B18
Alton Bay Seaplane Base
VFR
navigation
174°
navigation
62°
42° 22′ 3″ N 71° 14′ 53″ E
/
75 ft
(23 m MSL)
navigation
180°
navigation
176°
42° 22′ 3″ N 71° 4′ 18″ E
/
66 ft
(20 m MSL)
navigation
173°
44° 26′ 46″ N 72° 0′ 37″ E
/
766 ft
(233 m MSL)
navigation
329°
42° 21′ 49″ N 71° 4′ 8″ E
/
195 ft
(59 m MSL)
navigation
173°
navigation
52°
43° 55′ 1″ N 72° 39′ 57″ E
/
746 ft
(227 m MSL)
navigation
292°
navigation
243°
42° 21′ 51″ N 71° 0′ 18″ E
/
20 ft
(6 m MSL)
navigation
171°
navigation
21°
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°