Westport Airport / Keystone Airpark
4F1 · Westport, OK · 900 ft elevation · var 6E · Non-towered
Airport information
- FAA LID
- 4F1
- Coordinates
- 36.2223, -96.3461
- Elevation
- 900 ft MSL
- Magnetic variation
- 6E
- Sectional chart
- KANSAS CITY
- Airport use
- Public
- Control tower
- No
- ARTCC
- KANSAS CITY (ZKC)
- Flight service (FSS)
- MC ALESTER
- NOTAM facility
- MLC
- Attendance
- IREG
- Segmented circle
- No
- Distance from city
- 2 E
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (CDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:38 AM | 10:38Z |
| Sunrise | 06:08 AM | 11:08Z |
| Sunset | 08:46 PM | 01:46Z |
| Evening civil twilight Loggable night begins | 09:16 PM | 02:16Z |
Plan a flight from 4F1
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 03 · 026°
- Pattern
- left (turns left)
- TPA
- 1,500 ft MSL · 600 AGL
- CTAF
- 122.9
Enter the left downwind for Rwy 03 at 1,500 ft MSL · 600 AGL on a 45°.
Runway 03/21
2,900 ft × 42 ft · Asphalt (Fair)- Heading
- 026° mag · 32° true
- Markings
- basic
- Traffic pattern
- Left
- Heading
- 206° mag · 212° true
- Markings
- basic
- Traffic pattern
- Left
- 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
| Runway | Length | Your margin |
|---|---|---|
| 03/21 | 2,900 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| GNP · Glenpool | VOR-DME | 110.60 | r309° / 25.7 NM |
| TUL · Tulsa | VORTAC | 114.40 | r265° / 27.1 NM |
| SWO · Stillwater | VOR-DME | 108.40 | r083° / 35.6 NM |
| OKM · Okmulgee | VOR-DME | 114.90 | r316° / 39.4 NM |
| BVO · Bartlesville | VOR-DME | 117.90 | r195° / 40 NM |
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Services
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- NONE
- Powerplant service
- NONE
- Other services
- Instruction
Ownership & management
Remarks FAA
- VFR ONLY.
- ACTVT RWY LGTS FOR ALL OPS DAY & NIGHT. USE HIGHEST INTST FOR DAYTIME OPS.
- FOR CD CTC TULSA APCH AT 918-831-6714/6720.
- ACTVT MIRL RY 03/21 - CTAF.
- BOARD CHAIRMAN.
- 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.
- 7-10 FT TREES 150 FT FM RY END, 58 FT LEFT OF RWY CNTRLN.
Nearby airports
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.
About 4F1
Westport Airport / Keystone Airpark (4F1) is an airport in Westport, OK, at 900 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 on the Comms & NavAids tab.
What is the longest runway at 4F1?
Westport Airport / Keystone Airpark has 1 runway; the longest is 2,900 ft. See the Runways tab for headings, surface, and lighting.
Where is 4F1?
Westport Airport / Keystone Airpark is in Westport, OK, at an elevation of 900 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.