KOQN METAR Brandywine Regional Airport

West Chester, PennsylvaniaElevation 466 ftSmall airport
CURRENT STATUS
VFR22 min old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
Calm
no steady wind
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
-1,520 ft
-1,986 ft vs field
ACTIVE NWS ALERTS

Active weather alerts

Frost AdvisoryMinor · Expected · Likely
25 0725Z to 25 1300Z
New Castle; Kent; Inland Sussex; Kent; Queen Anne's; Talbot; Caroline; Delaware; Philadelphia; Eastern Chester; Eastern Montgomery; Lower Bucks
* WHAT...Temperatures as low as 33 degrees will result in frost formation. * WHERE...Portions of central, northern, and southern Delaware, northeast Maryland, and southeast Pennsylvania. * WHEN...Until 9 AM EDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Take steps now to protect tender plants from the cold.

Alerts from the National Weather Service. For situational awareness only; always confirm against an official briefing.

CURRENT METAR

Decoded observation

Observed 1215Z (8:15 AM local) · 22 min old

KOQN is currently VFR. Winds are calm. Visibility is 10 statute miles. There is no ceiling.

WIND
Calm
No steady wind.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
CLR
FEW and SCT layers are not ceilings.
TEMP / DEWPOINT
3°C / 2°C
37°F / 36°F. 1°C spread.
ALTIMETER
30.59 inHg
1035.9 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: AUTO CLR RMK AO2

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2
automated station with a precipitation discriminator (can tell rain from snow)
SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No TAF available for this airport.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind calm, visibility 10 SM, ceiling none. Forecast suggests today patchy frost then sunny, high near 64F, low near 40F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
Today Patchy Frost then Sunny 64/40 0 kt – 0%
Monday Sunny 67/47 NW 4 kt – 0%
Tuesday Sunny 64/41 N 4 kt – 0%
Wednesday Mostly Sunny 64/45 E 4 kt – 0%
Thursday Mostly Sunny 68/50 S 4 kt – 0%
Friday Sunny 72/49 W 4 kt – 0%
Saturday Mostly Sunny 70/51 E 4 kt – 7%

Source: National Weather Service (office PHI). Forecast issued 1237Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
1 runway · crosswind ranking
NESW0927CALMCALMCALMCALMCALM
WIND USED
Wind calm or variable
Crosswind ranking is unavailable until the wind has a steady direction.
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

1 runway · longest 3,347 ft

09/27
Dimensions
3,347 x 50 ft
Surface
Asphalt (good)
Edge lights
LOW
RWY 0977°T
Displaced threshold125 ft
VGSIPAPI (P2L)
Traffic patternRight
RWY 27257°T
Displaced threshold249 ft
VGSIPAPI (P2L)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude
-1,520 ft
Pressure altitude
-204 ft
Field elevation
466 ft MSL
Temperature
3°C (37°F)
Dewpoint
2°C (36°F)
Altimeter
30.59 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2209Z 6:09 PM
Sunrise
1124Z 7:24 AM
Loggable night
2236Z (6:36 PM local) → 1056Z (6:56 AM local)
end of evening to start of morning civil twilight
Position lights required
2209Z (6:09 PM local) → 1124Z (7:24 AM local)
sunset to sunrise (91.209)
Night passenger currency
2309Z (7:09 PM local) → 1024Z (6:24 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Brandywine Regional Airport is in West Chester, Pennsylvania. Field elevation 466 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UseOpen to the public
TypeSmall airport
ManagerJOHN KASSAB
Manager phone610-692-6100
AttendedDaily, 0800–1700
CHARTS & AIRSPACE
ICAO / IATAKOQN
SectionalWASHINGTON
Center (ARTCC)NEW YORK
Flight service (AFSS)WILLIAMSPORT
RegionPennsylvania
CountryUnited States
Coordinates39.9901, -75.5819
Distance from city3 NM NE
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerNon-towered
Field lightingSunset to sunrise
BeaconSunset to sunrise · White-green (lighted land airport)
CTAF123.075
UNICOM123.075
FREQUENCIES

Communications

124.35
PHILADELPHIA APP/DEP
A/D
125.6
CLNC DEL
CLD
123.075
CTAF/UNICOM
UNIC
123.075
CTAF
CTAF
123.075
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KOQN traffic patterns

2026-06-12 to 2026-10-23, 66 days observed · data 2026-10-23

Medium confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
29.2
AVG OPS/DAY
37.1
Activity trend over 14 days: falling, from 5 to 1 operations per dayOperations trend (14 days)

Busiest day: Tue · Busiest month: Jun

FLEET MIX
Piston single 47%Unknown 46%Twin 3%Turboprop 2%Helicopter 2%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›P28A (Piston single) · ~153 landings/mo
›SLG4 (Unknown) · ~123 landings/mo
›SLG2 (Unknown) · ~60 landings/mo
›DA40 (Piston single) · ~30 landings/mo
›SR20 (Piston single) · ~25 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly single-engine piston aircraft.

›P28A (Piston single)
›SLG4 (Unknown)
›SR20 (Piston single)
›SLG2 (Unknown)
›DA40 (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

AIRPORT REMARKS

Operational remarks

›FOR CD CTC PHILADELPHIA APCH AT 800-354-9884.
›ROAD TRAVERSING THE 200 FT PRIMARY SFC AREA BYD EOR; ROAD RISES TO +13 FT AT A POINT 14 FT FROM EOR 265 FT R.
›PAPI OPS CONS.
›PAPI OPS CONS.
›CALM WIND RWY.
›RAMP FEE OR FUEL.
›FULL LENGTH PARALLEL TWY S OF RWY.
›FOR SVC AFT HRS CTC 610-842-3804.
›BIRDS & DEER ON & INVOF ARPT.
›TFC DEP RWY 27 CLIMB OUT STRAIGHT AHD TIL RCHG 1300 FT MSL; THEN TURN ON CRS FOR NOISE ABATEMENT.
FREQUENTLY ASKED
Does KOQN have a METAR?
Yes. KOQN has a current METAR observation, decoded into plain English on this page.
Does KOQN have a TAF?
When KOQN issues a TAF, its decoded forecast timeline loads live on this page; otherwise use the nearest TAF-issuing field as a planning reference.
What is the field elevation at KOQN?
KOQN sits at 466 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KOQN?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.