CLS4
Porters Lake South Seaplane Base
VFR
42° 28′ 24″ N 70° 58′ 44″ W
/
120 ft
(37 m MSL)
navigation
245°
42° 43′ 1″ N 71° 7′ 24″ W
/
148 ft
(45 m MSL)
navigation
248°
43° 36′ 15″ N 71° 30′ 44″ W
/
624 ft
(190 m MSL)
navigation
256°
46° 7′ 32″ N 71° 34′ 29″ W
/
650 ft
(198 m MSL)
navigation
281°
42° 48′ 12″ N 71° 10′ 58″ W
/
295 ft
(90 m MSL)
navigation
249°
42° 52′ 0″ N 71° 13′ 4″ W
/
224 ft
(68 m MSL)
navigation
249°
41° 40′ 8″ N 70° 25′ 3″ W
/
44 ft
(13 m MSL)
navigation
237°
43° 21′ 30″ N 71° 26′ 28″ W
/
650 ft
(198 m MSL)
navigation
254°
41° 55′ 4″ N 70° 37′ 40″ W
/
55 ft
(17 m MSL)
navigation
240°
41° 56′ 24″ N 70° 38′ 49″ W
/
122 ft
(37 m MSL)
navigation
240°
navigation
245°
41° 38′ 25″ N 70° 24′ 28″ W
/
10 ft
(3 m MSL)
navigation
237°
43° 2′ 38″ N 71° 19′ 0″ W
/
470 ft
(143 m MSL)
navigation
251°
42° 42′ 35″ N 71° 9′ 2″ W
/
60 ft
(18 m MSL)
navigation
248°
navigation
237°
44° 46′ 37″ N 71° 45′ 5″ W
/
1.157 ft
(353 m MSL)
navigation
268°
43° 21′ 56″ N 71° 27′ 20″ W
/
560 ft
(171 m MSL)
navigation
254°
42° 43′ 40″ N 71° 10′ 5″ W
/
202 ft
(62 m MSL)
navigation
248°
41° 15′ 11″ N 70° 3′ 36″ W
/
47 ft
(14 m MSL)
navigation
233°
50° 17′ 18″ N 66° 24′ 44″ W
/
220 ft
(67 m MSL)
navigation
338°
50° 17′ 51″ N 66° 24′ 32″ W
/
361 ft
(110 m MSL)
navigation
338°
43° 37′ 31″ N 71° 33′ 55″ W
/
730 ft
(222 m MSL)
navigation
257°