AIRPORT CLOSED — do not use for landing
1
Runway
0
Frequencies
0
Procedures
Quick Facts
ICAO
LL91
Elevation
870 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
42.416, -89.453
Airport Information
Facility Type
CLOSED
Elevation
870 ft MSL
Control Tower
No
Fuel Types
None listed
Traffic Pattern
Not published
ARTCC
CHICAGO
Coordinates
42.4160, -89.4531
Ownership
Private
Hours of Operation
Current Weather
Nearby Weather Cameras
No camera at LL91. Showing nearest cameras.
Situational awareness only — not for regulatory minimums
FAA aviation weather camera images are for situational awareness. They may NOT be used to comply with regulatory requirements — for example, to determine weather minimums for IFR flight. Images are generally updated about every 10 minutes and actual site conditions may differ from the displayed image. FAA Order JO 7110.10, §8-3-3
Lake in the Hills
NorthEast · Camera 1 · 4 cameras total
69 NM away
4 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| 07/25 | 07 / 25 | 1,600 ft | 70 ft | TURF | - | - | - |
Airport Remarks
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
Nearby airports & facilities
LL91
HILLMAN
ROCK CITY — <1 nm
LL75
Chester Wyss Airport
Rock City — 1 nm
IL23
ELLIS
DAVIS — 2 nm
IL23
ELLIS
DAVIS — 2 nm
IS93
SUE ROCK INTL
ROCK CITY — 3 nm
IS93
SUE ROCK INTL
ROCK CITY — 3 nm
8IL5
O'CONNOR FLD
PECATONICA — 5 nm
8IL5
O'CONNOR FLD
PECATONICA — 5 nm
IL47
FREEPORT/DORNINK
FREEPORT — 5 nm
IL47
FREEPORT/DORNINK
FREEPORT — 5 nm
KC86
Freeport/Dornink Airport
Freeport — 5 nm
9IL1
DURAND AMBULANCE SERVICE
DURAND — 5 nm
Nearest airports
- LL91 — HILLMAN
ROCK CITY
- LL75 — Chester Wyss Airport
Rock City
- IL23 — ELLIS
DAVIS
- IL23 — ELLIS
DAVIS
- IS93 — SUE ROCK INTL
ROCK CITY
Illinois airports
LL91 Operational Overview
Location & Facility
Hillman Airport (LL91) is a privately owned airport restricted to private use located in Rock City, Illinois, United States. The field sits at an elevation of 870 feet above mean sea level (MSL) at coordinates 42.4160°N, 89.4531°W.
Runways
Hillman Airport has 1 runway. The longest runway (07/25) measures 1,600 feet by 70 feet with a turf surface.
Communications & Operations
Hillman Airport is a non-towered (pilot-controlled) field.
Weather Cameras
1 FAA Weather Camera is available near Hillman Airport, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Frequently Asked Questions
What is LL91?
LL91 is the FAA location identifier for Hillman Airport, a private-use airport — permission from the owner is required before landing, located in Rock City, Illinois, United States.
How many runways does Hillman Airport have?
Hillman Airport (LL91) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of LL91?
The field elevation of Hillman Airport is 870 feet above mean sea level (MSL). The FAA publishes this figure as ESTIMATED, not surveyed — use the current Chart Supplement for a survey-grade elevation.
Is fuel available at LL91?
No fuel types are currently listed for Hillman Airport. Contact the FBO directly for availability.
What is the longest runway at LL91?
The longest runway at Hillman Airport is 1,600 feet long.
How do I access complete data for LL91?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for Hillman Airport.
Where is Hillman Airport located?
Hillman Airport (LL91) is located in Rock City, Illinois, United States, at an elevation of 870 ft MSL.
Does LL91 have weather cameras?
LL91 does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.