CLS4
Porters Lake South Seaplane Base
VFR
46° 35′ 12″ N 71° 33′ 39″ W
/
380 ft
(116 m MSL)
navigation
285°
US-0960
Tufts Medical Center Heliport
42° 20′ 56″ N 71° 3′ 47″ W
/
230 ft
(70 m MSL)
navigation
244°
navigation
240°
43° 3′ 21″ N 71° 26′ 48″ W
/
300 ft
(91 m MSL)
navigation
251°
navigation
244°
navigation
273°
44° 19′ 2″ N 71° 49′ 35″ W
/
1.120 ft
(341 m MSL)
navigation
263°
navigation
251°
navigation
245°
navigation
244°
42° 8′ 54″ N 70° 56′ 21″ W
/
150 ft
(46 m MSL)
navigation
242°
43° 5′ 8″ N 71° 28′ 0″ W
/
175 ft
(53 m MSL)
navigation
252°
42° 0′ 35″ N 70° 50′ 35″ W
/
52 ft
(16 m MSL)
navigation
241°
navigation
249°
navigation
244°
42° 20′ 1″ N 71° 4′ 16″ W
/
15 ft
(5 m MSL)
navigation
244°
navigation
274°
navigation
234°
41° 20′ 5″ N 70° 17′ 58″ W
/
90 ft
(27 m MSL)
navigation
234°