Akita			OKE	Okinoerabu
ONJ	Odate-noshiro	CHUGOKU region		RNJ	Yoron
MSJ	Misawa	OKJ	Okayama	.	.
GAJ	Yamagata	TTJ	Tottori	.	.
HNA	Hanamaki	YGJ	Yonago	.	.
SDJ	Sendai	IZO	Izumo	OKINAWA region
FKS	Fukushima	OKI	Oki	OKA	Okinawa (Naha)
SYO	Shonai	HIJ	Hiroshima	KTD	Kitadaito
.	.	IWJ	Iwami	MMD	Minamidaito
KANTO region		IWK	Iwakuni	KJP	Kerama
TYO	Tokyo	UBJ	Yamaguchi Ube	AGJ	Aguni
.....NRT	Narita	.	.	UEO	Kumejima
.....HND	Haneda	.	.	MMY	Miyako
OIM	Oshima	SHIKOKU region		SHI	Shimojishima
MYE	Miyakejima	TAK	Takamatsu	TRA	Tarama
HAC	Hachijojima	TKS	Tokushima	ISG	New Ishigaki
IBR	Ibaraki	MYJ	Matsumaya	HTR	Hateruma
.	.	KCZ	Kochi	OGN	Yonaguni