B18
Alton Bay Seaplane Base
VFR
42° 36′ 36″ N 70° 39′ 36″ E
/
10 ft
(3 m MSL)
navigation
154°
42° 36′ 32″ N 70° 39′ 40″ E
/
0 ft
(0 m MSL)
navigation
154°
44° 6′ 11″ N 70° 12′ 54″ E
/
241 ft
(73 m MSL)
navigation
50°
navigation
161°
42° 30′ 35″ N 71° 8′ 11″ E
/
80 ft
(24 m MSL)
navigation
175°
43° 2′ 0″ N 72° 25′ 47″ E
/
640 ft
(195 m MSL)
navigation
242°
42° 59′ 25″ N 72° 24′ 6″ E
/
600 ft
(183 m MSL)
navigation
239°
navigation
159°
navigation
16°
42° 31′ 31″ N 70° 52′ 10″ E
/
0 ft
(0 m MSL)
navigation
164°
navigation
35°
42° 29′ 5″ N 71° 12′ 5″ E
/
159 ft
(48 m MSL)
navigation
178°
42° 29′ 55″ N 71° 28′ 39″ E
/
210 ft
(64 m MSL)
navigation
190°
navigation
18°
42° 34′ 47″ N 71° 49′ 43″ E
/
525 ft
(160 m MSL)
navigation
205°
navigation
178°
42° 33′ 14″ N 71° 45′ 32″ E
/
348 ft
(106 m MSL)
navigation
202°
navigation
198°
navigation
245°
navigation
55°
42° 28′ 12″ N 71° 17′ 20″ E
/
133 ft
(41 m MSL)
navigation
182°