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The Pilots Desk
Heliport

Harmon Memorial Hospital Heliport

ICAO OL50🇺🇸 Hollis
Coordinates
34.6917°N, 99.9146°W
Elevation
1,633 ft (498 m)
Type
Heliport
Region
US-OK
Time zone
Chicago(UTC-05:00)
Magnetic variation
4.4° E

Daylight today(Sep 3, 2026, local time)

Civil dawn
06:49
Sunrise
07:15
Sunset
20:05
Civil dusk
20:31

About 12h 50m of daylight. Civil twilight (dawn/dusk) approximates the FAA definition of night for logging and currency. Times are computed and approximate — verify with official sources.

About Harmon Memorial Hospital Heliport

Harmon Memorial Hospital Heliport is a heliport in Hollis, United States. It sits at an elevation of 1,633 ft (498 m) and has 1 runway, the longest 40 ft / 12 m. It observes America/Chicago local time. The nearest airport is Hollis Municipal Airport (KO35), about 0.9 nm to the nne.

Summary generated from this airport’s structured data — reference only.

Live traffic nearby

Aircraft currently within ~40 nm, from live ADS-B. Positions are approximately real-time — not for navigation.

Loading live traffic…

Live ADS-B by adsb.lol & the OpenSky Network. Not for navigation.

Map

Runway centrelines, navaids and overlapping airspace. Tiles © OpenStreetMap contributors. Reference only — not for navigation.

Runways (1)

RunwayLengthWidthSurfaceLightingStatus
H140 ft / 12 m40 ftAspLightedOpen

Airspace in this area(1)

NameClassTypeFloorCeiling
HOLLIS SR-1HR-SS+1HR MON-FRI & BY NOTAMSpecial useDanger11000 ft MSL17999 ft MSL

Approximate bounding-box match from OpenAIP · all United States airspace. Reference only — consult official charts for exact boundaries and status.

Tall obstacles nearby

ObstacleHeight AGLTop (MSL)Lit
Obstacle266 ft1,860 ft

Tallest obstacles within ~10 nm. Data via OpenAIP. Reference only — consult official charts.

Nearby airports

Great-circle distance and true bearing from Harmon Memorial Hospital Heliport.

Live tracking (FR24) Open in Maps
🇺🇸 More airports in United States📘 Flying in the United States: a pilot's guide

Frequently asked questions

Where is Harmon Memorial Hospital Heliport located?

Harmon Memorial Hospital Heliport is heliport located in Hollis, United States, at an elevation of 1,633 ft (498 m).

How many runways does Harmon Memorial Hospital Heliport have?

Harmon Memorial Hospital Heliport has 1 runway, the longest being 40 ft / 12 m.

What time zone is Harmon Memorial Hospital Heliport in?

Harmon Memorial Hospital Heliport is in the America/Chicago time zone (UTC-05:00).

What is the magnetic variation at Harmon Memorial Hospital Heliport?

The magnetic variation (declination) at Harmon Memorial Hospital Heliport is approximately 4.4° E, per the World Magnetic Model. Variation changes slowly over time — always use the current value charted for navigation.

What airports are near Harmon Memorial Hospital Heliport?

The nearest airport to Harmon Memorial Hospital Heliport is Hollis Municipal Airport (KO35), about 0.9 nm to the nne, followed by Nowhere Airport and Mill Iron Ranch South Airport.

Is the information on this page suitable for flight planning?

No. Harmon Memorial Hospital Heliport data here is for reference and training only — not for navigation. Always consult official sources and current charts before any flight.