2 2.1 2.1.1 WECPNL 1 WECPNL 1973 19 WECPNL 19 WECPNL WECPNL 2.1.2 2 1 2 1 WECPNL 1 WECPNL WECPNL = db(a) + 10 log 10 N 27 (2.1) N = N d +3N e +10N n (2.2) 2 1 WECPNL I II 75 I db(a) A N 1 N d 7 19 N e 19 22 N n 0 7 22 24 (2.1) ICAO WECPNL 1. ICAO 1 PNLT dbam PNLT dbam 13 (2.3) 2. ICAO EPNL 10 3. ICAO ECPNL WECPNL 4. ICAO 1 20 5 25.6 +5 5. 26.365
2 2 1999 27 2.1.3 19 WECPNL % WECPNL 1. (2.2) 1 % N 10 1 1 19 2. TNEL j TNEL j = db(a) j + 10 log 10 N j + D j + 23 (2.4) N j db(a) j D j db(a) j 2dB D j (2.1) 10 s 2 2 WECPNL 2dB T j (s) (a) D j = 10 log 10 (T j /20) (2.5) (b) D j = 10 log 10 (T j /10) (2.6) 3. WECPNL TNEL j WECPNL = ( ) 10 log 10 10 (TNEL j/10) 23 27 (2.7) 2.1.4 2 2 1 WECPNL WECPNL db(a) 19
2 2 3 2 3 WECPNL WECPNL 10 WECPNL N10 A B C B A C A B C n.4 83.3 83.2 2.9 2.8 0.1 1 83.3 86.8 85.8 3.5 2.5 1.0 1 ±SD 3.2±0.3 2.7±0.2 0.6±0.5.9 95.6 94.2 4.7 3.3 1.4 1 84.2 89.2 87.3 5.0 3.1 1.9 1 ±SD 4.9±0.2 3.2±0.1 1.7±0.3 79.4±1.7 84.2±1.8 4.8±0.6 10 82.8±1.9 86.8±1.7 4.0±0.4 10 68.6±5.6 72.8±5.8 4.2±1.1 208 ±SD 4.2±0.6 79.3 82.5 82.3 3.2 3.0 0.2 1 76.8.5.0 3.7 3.2 0.5 1 ±SD 3.5±0.3 3.1±0.1 0.4±0.2 82.6±1.2 85.7±1.0 85.3±1.0 3.1±0.3 2.7±0.4 0.4±0.3 5.6±1.0 84.0±1.5 83.4±0.9 3.4±0.5 2.8±0.2 0.7±0.6 3 85.5±1.6 89.7±2.3 88.4±1.7 4.1±0.7 2.9±0.1 1.3±0.7 3 77.7 81.3.5 3.6 2.8 0.8 1 ±SD 3.6±0.4 2.8±0.1 0.8±0.3 77.8±1.6.5±1.3 81.3±1.7 2.7±0.4 3.5±0.5 0.8±0.4 5 75.3±1.1 79.1±0.7 78.8±1.0 3.8±0.5 3.5±0.3 0.3±0.4 5 73.0 77.4 76.4 4.4 3.4 1.0 1 ±SD 3.6±0.7 3.4±0.0 0.2±0.7 3.7±0.7 3.0±0.3 0.7±0.7 13 A WECPNL B WECPNL WECPNL 10 C N 10 WECPNL WECPNL N10 n n ICAO WECPNL 2dB 2.1.5 WECPNL N 10 (2.1) WECPNL WECPNL N10 WECPNL WECPNL WECPNL 10 6 WECPNL WECPNL 10 WECPNL N10 2 3
2 4 1999 2 4 WECPNL WECPNL WECPNL (s) A B 27.0 73.3 76.3 77.8 (4.5).1 (6.8) 29.6 77.7.7 83.5 (5.8) 85.9 (8.2) 20.2 81.1 84.1 84.0 (2.9) 85.4 (4.3) 20.0 85.5 88.5 88.6 (3.1).6 (5.1) 3 A B 30 s ( ) WECPNL n ±SD SD n WECPNL N10 22 10 WECPNL N10 C A 3 WECPNL 10 B A 3 5 WECPNL 3 5 2.1.6 WECPNL WECPNL 1 WECPNL 2 4 WECPNL ICAO WECPNL 1 N 10 WECPNL 3 A 30 s B B WECPNL 5 B WECPNL 8 2.1.7 WECPNL WECPNL WECPNL 3 5 19
2 2 5 2 5 Index 1 1963/10/7 1963/10/16 2 1963/10/21 1963/10/28 3 1963/10/29 1963/11/8 4 1963/11/13 1963/11/20 5 1965/7/2 1965/7/12 6 1965/12/20 1965/12/27 7 1966/3/9 1966/3/15 8 1966/3/24 1966/3/25 11 3 9 1966/3/26 1966/3/31 11 4 10 1967/11/1 1967/11/30 2 11 1967/12/1 1967/12/25 12 1968/1/3 1968/1/16 13 1968/2/1 1968/2/29 14 1968/3/1 1968/3/9 15 1968/4/18 1968/4/25 584 16 1968/5/24 1968/5/31 17 1968/6/18 1968/6/25 18 1972/11/1 1973/3/31 WECPNL 5 L eq 2dB ICAO 2.2 2.2.1 19 1975 2.2.2 2 5 Index 1 6 WECPNL 1 1966 1968 Index 7 17 1972 1973 Index 18 24 WECPNL 1968 2
2 6 1999 2 6 1968 WECPNL 0 7 7 19 19 22 22 24 1968/2/12 34 44 12 6 96 4 7.0 1968/2/13 41 49 24 11 125 641 7.1 1968/2/14 28 49 10 5 92 409 6.5 1968/2/15 9 25 9 5 48 192 6.0 1968/2/16 37 45 13 4 99 494 7.0 1968/2/17 41 51 23 16 131 6 7.2 32 44 15 8 99 484 6.9 2 7 1968 L max L max WECPNL L eq,24h 110 (db) 1968/2/12 0 13 27 49 7 107 96 106 79 86 1968/2/13 0 19 33 64 9 107 97 101 110 89 1968/2/14 1 7 34 46 4 110 95 110 83 93 1968/2/15 0 1 12 26 9 85 88 92 68 73 1968/2/16 0 12 29 45 13 104 95 199 109 88 1968/2/17 3 20 49 54 5 110 99 99 107 79 87 0.7 12 31 47 8 96 99 108 88 N 0 1 2km 2 1 1972 11 WECPNL L eq 2 1 2.2.3 1968 1968 2 db 1 WECPNL WECPNL 1 2 12 17 6 WECPNL 2 6 5 WECPNL 7 2 7 WECPNL L eq,24h WECPNL L eq,24h
2 2 7 2 8 1972 73 (db) db 95 99 db 94 db 1972 11 124 345 595 9 1,930 1972 12 120 300 585 1,1 2,075 1973 1 120 325 595 9 1,910 1973 2 120 410 455 830 1,695 1973 3 122 4 525 8 1,825 366 551 9 1,887 2 9 1972 73 (db) db 95 99 db 94 db 1972 11 118 465 775 1,465 2,5 1972 12 123 575 9 1,575 3, 1973 1 127 5 765 1,405 2,730 1973 2 126 320 795 1,565 2,6 1973 3 118 475 7 1,885 3,130 479 811 1,579 2,869 WECPNL 24 WECPNL 2 WECPNL WECPNL 10% 0 7 22 24 WECPNL 120 WECPNL L eq,24h WECPNL 2.2.4 1972 1972 1973 WECPNL 2 8 2 9 1972 11 1973 3 124 db 127 db db 30 45 db 6 8 db 1
2 8 1999 2 10 1972 WECPNL L eq,24h 110 WECPNL (db) 1972/11/1 109 0 1 1,310 3,4 3,655 8,595 1972/11/2 123 25 0 1,565 2,910 1,9 7,1 105 85 1972/11/3 116 85 675 1,435 3,185 3,275 8,655 106 86 1972/11/4 106 0 1,6 6,105 6,985 14,830 1972/11/5 108 0 105 920 2,865 3,165 7,055 99 79 1972/11/6 117 15 25 735 3,9 4,220 8,965 99 79 1972/11/7 103 0 165 1,485 4,685 4,685 11,020 1972/11/8 106 0 1 1,410 4,200 3,220 8,9 1972/11/9 112 15 530 1,340 3,4 2,245 7,5 104 84 1972/11/10 118 1,015 1,830 3,5 2,9 9,425 107 87 1972/11/12 106 0 465 1,735 5,285 4,685 12,1 103 83 1972/11/13 119 10 300 1,585 4,0 4,895 11,6 102 82 1972/11/14 109 0 85 1,3 4,975 3,010 9,440 99 79 1972/11/15 118 40 1,115 1,9 2,8 1,5 7,595 107 87 1972/11/16 120 65 405 1,375 3, 4,295 9,240 105 85 1972/11/17 107 0 130 1,565 6,155 4,5 12,455 1972/11/18 111 10 240 1,740 4,420 3,685 10,095 102 82 1972/11/19 113 35 300 2,125 5,485 3,945 11,8 104 84 1972/11/20 110 5 1 1,620 5,085 5,300 12,200 101 81 1972/11/21 124 285 1,530 6,610 6,4 14,955 104 84 1972/11/22 105 0 245 1,515 5,040 6,775 13,575 101 81 1972/11/23 110 5 130 1,025 3,4 4,145 8,765 99 79 1972/11/24 108 0 345 1,915 4,530 5,630 12,420 102 82 1972/11/25 108 0 265 1,9 5,5 4,965 12,725 101 81 1972/11/26 110 5 75 935 2,640 4,5 8,4 98 78 1972/11/27 113 5 320 1,520 6,385 9,0 17,730 102 82 1972/11/28 113 5 520 1,5 4,725 5,885 12,940 103 83 1972/11/29 109 0 325 1,340 4,695 5,085 11,445 102 82 16 334 1,512 4,438 4,489 10,788 103 83 1972 11 1973 3 db 11 db WECPNL 24 L eq,24h WECPNL 2 10 2 11 WECPNL L eq,24h WECPNL L eq,24h 1 WECPNL (2.3) A 13 PNL L eq,24h 13 ECPNL 2 6 1968 ECPNL 7 L eq,24h 20 WECPNL WECPNL WECPNL WECPNL WECPNL WECPNL 105 95 95 1972
2 2 9 2 11 1972 WECPNL L eq,24h 110 WECPNL (db) 1972/11/1 116 395 2,710 9,7 8,145 21, 105 85 1972/11/2 116 220 1,115 2,6 9,6 16,9 30,645 109 89 1972/11/5 105 0 445 3,0 6,8 9,865 20,220 104 84 1972/11/6 106 0 230 2,995 6,545 7,8 17,6 102 82 1972/11/7 108 0 300 2,985 6,975 4,330 14,5 103 83 1972/11/8 108 5 545 2,0 7,4 3,045 13,175 104 84 1972/11/10 108 0 305 2,440 12,520 12,975 28,240 103 83 1972/11/11 107 0 400 5,4 8,8 3,155 17,895 105 85 1972/11/12 108 0 610 1,910 5,175 2,855 10,5 103 83 1972/11/13 110 5 530 2,6 11,765 7,0 22,4 104 84 1972/11/16 109 0 130 2,035 6,8 6,9 15,985 101 81 1972/11/17 109 0 200 1,6 5,075 6,275 13,240 101 81 1972/11/18 108 0 645 2, 4,0 4,4 11,935 104 84 1972/11/19 111 15 1,545 3,625 7,595 7,035 19,815 108 88 1972/11/20 104 0 85 1,3 5,4 3,485 10,440 99 79 1972/11/21 105 0 55 995 5,020 1,8 7,940 98 78 1972/11/22 106 0 4 1,5 10,995 7,4 20,810 103 83 1972/11/23 106 0 140 9 3,6 3,465 8,235 98 78 1972/11/24 105 0 85 740 3,935 2,8 7,610 97 77 1972/11/25 111 7 1,365 5,395 3,355 10,935 107 87 1972/11/26 106 0 130 885 9,520 6,6 17,185 1972/11/27 103 0 75 815 6,245 3,5 11,040 98 78 1972/11/28 109 0 2 1,5 8,585 7,785 18,135 102 82 1972/11/29 109 0 695 2,625 9,2 10,010 22,0 105 85 15 423 2,152 7,416 6,346 16,352 104 84 1968 2 7 WECPNL 2.2.5 1977 1977 12 1978 127 4 8 WECPNL WECPNL 85 95 WECPNL 75 1 7 175 0.5 83 WECPNL 537 311 546 349 WECPNL WECPNL 0.2 2.5 WECPNL WECPNL 2 2
2 10 1999 75 0 N 1 2 3 4 5 km 78 74 77 66 62 67 69 66 74 65 73 76 79 76 83 82 79 85 95 95 85 85 74 71 61 91 84 71 75 98 84 78 79 86 82 79 85 75 73 78 82 86 78 77 81 85 92 68 65 69 67 86 81 87 72 82 76 65 71 65 65 64 96 101 73 79 71 66 78 73 73 65 69 72 77 71 75 77 77 89 72 83 81 87 89 97 84 85 86 75 77 65 75 88 85 85 76 69 81 67 68 77 75 79 69 66 75 74 72 67 68 64 75 85 58 66 69 64 66 85 75 66 66 74 76 63 WECPNL 95 < - 95 85 - - 85 75 - WECPNL 2 2 1977 WECPNL WECPNL WECPNL 2.5 WECPNL 1977 2.2.6 1978 1997 3 WECPNL 1 2 3 2 5 1981 1983
2 2 11 WECPNL WECPNL WECPNL 19 1985 19 1995 1 2 3 WECPNL WECPNL 200 1 19 WECPNL 1991 WECPNL 1 0 19 1985 19 1995 2.2.7 2 4 1968 1972 20 WECPNL 105 L eq,24h 85 15 10 5 5 15 1977 WECPNL WECPNL 0 19 1985 19 1995 WECPNL WECPNL 2 5 1987 WECPNL 1 WECPNL 1978 WECPNL 1986 WECPNL
2 12 1999 1992 WECPNL 2.3 2.3.1 1997 3 1999 1 23 3 4 1 2 WECPNL 1 4 30 WECPNL WECPNL 19 WECPNL WECPNL L dn L eq 2.3.2 30 30 3 1 4 1995 12 12 10 7 30 DAT 24 10 2 1 2 4 10 2.3.3
2 2 13 N K1 K2 K9 K5 K7 K8 K4 K10 K3 K11 K6 F8 F7 F4 F5 F1 F2 F6 F3 N1 0 1 2 3 4 5 km N2 N3 WECPNL 95 < - 95 85 - - 85 75 - N4 2 6
2 14 1999 1 1999 3 11 8 4 1997 3 11 1997 8 2 6 WECPNL 1977 L eq L AE K7 K8 2.3.4 1997 9 1998 8 1 K9 1998 4 K10 K11 F8 1998 9 1998 11 2 12 WECPNL L dn 1 1 98% % 98 98 WECPNL 1 1 1 WECPNL WECPNL WECPNL WECPNL WECPNL L dn 7 18 K8 WECPNL F495 L eq 1 1 2 13 L eq,day L eq,night 7 22 0 7 22 24 L eq WECPNL L dn 7 15 14 21 K8 L eq,day 87 db db K1 F1 F4 75 db L eq,day L eq 2 14 1 K8 F4 120 db 110 db 30 K1 F1 db 30 K3 K6 2km db
2 2 15 2 12 WECPNL L dn WECPNL L dn 98% % 98% % K1 85-357 91 86 85 81 84 77 75 72 68 K2 85-337 88 83 81 77 74 71 68 64 K3 85-293 86 83 76 73 78 68 62 58 K4 85-342 84 82 79 75 79 71 69 65 61 K5 85-346 84 77 73 77 67 64 K6-85 315 77 74 71 66 71 61 59 55 K7-95 281 85 83 81 77 81 74 68 64 K8 95-297 101 98 95 91 95 87 82 79 75 K9 75-177 82 76 68 67 69 53 51 K10 79 79 74 69 75 64 63 58 54 K11 75-74 72 67 64 68 59 57 53 F1-85 3 88 83 77 81 73 68 65 61 F2-75 331 76 73 66 71 61 58 55 51 F3-75 356 76 71 68 63 69 62 56 53 49 F4-85 279 96 91 87 83 88 78 74 69 66 F5 75-296 88 76 73 77 71 66 62 58 F6-75 315 76 75 72 67 72 61 59 57 53 F7 75-342 76 74 74 64 62 59 55 F8-75 79 73 73 65 58 57 55 51 2 13 L eq L eq,day L eq,night 98% % 98% % K1 85-357 75 74 72 67 72 68 62 58 K2 85-337 72 71 68 64 68 63 56 53 K3 85-293 72 69 63 59 62 57 40 45 K4 85-342 72 69 67 62 64 58 51 48 K5 85-346 69 68 65 64 58 48 K6-85 315 63 61 57 52 49 44 36 32 K7-95 281 72 68 64 68 62 54 52 K8 95-297 87 84 81 76 74 66 63 K9 75-177 65 52 64 49 37 43 K10 79 66 65 56 36 35 20 K11 75-61 59 55 51 47 42 31 F1-85 3 75 69 66 62 62 59 51 47 F2-75 331 61 57 52 53 48 36 37 F3-75 356 64 57 55 45 34 34 F4-85 279 75 71 67 69 58 44 49 F5 75-296 73 68 63 61 53 46 43 F6-75 315 61 59 54 54 49 37 37 F7 75-342 65 63 61 57 55 47 40 37 F8-75 79 59 57 53 48 29
2 16 1999 2 14 L max,day L max,night 98% % 98% % K1 85-357 113 107 103 109 106 95 94 K2 85-337 111 103 99 96 107 94 89 86 K3 85-293 112 105 97 95 92 88 75 76 K4 85-342 108 103 98 95 97 85 K5 85-346 107 99 94 91 92 88 83 79 K6-85 315 102 98 93 89 87 81 75 K7-95 281 104 102 99 95 95 86 85 K8 95-297 118 115 113 109 115 111 106 K9 75-177 102 96 91 87 96 85 75 77 K10 79 104 103 97 92 68 54 K11 75-95 89 86 79 77 64 F1-85 3 110 107 104 99 94 86 83 F2-75 331 98 93 87 91 85 71 73 F3-75 356 101 95 89 86 87 81 69 69 F4-85 279 119 115 109 106 109 97 79 88 F5 75-296 109 103 98 95 98 88 78 78 F6-75 315 99 95 93 88 92 84 72 F7 75-342 106 97 94 92 74 73 F8-75 79 97 93 86 82 63 2 15 98% % 98% % K1 85-357 211 143 103 51 23 13 6 2.4 K2 85-337 179 98 75 40 13 9 5 1.9 K3 85-293 191 133 36 20 6 2 0.6 K4 85-342 200 141 95 43 11 8 3 1.2 K5 85-346 141 71 51 23 19 8 3 1.2 K6-85 315 69 62 29 11 10 1 1 0.2 K7-95 281 351 261 191 88 22 15 9 3.5 K8 95-297 545 463 343 128 58 30 10 4.7 K9 75-177 43 28 14 6 7 5 1 0.3 K10 79 82 75 48 15 1 1 0 0.0 K11 75-45 18 3 2 0 0.1 F1-85 3 124 88 66 30 18 5 2 0.5 F2-75 331 107 69 46 18 5 3 1 0.3 F3-75 356 79 65 39 16 8 3 1 0.3 F4-85 279 217 186 135 6 4 1 0.4 F5 75-296 330 227 159 68 40 17 3 1.3 F6-75 315 184 122 79 31 7 2 1 0.3 F7 75-342 330 1 115 53 16 3 2 0.5 F8-75 79 61 36 14 1 0 0 0.0
2 2 17 db K8 K1 db 110 db 2 15 4 7 6 77 K8 0 K8 58 5 K1 K2 K7 Frequency (%) Frequency (%) 25 20 15 10 5 : Kadena Air Base (Sunabe) : Osaka International Airport (Kitamura) 0 <55 WECPNL 25 20 15 10 5 2 7 K8 WECPNL1 : Futenma Air Station : (Ueohjana) : Osaka International Airport (Kitamura) 2.3.5 1998 WECPNL 1 WECPNL 1 2 7 2 8 WECPNL WECPNL WECPNL 0 < WECPNL 2 8 F4 WECPNL1 10% 5 10 19 WECPNL
2 18 1999 Measured WECPNL (DFAA) : Kadena : Futenma F4 K1 K7 K8 The mean of Ldn (db) : Kadena : Futenma WECPNL (DFAA) 40 WECPNL (DFAA) 2 9 WECPNL WECPNL 2.3.6 WECPNL 1977 WECPNL WECPNL WECPNL WECPNL WECPNL 2 10 WECPNL L dn WECPNL 2 9 1998 4 4 WECPNL K8 K1 WECPNL K7 WECPNL F4 WECPNL 2 10 WECPNL L dn L dn 1 WECPNL 2 9 L dn WECPNL L dn 2 9 2 10 WECPNL
2 2 19 : Kadena : Futenma : Kadena : Futenma The mean of Leq,night (db) 40 The mean of Leq,night (db) 40 30 K6 WECPNL (DFAA) 30 40 The mean of L dn (db) 2 11 WECPNL L eq,night 2 11 WECPNL L eq,night 2 9 2 10 K6 WECPNL 2 WECPNL The mean of Nnight 2 12 L dn L eq,night 6 5 4 3 2 1 : Kadena : Futenma 0 40 The mean of L dn (db) 2.3.7 L dn L dn L dn L dn 2 12 L dn L eq 2 13 L dn 2 13 L dn 1998 4 4 L eq L dn
2 20 1999 The mean of Lmax (db) 120 110 : Kadena : Futenma F1 F4 40 The mean of L dn (db) 2 14 L dn 1 L max 2 14 L dn 1 L max F4 F1 L dn L max L dn L max L dn 2.3.8 WECPNL L dn L eq L max 98 110 db db WECPNL WECPNL 1977 WECPNL WECPNL K8 K1 WECPNL WECPNL WECPNL WECPNL L eq L dn L dn L eq L dn F4 F1 L max 1978 WECPNL. 19, 55 10 2 2234. 1998. 1973, 48 12 27 154.,, 19, 287: 89 97.
2 2 21 Leq,10s (db) Leq,10s (db) 110 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hour) 110 0 1 2 3 4 5 6 7 8 9 10 11 12 Time (hour) 2 1 L eq,10sec 1995/12/13 14 Leq,10s (db) Leq,10s (db) 110 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hour) 110 0 1 2 3 4 5 6 7 8 9 10 11 12 Time (hour) 2 2 L eq,10sec 1995/12/13 14
2 22 1999 Leq,10s (db) Leq,10s (db) 110 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hour) 110 0 1 2 3 4 5 6 7 8 9 10 11 12 Time (hour) 2 3 L eq,10sec 1995/12/13 14 Leq,10s (db) Leq,10s (db) 110 12 13 14 15 16 17 18 19 20 21 22 23 24 Time (hour) 110 0 1 2 3 4 5 6 7 8 9 10 11 12 Time (hour) 2 4 L eq,10sec 1995/12/13 14