B18
Alton Bay Seaplane Base
VFR
42° 21′ 51″ N 71° 0′ 18″ E
/
20 ft
(6 m MSL)
navigation
171°
navigation
200°
navigation
245°
42° 21′ 42″ N 71° 30′ 32″ E
/
390 ft
(119 m MSL)
navigation
190°
navigation
187°
42° 21′ 9″ N 71° 1′ 32″ E
/
0 ft
(0 m MSL)
navigation
172°
US-0960
Tufts Medical Center Heliport
42° 20′ 56″ N 71° 3′ 47″ E
/
230 ft
(70 m MSL)
navigation
173°
42° 20′ 57″ N 71° 2′ 37″ E
/
15 ft
(5 m MSL)
navigation
172°
42° 20′ 17″ N 71° 6′ 32″ E
/
161 ft
(49 m MSL)
navigation
175°
42° 20′ 10″ N 71° 6′ 24″ E
/
255 ft
(78 m MSL)
navigation
175°
42° 21′ 22″ N 71° 33′ 18″ E
/
520 ft
(158 m MSL)
navigation
191°
42° 20′ 1″ N 71° 4′ 16″ E
/
15 ft
(5 m MSL)
navigation
174°
44° 23′ 16″ N 70° 15′ 16″ E
/
400 ft
(122 m MSL)
navigation
38°
44° 7′ 5″ N 72° 33′ 56″ E
/
1’350 ft
(411 m MSL)
navigation
303°
navigation
31°
navigation
25°
42° 50′ 38″ N 72° 34′ 1″ E
/
416 ft
(127 m MSL)
navigation
236°
navigation
173°
44° 8′ 0″ N 69° 53′ 22″ E
/
131 ft
(40 m MSL)
navigation
56°
navigation
232°
navigation
179°