Airports 501 to 550
Exxon Research & Engineering Co. Heliport
Penn Chester County Hospital Heliport
West Chester, Pennsylvania, United States — 111 km (60 nm) SSE
Horsham Valley Airways Inc Heliport
Hackettstown Community Hospital Heliport
UPMC Susquehanna Lock Haven Heliport
Lock Haven, Pennsylvania, United States — 113 km (61 nm) WNW