Franklin County State Airport
FSO · KFSO · Swanton, VT · Non-towered · Print kneeboard
FAA airport diagramView full size ↓ Nearby now
Loading…
Weather
METAR observed
Loading current weather…
TAF forecast
Loading forecast…
Sun & FAA night2026-08-04 · night begins 08:49 PM
| Event | Local (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:08 AM | 09:08Z |
| Sunrise | 05:41 AM | 09:41Z |
| Sunset | 08:15 PM | 00:15Z |
| Evening civil twilight Loggable night begins | 08:49 PM | 00:49Z |
Plan a flight from KFSO
Past 24 hours category · wind · ceiling · visibility trends
Loading station history…
Density altitude today projected curve · departure window · takeoff roll
Winds aloft NOAA forecast · 3,000 to 53,000 ft
Loading winds aloft…
Advisories
NOTAMs
Loading NOTAMs…
Pilot reports
Loading PIREPs…
Airspace hazards
Checking advisories…
Runways
RWY 19LEFT traffic
- Heading
- 188° mag · 174° true
- Dimensions
- 3,001 × 60 ft
- TPA
- 1,200 ft MSL (≈1,000 AGL) · standard
- Surface
- ASP
- CTAF
- 122.8
Enter the left downwind (heading 008°) on the 45° at 1,200 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 01/19 | 3,001 ft |
Prefer one flat page? Full runway details for KFSO → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the KFSO kneeboard →
Comms & NavAids
Communication frequencies
Before taxi
Taxi & takeoff
Departure & arrival
“Burlington”Also
ATC assigns the exact frequency (in your clearance or on handoff) — which one depends on your SID (departing) or STAR (arriving).
By procedure & sector (3 frequencies)
| Frequency | Used by |
|---|---|
| 278.8 | APCH/P DEP/P (EAST) |
| 342.25 | ST. ALBANS RCAG (LOW) |
| 360.8 | APCH/P DEP/P (WEST) |
Source: FAA NASR (current 28-day cycle).
Nearby navigation aids
BJA 112.40 · BTV 117.50
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| BJA · Burlington | TACAN | 112.40 · 71X | — | r020° / 27.9 NM |
| BTV · Burlington | VOR/DME | 117.50 · 122X | Low | r021° / 32.8 NM |
Prefer one flat list? All KFSO frequencies →
Charts & procedures
Lowest minimums here: RNAV (GPS) with vertical guidance · VFR sectional →
Airport info
From the field
Do you run KFSO, or an FBO, flight school, or shop on it? Claim your listing to keep fuel, fees, hours, and services current.
Airport information
- ICAO / IATA
- KFSO
- Coordinates
- 44.9403, -73.0975
- Elevation
- 228 ft MSL
- Magnetic variation
- 14W
- Sectional chart
- MONTREAL
- Airport use
- Public
- Control tower
- No
- Weather station
- AWOS-3 · 119.025 · ☎ 802-868-9941
- ARTCC
- BOSTON (ZBW)
- Flight service (FSS)
- BURLINGTON · 122.2 · 1-800-WX-BRIEF
- NOTAM facility
- BTV
- Attendance
- MON-FRI 0830-1700
- Beacon
- white-green (SS-SR)
- Segmented circle
- Yes
- Wind indicator
- lighted
- Activated
- 1970/07
- Distance from city
- 3 W
Activity & hazards NASR
- Parachute jumping — to 12,500 ft MSL · DAWN TO DUSK
Night operations
- Airport lighting
- SEE RMK
- Rotating beacon
- white-green · SS-SR
- Pilot-controlled lighting
- DUSK-DAWN. ACTVT REIL RWY 18 & 36; MIRL RWY 18/36 - CTAF. PAPI RWY 36 OPR CONSLY. on 122.8 — 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
- Fuel available
- 100LL, Jet A-1 (additive)
- Bottled oxygen
- NONE
- Bulk oxygen
- NONE
- Airframe service
- MAJOR
- Powerplant service
- MAJOR
- Parking
- tiedowns, hangars
- Other services
- Avionics, Instruction, Parachute ops, Rental, Aircraft sales
Ownership & management 2 contacts
Remarks FAA · 6 notes
General
- RWY CONDS NOT MNT WHEN UNATNDD.
- BIRDS INVOF ARPT.
- FOR CD CTC BURLINGTON APCH AT 802-657-4413, WHEN APCH CLSD CTC BOSTON ARTCC AT 603-879-6859.
Runways
- PCR VALUE: 200/F/C/X/T
Lighting
- DUSK-DAWN. ACTVT REIL RWY 18 & 36; MIRL RWY 18/36 - CTAF. PAPI RWY 36 OPR CONSLY.
Fuel
- SELF SVC FUEL AVBL 24 HRS.
Embed KFSO weather on your site free widget for schools, clubs & FBOs
Live METAR, flight category, and favored runway for KFSO — paste this into your website's HTML. It updates automatically and stays free.
More widgets — crosswind, E6B, density altitude — on the embed page.
Nearby airports
Loading nearby conditions…
Also nearby: VT38 Greenwoods Airfield (private) (7 NM) · VT46 Northern Lights Airport (private) (9 NM) · 88VT Hawk's Nest Airport (private) (11 NM) · VT15 Savage Island Airport (private) (16 NM) · VT52 Shaw Meadow Airport (private) (18 NM) · VT26 Allenholm Airport (21 NM)
About KFSO
Franklin County State Airport (FSO · KFSO) is an airport in Swanton, VT, at 228 ft MSL. It has 1 runway, the longest 3,001 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for KFSO, refreshed from the Aviation Weather Center and FAA NASR.
Does KFSO have a control tower?
No. Franklin County State Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at KFSO?
Franklin County State Airport has 1 runway; the longest is 3,001 ft. See the Runways section for headings, surface, and lighting.
Where is KFSO?
Franklin County State Airport is in Swanton, VT, at an elevation of 228 ft MSL. Coordinates: 44.9403, -73.0975.
Fly out of KFSO often?
Save KFSO 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 KFSO 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.