Reference only — not for real-world navigation.
OL50
Harmon Memorial Hospital Heliport · Hollis
Key Facts
Essential technical summary for MSFS 2020/2024 and X-Plane.
ILS Approach StatusILS DATA NOT IN DATABASE
Field Elevation
1,633 ft / 498 m
Transition Altitude
18,000 ft
Primary Channel
—
Live Conversion
inHg
hPa
Runway Summary (Quick-Links)
H1/ · 40 ft · AsphaltLIGHTEDFlight Planning
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Welcome to the technical flight briefing for Harmon Memorial Hospital Heliport (OL50), located in Hollis, United States. As a vital hub for Microsoft Flight Simulator 2024, MSFS 2020, and X-Plane pilots, this facility features 1 active runway with a maximum elevation of 1,633 ft. Please note that this field primarily supports VFR and visual approach procedures.Reference the data below for primary communication channels and detailed runway characteristics. Pilots should observe a Transition Altitude of 18,000 ft verified for this field for altimeter reset procedures.
Full Name
Harmon Memorial Hospital Heliport
ICAO / IATA
OL50 / —
Municipality
Hollis
Country
Region
US-OK — Oklahoma
GPS Coordinates
Transition Altitude
18,000 ft
Elevation
1,633 ft
Pilot Toolbox
External charts, live tracking and weather reports.
Runway H1 /
LIGHTED
Runway Length: 40 ft / 12 m
Runway Width: 40 ft / 12 m
Surface Type: Asphalt
Heading: —° / —°
Runway Width: 40 ft / 12 m
Surface Type: Asphalt
Heading: —° / —°
RWY H1
No ILS / Visual Only
RWY
No ILS / Visual Only
No frequency data available.
Base Airport Data: OurAirports (Public Domain)
Instrument Approach Data: AIP 2026 Researched · Cycle: Jan 2026