Pilot landed on runway 18 when cleared to land on runway 27.

Attributes
ACN	198308
Time
Date	199112
Day	Thu
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : osh
State Reference	WI
Altitude	agl bound lower : 0 agl bound upper : 0
Environment
Flight Conditions	Marginal
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Small Transport, Low Wing, 2 Recip Eng
Flight Phase	landing other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : instrument
Experience	flight time last 90 days : 200 flight time total : 1000 flight time type : 200
ASRS Report	198308
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	incursion : runway other anomaly other other spatial deviation
Independent Detector	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:

Pilot landed on runway 18 after having been cleared to land on runway 27. All runways were covered with frost and no runway markings were legible. Error was not discovered by either pilot or tower until after landing rollout. There was no other traffic in the area at the time.

Original NASA ASRS Text

Title: PLT LANDED ON RWY 18 WHEN CLRED TO LAND ON RWY 27.

Narrative: PLT LANDED ON RWY 18 AFTER HAVING BEEN CLRED TO LAND ON RWY 27. ALL RWYS WERE COVERED WITH FROST AND NO RWY MARKINGS WERE LEGIBLE. ERROR WAS NOT DISCOVERED BY EITHER PLT OR TWR UNTIL AFTER LNDG ROLLOUT. THERE WAS NO OTHER TFC IN THE AREA 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.