Erin Aero Airport (WN75)

Location & QuickFacts

FAA Information Effective	2026-07-09
Airport Identifier	WN75
Airport Status	Operational
Longitude/Latitude	88°22'20.3470" W / 43°14'41.0140" N -88.372319 / 43.244726 (Estimated)
Elevation	1000.00 ft / 304.80 m (Estimated)
Land	3 acres
From nearest city	5 nautical miles S of Hartford, WI
Location	Washington County, WI
Magnetic Variation	01W (1990)

Owner & Manager

Ownership	Privately owned
Owner	J EDWIN COFFEY AND JOAN G COFFEY
Address	1480 HY 83 SOUTH HARTFORD, WI 53027
Phone number	262-673-2193
Manager	DANIEL J COFFEY
Address	1508 TERRY RD HARTFORD, WI 53027
Phone number	262-673-5840

Airport Operations and Facilities

Airport Use	Private
Wind indicator	Yes
Segmented Circle	No
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

Runway Information

Runway 18/36

Dimensions	1200 x 75 ft (366 x 23 m)
Surface	TURF
Surface treatment

	18	36
Traffic pattern	Left	Left

Radio Navigation Aids

ID	Type	Name	Ch	Freq	Var	Dist
LJT	DME	TIMMERMAN	103Y	115.65		16.8 nm
BUU	DME	BURBUN	92X	114.50		33.5 nm
HRK	DME	HORLICK	87Y	114.05		38.0 nm
FAH	DME	FALLS	37X	110.00		38.9 nm
ENW	DME	KENOSHA	29X	109.20		43.4 nm
RYV	NDB	ROCK RIVER		371.00	01W	16.0 nm
OS	NDB	POBER		395.00	03W	38.7 nm
BJB	VOR	WEST BEND		109.80	01W	15.2 nm
BAE	VOR/DME	BADGER	111X	116.40	02E	8.6 nm
OSH	VOR/DME	OSHKOSH	114Y	116.75	02E	45.5 nm
MSN	VORTAC	MADISON	23X	108.60	03E	42.8 nm

Remarks

• FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
• OBS REMOVED/LOWERED OR THRS DSPLCD TO PRVD 20:1 SLOPES; 125' EITHER SIDE OF CNTRLN & 200' EITHER END BE CLEAR OF OBS; LIMITED TO CATEGORY A AIRCRAFT.