GA small aircraft pilot lands roc without clearance.

Attributes
ACN	448680
Time
Date	199909
Day	Sat
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : roc.airport
State Reference	NY
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tower : roc.tower
Operator	common carrier : air taxi
Make Model Name	Small Aircraft, Low Wing, 1 Eng, Retractable Gear
Operating Under FAR Part	Part 135
Navigation In Use	other
Flight Phase	landing other
Route In Use	approach : traffic pattern approach : visual arrival : vfr
Flight Plan	IFR
Person 1
Affiliation	company : air taxi
Function	flight crew : single pilot
Qualification	pilot : atp pilot : commercial pilot : instrument pilot : multi engine pilot : cfi
Experience	flight time last 90 days : 280 flight time total : 3200 flight time type : 1000
ASRS Report	448680
Person 2
Affiliation	government : faa
Function	controller : local controller : radar
Qualification	controller : radar
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
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Upon approach to landing, clearance was given for a visual approach from roc approach. After landing I realized that I had not been given a specific clearance to land. No other aircraft were in the vicinity.

Original NASA ASRS Text

Title: GA SMA PLT LANDS ROC WITHOUT CLRNC.

Narrative: UPON APCH TO LNDG, CLRNC WAS GIVEN FOR A VISUAL APCH FROM ROC APCH. AFTER LNDG I REALIZED THAT I HAD NOT BEEN GIVEN A SPECIFIC CLRNC TO LAND. NO OTHER ACFT WERE IN THE VICINITY.

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.