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LL91 Hillman Airport
Rock City, Illinois, USA

GOING TO ROCK CITY?

FAA INFORMATION EFFECTIVE 16 APRIL 2026

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 -5 (UTC -6 during Standard 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)
  
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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 11-May-2026
 Local
(UTC-5)		 Zulu
(UTC)
Morning civil twilight05:1010:10
Sunrise05:4110:41
Sunset20:0701:07
Evening civil twilight20:3901:39

Current date and time
Zulu (UTC)  11-May-2026 09:05:09
Local (UTC-5)  11-May-2026 04:05:09
 
METAR
KFEP 
12nm SW 		110855Z AUTO 04008KT 10SM CLR 06/00 A3019 RMK AO2 T00560004
KEFT 
12nm NW 		110855Z AUTO 05011KT 10SM CLR 04/M01 A3018 RMK AO2 T00411012
KRFD 
20nm SE 		110854Z 02008KT 10SM CLR 07/M01 A3018 RMK AO2 SLP222 T00671006 53007 $
KJVL 
23nm NE 		110835Z AUTO 04006KT 10SM CLR 05/M01 A3018 RMK AO2
TAF
KRFD 
20nm SE 		110520Z 1106/1206 03004KT P6SM SCT100 FM111100 03011KT P6SM FEW300 FM120000 11006KT P6SM SCT250
KJVL 
23nm NE 		110732Z 1108/1206 05007KT P6SM SKC FM112300 07005KT P6SM FEW060 FEW250 FM120100 11006KT P6SM FEW250
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