A C182 pilot climbs into the den class B on an early morning flight. Says he wasn't thinking clearly...

Attributes
ACN	406040
Time
Date	199806
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : den
State Reference	CO
Altitude	msl bound lower : 10000 msl bound upper : 11500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : den
Operator	general aviation : personal
Make Model Name	Skylane 182/RG Turbo Skylane/RG
Operating Under FAR Part	Part 91
Flight Phase	climbout : intermediate altitude
Flight Plan	VFR
Person 1
Affiliation	Other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : commercial pilot : cfi
Experience	flight time last 90 days : 40 flight time total : 2800 flight time type : 2000
ASRS Report	406040
Events
Anomaly	non adherence : far non adherence : published procedure other anomaly other
Independent Detector	other flight crewa
Resolutory Action	flight crew : exited penetrated airspace none taken : detected after the fact
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Inadvertent climb into type B. Assumed I was outside it after 20 mi from den. Early am, not thinking as clearly as I should. No conflicts. I descended as soon as I realized problem. No contact with ATC.

Original NASA ASRS Text

Title: A C182 PLT CLBS INTO THE DEN CLASS B ON AN EARLY MORNING FLT. SAYS HE WASN'T THINKING CLRLY.

Narrative: INADVERTENT CLB INTO TYPE B. ASSUMED I WAS OUTSIDE IT AFTER 20 MI FROM DEN. EARLY AM, NOT THINKING AS CLRLY AS I SHOULD. NO CONFLICTS. I DSNDED AS SOON AS I REALIZED PROB. NO CONTACT WITH ATC.

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.