A BA3100 flight crew lands without clearance at msn, wi. Frequency was still on approach control.

Attributes
ACN	419130
Time
Date	199811
Day	Fri
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : msn airport : msn
State Reference	WI
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : msn
Operator	common carrier : air carrier
Make Model Name	Jetstream 31
Operating Under FAR Part	Part 121
Navigation In Use	Other
Flight Phase	descent : approach landing other
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 190 flight time total : 1400 flight time type : 500
ASRS Report	419130
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	incursion : landing without clearance non adherence : clearance non adherence : far
Independent Detector	other controllera other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I was flying the airplane. While on a visual approach to runway 31 at msn, we proceeded to land without a clearance, still on approach control. After discussing the situation with tower on the taxi in, the issue was not pursued any further. No other airplanes were landing or departing at the time.

Original NASA ASRS Text

Title: A BA3100 FLC LANDS WITHOUT CLRNC AT MSN, WI. FREQ WAS STILL ON APCH CTL.

Narrative: I WAS FLYING THE AIRPLANE. WHILE ON A VISUAL APCH TO RWY 31 AT MSN, WE PROCEEDED TO LAND WITHOUT A CLRNC, STILL ON APCH CTL. AFTER DISCUSSING THE SIT WITH TWR ON THE TAXI IN, THE ISSUE WAS NOT PURSUED ANY FURTHER. NO OTHER AIRPLANES WERE LNDG OR DEPARTING AT THE TIME.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.