15-34 Number of Civil Aviation Routes and Civil Aircrafts
Item	1985	1990	1995	1996	1997
Number of Civil Aviation Routes	437	727	797	876	967
International Routes	44	84	85	98	109
Regional Routes	8	13	18	21	7
Domestic Routes	385	630	694	757	851
Length of Civil Aviation Routes (km)	506762	1045592	1128961	1166521	1424951
International Routes	166350	351858	348175	386341	504449
Regional Routes	10919	18446	29992	33870	9575
Domestic Routes	329493	675288	750794	746310	910927
Number of Civil Airports	94	127	139	142	141
#737 Airports Serving Boeing 737 or Larger Aircraft	47	62	81	106	106
Number of Civil Aircraft	421	681	720	750	770
#747 Boeing	11	15	16	16	18
737 Boeing	21	108	115	130	141
707 Boeing	9	5	1		1
767 Boeing	6	16	17	17	17
MD-82	25	38	39	39	39
Airbus A310	2	3	3	3	3
Tupolov 154	20	35	33	32	32
Boeing 757	9	40	44	45	46
B-146	10	14	14	14	14
Antonov 12	2	1	1	2	1
Antonov 24	23	6	5	3	2
Yun 7	45	67	67	64	58
Short 360	7	3	2

a) The number of civil airports and aircraft in 1985 and 1990 refers to those owned by enterprises directly under CAAC. Since 1995, it refers to those owned by all enterprises of civil aviation. The same as in the following table.

b) Since 1997, aviation routes to and from Hong Kong are taken as domestic routes, and adjustment are also made on the length of aviation routes and traffic volume accordingly.