Westport Airport / Keystone Airpark
4F1 · Westport, OK · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-04 · night begins 08:56 PM
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:06 AM | 11:06Z |
| Sunrise | 06:34 AM | 11:34Z |
| Sunset | 08:28 PM | 01:28Z |
| Evening civil twilight Loggable night begins | 08:56 PM | 01:56Z |
Plan a flight from 4F1
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Advisories
NOTAMs
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Pilot reports
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Airspace hazards
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Runways
RWY 21LEFT traffic
- Heading
- 206° mag · 212° true
- Dimensions
- 2,900 × 42 ft
- TPA
- 1,501 ft MSL · 600 AGL · charted
- Surface
- Asphalt
- CTAF
- 122.9
Enter the left downwind (heading 026°) on the 45° at 1,501 ft MSL.
More details — RWY 21
- Threshold elev
- 901 ft
- Markings
- basic
- Approach obstacle
- Tree, 19 ft, 224 ft from threshold, 40 ft R of centerline — 1:1 slope to clear · penetrates the 20:1 visual approach surface
Pattern side: FAA NASR · TPA charted (NASR) · layout: FAA runway-end coordinates
| Runway | Length | Your margin |
|---|---|---|
| 03/21 | 2,900 ft |
Prefer one flat page? Full runway details for 4F1 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4F1 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
TUL 114.40 · SWO 108.40 · OKM 114.90 · +1
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| TUL · Tulsa | VORTAC | 114.40 · 91X | High | r265° / 27.1 NM |
| SWO · Stillwater | VOR/DME | 108.40 · 21X | Terminal | r083° / 35.6 NM |
| OKM · Okmulgee | VOR/DME | 114.90 · 96X | High | r316° / 39.4 NM |
| BVO · Bartlesville | VOR/DME | 117.90 · 126X | Low | r195° / 40 NM |
Prefer one flat list? All 4F1 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- 4F1
- Coordinates
- 36.2223, -96.3461
- Elevation
- 901 ft MSL
- Magnetic variation
- 6E
- Sectional chart
- KANSAS CITY
- Airport use
- Public
- Control tower
- No
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- MC ALESTER · 122.3 · 1-800-WX-BRIEF
- NOTAM facility
- MLC
- Attendance
- IREG
- Segmented circle
- No
- Distance from city
- 2 E
Night operations
- Airport lighting
- SEE RMK
- Pilot-controlled lighting
- ACTVT MIRL RY 03/21 - CTAF. on 122.9 — Chart Supplement ↗
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Services fuel · repairs · oxygen · attendance
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Other services
- Instruction
Ownership & management 2 contacts
Remarks FAA · 7 notes
General
- ACTVT RWY LGTS FOR ALL OPS DAY & NIGHT. USE HIGHEST INTST FOR DAYTIME OPS.
- FOR CD CTC TULSA APCH AT 918-831-6714/6720.
Runways
- LIMITED BY ARPT OPERATOR TO 6000 LBS SINGLE WHEEL GEAR.
- RY 21 STEEP UPHILL SLOPE UP TO +60 FT HILL AT RY END & 50 FT R OF CENTERLINE.
Lighting
- ACTVT MIRL RY 03/21 - CTAF.
Obstructions
- 7-10 FT TREES 150 FT FM RY END, 58 FT LEFT OF RWY CNTRLN.
Contact
- BOARD CHAIRMAN.
Nearby airports
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Also nearby: 00OK Gull Bay Landing Airport (private) (6 NM) · 95F Cleveland Municipal Airport (7 NM) · 3OK8 Flying G Ranch Airport (private) (8 NM) · 3OK7 Double W Airport (private) (10 NM) · 40OK Hilltop Airport (private) (11 NM)
About 4F1
Westport Airport / Keystone Airpark (4F1) is an airport in Westport, OK, at 901 ft MSL. It has 1 runway, the longest 2,900 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4F1, refreshed from the Aviation Weather Center and FAA NASR.
Does 4F1 have a control tower?
No. Westport Airport / Keystone Airpark is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 4F1?
Westport Airport / Keystone Airpark has 1 runway; the longest is 2,900 ft. See the Runways section for headings, surface, and lighting.
Where is 4F1?
Westport Airport / Keystone Airpark is in Westport, OK, at an elevation of 901 ft MSL. Coordinates: 36.2223, -96.3461.
Fly out of 4F1 often?
Save 4F1 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.
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 4F1 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.