Harmon Memorial Hospital HeliportPrivate

OL50 · Hollis, OK · Non-towered · Open on the map

Elevation
1,633 ft MSL
Longest runway
40 ft H1/
Runway
1

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Weather

METAR observed

No weather station at OL50. Nearby reporting stations: KCDS (24 NM), KAXS (28 NM), KLTS (32 NM).

TAF forecast

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Sun & FAA night2026-09-21 · night begins 08:03 PM
EventLocal (CDT)UTC
Morning civil twilight
Loggable night ends
07:02 AM12:02Z
Sunrise07:27 AM12:27Z
Sunset07:38 PM00:38Z
Evening civil twilight
Loggable night begins
08:03 PM01:03Z
Loggable night (§1.1)
08:03 PM → 07:02 AM
Night currency (§61.57)
08:38 PM → 06:27 AM

Plan a flight from OL50

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Full reports: nearest reporting station

Advisories

NOTAMs · Loading NOTAMs…

Pilot reports · Loading PIREPs…

Airspace hazards · Checking SIGMETs and G-AIRMETs…

Temporary flight restrictions · Checking for TFRs…

Runways

Headings shown are true (magnetic variation unavailable).

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for OL50 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the OL50 kneeboard →

Comms & NavAids

Communication frequencies

Taxi & takeoff

CTAF
122.9

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

CDS 117.00 · LTS 109.80
NavAidTypeFreq · chRangeRadial / Dist magnetic
CDS · Childress VORTAC 117.00 · 117X Low r034° / 26.8 NM
LTS · Altus VORTAC 109.80 · 35X Low r268° / 31.8 NM

Prefer one flat list? All OL50 frequencies →

Charts & procedures

No published instrument procedures or Chart Supplement for OL50 — open it on the VFR sectional →

Airport info

Airport information

FAA LID
OL50
Coordinates
34.6917, -99.9146
Elevation
1,633 ft MSL
Sectional chart
DALLAS-FT WORTH
Airport use
Private
Control tower
No
ARTCC
FORT WORTH (ZFW)
Flight service (FSS)
MC ALESTER · 122.3 · 1-800-WX-BRIEF
Segmented circle
No
Activated
2025/07
Distance from city
1 NNW

Night operations

Airport lighting
SS-SR
Pilot-controlled lighting
Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart Supplement

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Ownership & management 2 contacts
Owner
HARMON MEMORIAL HOSPITAL
400 E CHESTNUT ST., HOLLIS, OK
580-688-3363
Manager
ANDREW SPELLMAN
400 E. CHESTNUT ST., HOLLIS, OK
580-688-2303
Remarks FAA · 3 notes

Runways

  • PRI INGRESS 045 DEGS; PRI EGRESS 045 DEGS. SECONDARY INGRESS 315 DEGS; SECONDARY EGRESS 315 DEGS.
  • TLOF 40 X 40 FT; FATO 68.2 X 68.2 FT; SAFETY AREA 91.4 X 91.4 FT. MAX HEL GWT 12,000 LBS.

Contact

  • OTR CTC: ANDREWSPELLMAN@HARMONMEMORIAL.COM

Nearby airports

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Also nearby: O35 Hollis Municipal (1 NM) · 00TT Nowhere (private) (11 NM) · 36XS Mill Iron Ranch South (private) (16 NM) · F06 Marian Airpark (17 NM) · 0TX4 Mill Iron Ranch North (private) (17 NM) · TA91 Childress Regional Medical Center (private) (22 NM)

About OL50

Harmon Memorial Hospital (OL50) is a heliport in Hollis, OK, at 1,633 ft MSL. It has 1 runway, the longest 40 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for OL50, refreshed from the Aviation Weather Center and FAA NASR.

Does OL50 have a control tower?

No. Harmon Memorial Hospital is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at OL50?

Harmon Memorial Hospital has 1 runway; the longest is 40 ft. See the Runways section for headings, surface, and lighting.

Where is OL50?

Harmon Memorial Hospital is in Hollis, OK, at an elevation of 1,633 ft MSL. Coordinates: 34.6917, -99.9146.

More about OL50

Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open OL50 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.

Something here wrong or out of date? Report a data problem.