wxdecoder
27LL

Ralph Jacobs Airport

Valmeyer, IllinoisElevation 400 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 2,350 ft

09/27
Dimensions
1,800 x 80 ft
Surface
Turf
RWY 09
RWY 27

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

AIRPORT INFORMATION

Facility & services

Ralph Jacobs Airport is in Valmeyer, Illinois. Field elevation 400 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPrivately owned
UsePrivate use
TypeSmall airport
ManagerSTEVE HAYES
Manager phone314-565-2727
AttendedDaily, DALGT
CHARTS & AIRSPACE
ICAO / IATA27LL
SectionalST LOUIS
Center (ARTCC)KANSAS CITY
Flight service (AFSS)COLUMBIA
RegionIllinois
CountryUnited States
Coordinates38.3751, -90.3193
Distance from city4 NM N
SERVICES & LIGHTING
Control towerNon-towered
AIRPORT REMARKS

Operational remarks

›FOR CD CTC ST LOUIS APCH AT 314-890-1018.
›SULLIVANFIELD27LL@GMAIL.COM
OFFICIAL LINKS & SOURCES
↗Search NOTAMs (official FAA NOTAM Search)
↗27LL on OurAirports
FREQUENTLY ASKED
Does 27LL have a METAR?
No on-field METAR is issued for 27LL. This page uses the nearest reporting station as a reference.
Does 27LL have a TAF?
No TAF is issued directly for 27LL. Use the nearest TAF-issuing field as a planning reference.
What is the field elevation at 27LL?
27LL sits at 400 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for 27LL?
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.