87B
Portage Lake Municipal Seaplane Base
VFR
39° 16′ 13″ N 76° 40′ 25″ W
/
141 ft
(43 m MSL)
navigation
215°
navigation
219°
navigation
217°
navigation
217°
navigation
208°
navigation
215°
navigation
214°
navigation
212°
39° 38′ 42″ N 77° 22′ 4″ W
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451 ft
(137 m MSL)
navigation
219°
navigation
211°
navigation
213°
40° 17′ 47″ N 78° 19′ 11″ W
/
1.503 ft
(458 m MSL)
navigation
224°
navigation
218°
40° 23′ 47″ N 78° 27′ 13″ W
/
1.270 ft
(387 m MSL)
navigation
225°
40° 20′ 22″ N 78° 23′ 23″ W
/
1.336 ft
(407 m MSL)
navigation
224°
navigation
214°
39° 12′ 40″ N 76° 40′ 18″ W
/
170 ft
(52 m MSL)
navigation
215°
39° 45′ 3″ N 77° 34′ 11″ W
/
694 ft
(212 m MSL)
navigation
220°
38° 54′ 33″ N 76° 7′ 10″ W
/
20 ft
(6 m MSL)
navigation
212°
39° 27′ 30″ N 77° 8′ 52″ W
/
693 ft
(211 m MSL)
navigation
218°
navigation
217°
navigation
212°
39° 29′ 53″ N 77° 13′ 18″ W
/
610 ft
(186 m MSL)
navigation
218°