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LL91 Hillman Airport
Rock City, Illinois, USA

GOING TO ROCK CITY?

FAA INFORMATION EFFECTIVE 27 NOVEMBER 2025

Location

FAA Identifier: LL91
Lat/Long: 42-24-57.0540N 089-27-10.4140W
42-24.950900N 089-27.173567W
42.4158483,-89.4528928
(estimated)
Elevation: 870 ft. / 265 m (estimated)
Variation: 01E (1985)
Time zone: UTC -6 (UTC -5 during Daylight Saving Time)
Zip code: 61070

Airport Operations

Airport use: Private use. Permission required prior to landing
Activation date: 11/1989
Control tower: no
ARTCC: CHICAGO CENTER
FSS: KANKAKEE FLIGHT SERVICE STATION
Attendance: UNATNDD
Segmented circle: no

Airport Communications

WX AWOS-3 at FEP (12 nm SW): 120.525 (815-233-4472)
WX AWOS-3 at EFT (13 nm NW): 118.375 (608-328-8359)

Nearby radio navigation aids

VOR radial/distance  VOR name  Freq  Var
JVLr238/17.6JANESVILLE VOR/DME114.3003E

Airport Services

Runway Information

Runway 7/25

Dimensions: 1600 x 70 ft. / 488 x 21 m
Surface: turf
RUNWAY 7  RUNWAY 25
Traffic pattern: leftleft
Obstructions: 25 ft. trees, 500 ft. from runway25 ft. plines, 50 ft. from runway

Airport Ownership and Management from official FAA records

Ownership: Privately-owned
Owner: WILLIAM L. HILLMAN
8592 IL 75E
ROCK CITY, IL 61070
Phone (815) 990-0377
Manager: WILLIAM L. HILLMAN
8592 IL 75E
ROCK CITY, IL 61070
Phone (815) 990-0377

Additional Remarks

- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.

Instrument Procedures

There are no published instrument procedures at LL91.

Some nearby airports with instrument procedures:

KFEP - Albertus Airport (12 nm SW)
KEFT - Monroe Municipal Airport (13 nm NW)
KRFD - Chicago/Rockford International Airport (21 nm SE)
KJVL - Southern Wisconsin Regional Airport (22 nm NE)
44C - Beloit Airport (22 nm E)
  
Loc | Ops | Rwys | IFR | FBO | Links
Com | Nav | Svcs | Stats | Notes
Area around LL91 (Hillman Airport)
 
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Sectional chart

 
Airport distance calculator
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From to LL91

Sunrise and sunset
Times for 15-Dec-2025
 Local
(UTC-6)		 Zulu
(UTC)
Morning civil twilight06:4912:49
Sunrise07:2113:21
Sunset16:2522:25
Evening civil twilight16:5722:57

Current date and time
Zulu (UTC)  15-Dec-2025 10:13:42
Local (UTC-6)  15-Dec-2025 04:13:42
 
METAR
KFEP 
12nm SW 		150955Z AUTO 20014G17KT 10SM CLR M14/M18 A3032 RMK AO2 T11411185
KEFT 
12nm NW 		150955Z AUTO 20017G22KT 10SM CLR M15/M19 A3022 RMK AO2 T11501190
KRFD 
20nm SE 		150954Z 17013KT 10SM OVC180 M15/M19 A3033 RMK AO2 PRESFR SLP290 T11501194 $
KJVL 
23nm NE 		150955Z AUTO 20011KT 10SM CLR M14/M18 A3028 RMK AO2
TAF
KRFD 
20nm SE 		150520Z 1506/1606 19007KT P6SM BKN080 FM150800 20011KT P6SM SCT080 BKN120 WS020/23045KT FM151600 24016G26KT P6SM BKN150 FM152200 24008KT P6SM SCT250
KJVL 
23nm NE 		150523Z 1506/1606 21007KT P6SM SCT100 BKN250 FM150700 21008KT P6SM SCT100 OVC200 WS020/22045KT FM151100 20014G24KT P6SM OVC200 WS020/22045KT FM151500 22015G24KT P6SM BKN210 FM151900 24010KT P6SM BKN220 FM160200 00000KT P6SM SCT250
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