1
Runway
0
Frequencies
0
Procedures
0
NOTAMs
Quick Facts
FAA
LL91
Elevation
870 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
42.416, -89.453
Airport Information
Facility Type
AIRPORT
Elevation
870 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
CHICAGO
Coordinates
42.4158, -89.4529
Ownership
Private
Hours of Operation
Current Weather
METAR KFEP 131615Z AUTO 34016G20KT 10SM SCT037 OVC045 15/06 A3007 RMK AO2 T01460064
Flight Category
VFR
Wind
340° at 16 kt G20
Visibility
10+ SM
Temperature
14.6°C
Dewpoint
6.4°C
Altimeter
1018.40 inHg
Cloud Cover
OVC
Nearest weather from KFEP (13 NM away)
Observed 2026-05-13 16:15Z
Nearby Weather Cameras
No camera at LL91. Showing nearest cameras.
Lake in the Hills
West · Camera 3 · 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 | Length | Width | Surface | Lights |
|---|---|---|---|---|
| 07/25 | 1,600 ft | 70 ft | TURF | - |
Active NOTAMs
No active NOTAMs for LL91.
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LL91 Operational Overview
Location & Facility
HILLMAN (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 42.4158°N, 89.4529°W.
Runways
HILLMAN has 1 runway. The longest runway (07/25) measures 1,600 feet by 70 feet with a turf surface.
Communications & Operations
HILLMAN is a non-towered (pilot-controlled) field.
Weather Cameras
1 FAA Weather Camera is available near HILLMAN, 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.
Current Conditions
The current flight category at HILLMAN is VFR (Visual Flight Rules — good flying conditions). Weather conditions are updated in real-time from official NOAA Aviation Weather Center observations.
Frequently Asked Questions
What is LL91?
LL91 is the ICAO identifier for HILLMAN, a public-use airport located in ROCK CITY, Illinois, United States.
How many runways does HILLMAN have?
HILLMAN (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 is 870 feet above mean sea level (MSL).
Is fuel available at LL91?
No fuel types are currently listed for HILLMAN. Contact the FBO directly for availability.
What are the current weather conditions at LL91?
The current flight category at HILLMAN is VFR. See the METAR section above for full decoded weather data including wind, visibility, temperature, and altimeter.
Are there active NOTAMs at LL91?
There are currently no active NOTAMs for HILLMAN.
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.
Where is HILLMAN located?
HILLMAN (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.