Sky Hollow Airport (WS91)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	WS91
Airport Status	Operational
Longitude/Latitude	90°39'49.5000" W / 43°12'31.1000" N -90.663750 / 43.208639 (Estimated)
Elevation	707.00 ft / 215.49 m (Estimated)
From nearest city	5 nautical miles ENE of Boscobel, WI
Location	Richland County, WI

Owner & Manager

Ownership	Privately owned
Owner	JOSEPH J BRANDEMUEHL
Address	40235 HOOVER HOLLOW RD BOSCOBEL, WI 53805
Phone number	608-217-6799
Manager	JOSEPH J BRANDEMUEHL
Address	40235 HOOVER HOLLOW RD BOSCOBEL, WI 53805
Phone number	608-217-6799

Airport Operations and Facilities

Airport Use	Private
Wind indicator	Yes
Control Tower	NON-ATCT
Sectional chart	CHICAGO
Region	AGL - Great Lakes
Responsible ARTCC	ZAU - CHICAGO
Tie-in FSS	GRB - GREEN BAY
FSS Toll Free	1-800-WX-BRIEF

Airport Communications

Runway Information

Runway 11/29

Dimensions	3000 x 60 ft (914 x 18 m)
Surface	TURF (GOOD)
Surface treatment

	11	29
Traffic pattern	Left	Right

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
LNR	DME	LONE ROCK	107Y	116.05		23.8 nm
UKN	DME	WAUKON	105Y	115.85		38.5 nm
LSE	DME	LA CROSSE	21X	108.40		47.7 nm
VOK	TACAN	VOLK	41X	110.40	00E	47.5 nm
DLL	VORTAC	DELLS	117X	117.00	03E	44.4 nm
DBQ	VORTAC	DUBUQUE	105X	115.80	04E	48.6 nm

Remarks

• ALL TFC ARR/DEP SKY HOLLOW WILL CONTINUOUSLY MONITOR BOSCOBEL MUNI ARPT CTAF 122.8.
• ALL TFC AT SKY HOLLOW SHALL REMAIN N OF SKY HOLLOW ARPT.
• FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
• PRVDD MONITOR FREQ OF BOSCOBEL MUNI, LETTER OF AGREEMENT WITH BOSCOBEL MUNI, VFR OPNS ONLY, CLEAR 20:1 APCHS, RGT TFC RY 29 & ALL TFC REMAIN N OF SKY HOLLOW ARPT.