3FL4
Knobel Heliport
VFR
38° 11′ 46″ N 90° 23′ 32″ E
/
435 ft
(133 m MSL)
navigation
317°
18° 54′ 26″ N 70° 43′ 18″ E
/
3’952 ft
(1’205 m MSL)
navigation
137°
18° 15′ 5″ N 71° 7′ 13″ E
/
12 ft
(4 m MSL)
navigation
140°