B18
Alton Bay Seaplane Base
VFR
42° 57′ 31″ N 71° 39′ 11″ E
/
840 ft
(256 m MSL)
navigation
210°
navigation
158°
42° 52′ 37″ N 71° 18′ 55″ E
/
274 ft
(84 m MSL)
navigation
185°
navigation
176°
navigation
84°
42° 52′ 0″ N 71° 13′ 4″ E
/
224 ft
(68 m MSL)
navigation
178°
navigation
152°
43° 6′ 36″ N 71° 55′ 2″ E
/
551 ft
(168 m MSL)
navigation
233°
43° 52′ 24″ N 71° 54′ 16″ E
/
610 ft
(186 m MSL)
navigation
309°
navigation
284°
42° 50′ 30″ N 71° 9′ 34″ E
/
330 ft
(101 m MSL)
navigation
174°
43° 3′ 43″ N 71° 54′ 19″ E
/
600 ft
(183 m MSL)
navigation
229°
42° 53′ 45″ N 70° 51′ 40″ E
/
41 ft
(12 m MSL)
navigation
154°
navigation
196°
42° 52′ 46″ N 71° 34′ 35″ E
/
227 ft
(69 m MSL)
navigation
202°
42° 53′ 57″ N 71° 38′ 47″ E
/
600 ft
(183 m MSL)
navigation
207°
43° 36′ 45″ N 70° 21′ 26″ E
/
30 ft
(9 m MSL)
navigation
78°
42° 51′ 41″ N 70° 56′ 36″ E
/
87 ft
(27 m MSL)
navigation
160°
navigation
188°
navigation
73°