wxdecoder
30LL

Williams Airpark

Chapin, IllinoisElevation 614 ftSmall airport

OUR HEADSET PICK · NOT SPONSORED

DC

David Clark DC ONE-X

Not sponsored, just the headset we'd buy ourselves: the DC ONE-X, with hybrid noise cancelling, Bluetooth, and 30+ hour battery. And David Clark's A+ customer service is the real reason we recommend them.

Visit David Clark
RUNWAYS

Runway detail & declared distances

1 runway · longest 1,960 ft

E/W
Dimensions
1,960 x 80 ft
Surface
Turf
RWY E
RWY W

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

AIRPORT INFORMATION

Facility & services

Williams Airpark is in Chapin, Illinois. Field elevation 614 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerCHARLES WILSON
Manager phone217-370-1929
AttendedIREG
CHARTS & AIRSPACE
ICAO / IATA30LL
SectionalST LOUIS
Center (ARTCC)KANSAS CITY
Flight service (AFSS)SAINT LOUIS
RegionIllinois
CountryUnited States
Coordinates39.7542, -90.3654
Distance from city2 NM SE
SERVICES & LIGHTING
Control towerNon-towered
AIRPORT REMARKS

Operational remarks

›FOR CD CTC ST LOUIS APCH 314-890-1017.
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗30LL on OurAirports
FREQUENTLY ASKED
Does 30LL have a METAR?
No on-field METAR is issued for 30LL. This page uses the nearest reporting station as a reference.
Does 30LL have a TAF?
No TAF is issued directly for 30LL. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 30LL?
30LL sits at 614 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 30LL?
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.