Pilot of a piper, PA28, entered sfo class B airspace during VFR overflt at 9000 ft due to not knowing that the top had been raised from 8000 ft to 10000 ft MSL.

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Attributes
ACN	486770
Time
Date	200010
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sfo.airport
State Reference	CA
Altitude	msl single value : 9500
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : o90.tracon
Operator	general aviation : personal
Make Model Name	PA-28 Cherokee/Archer II/Dakota/Pillan/Warrior
Operating Under FAR Part	Part 91
Navigation In Use	other
Flight Phase	cruise : level
Flight Plan	None
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : commercial pilot : instrument
Experience	flight time last 90 days : 50 flight time total : 5000 flight time type : 4000
ASRS Report	486770
Person 2
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Events
Anomaly	airspace violation : entry non adherence : far
Independent Detector	other flight crewa
Resolutory Action	none taken : detected after the fact
Consequence	Other
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Flying over sfo class B airspace at 9500 ft, I did not realize that the top had been raised to 10000 ft. Safety was not compromised. Aircraft separations were maintained. It won't happen again.

Original NASA ASRS Text

Title: PLT OF A PIPER, PA28, ENTERED SFO CLASS B AIRSPACE DURING VFR OVERFLT AT 9000 FT DUE TO NOT KNOWING THAT THE TOP HAD BEEN RAISED FROM 8000 FT TO 10000 FT MSL.

Narrative: FLYING OVER SFO CLASS B AIRSPACE AT 9500 FT, I DID NOT REALIZE THAT THE TOP HAD BEEN RAISED TO 10000 FT. SAFETY WAS NOT COMPROMISED. ACFT SEPARATIONS WERE MAINTAINED. IT WON'T HAPPEN AGAIN.

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.