FAA facility Airport

DANE COUNTY RGNL/TRUAX FLD

MADISON, WISCONSIN FAA MSN ICAO KMSN Open to the public

Open View on OpenStreetMap

Runways

3 records · drawn to relative scale

03/21 7,200 × 150 ft · Concrete (good) · High-intensity edge lights

03 21

Runway-end details

Runway 03/21 end details
End	True hdg	ILS	Glide slope aid	Approach lights	Displaced thr	Declared distances
03	29°	—	PAPI · 4-light · left side	—	431 ft	TORA 7,200 · TODA 7,200 · ASDA 7,200 · LDA 6,770
21	209°	ILS/DME	PAPI · 4-light · left side	MALSR Medium-intensity ALS with runway alignment lights	—	TORA 6,770 · TODA 6,770 · ASDA 7,015 · LDA 7,015

14/32 5,846 × 150 ft · Concrete (good) · High-intensity edge lights

14 32

Runway-end details

Runway 14/32 end details
End	True hdg	ILS	Glide slope aid	Approach lights	Displaced thr	Declared distances
14	136°	—	PAPI · 4-light · left side	—	477 ft	TORA 5,846 · TODA 5,846 · ASDA 5,846 · LDA 5,369
32	316°	—	PAPI · 4-light · left side	—	—	TORA 5,846 · TODA 5,846 · ASDA 5,846 · LDA 5,846

18/36 9,006 × 150 ft · Concrete (fair) · High-intensity edge lights

18 36

Runway-end details

Runway 18/36 end details
End	True hdg	ILS	Glide slope aid	Approach lights	Displaced thr	Declared distances
18	182°	ILS/DME	PAPI · 4-light · left side	MALSR Medium-intensity ALS with runway alignment lights	400 ft	TORA 9,006 · TODA 9,006 · ASDA 9,006 · LDA 8,606
36	2°	ILS/DME	PAPI · 4-light · left side	ALSF2 High-intensity ALS with sequenced flashers (CAT II/III)	1,001 ft	TORA 9,006 · TODA 9,006 · ASDA 9,006 · LDA 8,006

Communications

29 published frequencies

Published communications frequencies
Use	Frequency	Hours
MSN VORTAC	108.6/23X	—
CTAF	119.3	—
LCL/P	119.3	0600-2300
APCH/P DEP/P	120.1	0600-2300
CLASS C	120.1	0600-2300
EMERG	121.5	0600-2300
CD/P	121.625	0600-2300
GND/P	121.9	0600-2300
MADISON RCO	122.6	—
UNICOM	122.95	—
ANG OPS	123.4	0600-2300
ATIS	124.65	0600-2300

Show 17 more frequencies

LONE ROCK RCAG	133.3	—
APCH/P DEP/P	135.45	0600-2300
CLASS C	135.45	0600-2300
ANG OPS	138.175	0600-2300
ANG OPS	238.2	0600-2300
EMERG	243.0	0600-2300
LCL/P	257.8	0600-2300
LONE ROCK RCAG	257.925	—
ATIS	278.3	0600-2300
ANG OPS	299.9	0600-2300
DEP/P	318.1	0600-2300
APCH/P IC	343.7	0600-2300
CLASS C	343.7	0600-2300
GND/P	348.6	0600-2300
APCH/P	350.3	0600-2300
CLASS C	350.3	0600-2300
ANG OPS	40.8	0600-2300

Instrument landing systems

NASR ILS_BASE records

Instrument landing system records
Runway end	System	Category	Frequency	Status
18	ILS/DME	I	110.1	Operational ifr (1979-01-25)
21	ILS/DME	I	111.55	Operational ifr (1980-01-01)
36	ILS/DME	III	110.1	Operational ifr (1901-01-01)

FAA listing history

Identities observed in NASR snapshots

DANE COUNTY RGNL/TRUAX FLD Observed 2024-06-13 through 2025-08-07 KMSN

DANE COUNTY RGNL/TRUAX FLD Observed 2025-09-04 through 2026-07-09 KMSN

Dates describe available FAA snapshots, not exact opening, closure or construction dates.

Material changes

First observed in NASR cycles

Fuel changed 2025-09-04

Facility facts

FAA / ICAO: MSN / KMSN
Type: Airport A
Status: Open
Ownership: Publicly owned
Use: Open to the public
Activated: 1937-09
Part 139: Class I · ARFF index C I C
Fuel: 100LL JET A A++
Repair: Airframe: Major
Powerplant: Major
Tower: Control tower + radar approach control ATCT-TRACON

Location

City: MADISON, WI
County: Dane
FAA region: Great Lakes region
Coordinates: 43.13988, -89.33750
Elevation: 886.6 ft (3RD PARTY SURVEY)

View coordinates on OpenStreetMap

Weather stations

MSN Commissioned 1996-04-29 ASOS

Wildlife strikes

313Reported strikes

20With damage

0Injuries

Latest matched event: 2026-05-31. Safety-event data, separate from NASR infrastructure facts.

2012 2026

Wildlife strikes by year for DANE COUNTY RGNL/TRUAX FLD
Year	Strikes	Damaging
2012	4	0
2013	7	1
2014	14	1
2015	13	0
2016	8	0
2017	4	0
2018	13	0
2019	6	0
2020	7	0
2021	29	2
2022	26	0
2023	18	0
2024	21	0
2025	23	2
2026	23	2

FAA NASR cycle effective 2026-08-06. Operational information changes every cycle — consult current FAA publications, the Chart Supplement and NOTAMs before flight.