<< >> NASA ASRS Report 1412243, December 2016

SR20 pilot reported while climbing to avoid traffic they inadvertently flew into sfo class B airspace.

Attributes
ACN	1412243
Time
Date	201612
Local Time Of Day	0601-1200
Place
Locale Reference	OAK.Airport
State Reference	CA
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Make Model Name	SR20
Operating Under FAR Part	Part 91
Flight Phase	Cruise
Flight Plan	None
Aircraft 2
Make Model Name	Cessna Aircraft Undifferentiated or Other Model
Operating Under FAR Part	Part 91
Flight Phase	Cruise
Person 1
Function	Pilot Flying Single Pilot
Qualification	Flight Crew Private
Experience	Flight Crew Last 90 Days 30 Flight Crew Total 120 Flight Crew Type 120
Events
Anomaly	Airspace Violation All Types Conflict Airborne Conflict Deviation - Procedural FAR

Narrative:

I was on flight following with norcal during a bay tour. I was departing the area to the west flying approximately the 075 radial of the sau VOR from angel island. I saw a cessna slightly below and ahead; crossing right to left; that was on a collision [course]. Norcal was calling out helicopter and other traffic ahead to the cessna. I was climbing already to clear the oakland hills. The cessna started to climb too and so I climbed steeper to ensure I would still be clear above it. However while focused on avoiding the cessna I think I clipped the edge of the bravo; probably entering the 3000 ring; and then exiting it at about 3200 into the 4000 ring near vpmor. The frequency was busy and don't recall norcal calling out the cessna as traffic to me; however I felt that evasive action was necessary. I did not realize I had probably entered the bravo until I was already in the 4000 ring and higher than I expected to be.

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Original NASA ASRS Text

Title: SR20 pilot reported while climbing to avoid traffic they inadvertently flew into SFO Class B airspace.

Narrative: I was on flight following with Norcal during a Bay Tour. I was departing the area to the west flying approximately the 075 radial of the SAU VOR from Angel Island. I saw a Cessna slightly below and ahead; crossing right to left; that was on a collision [course]. Norcal was calling out helicopter and other traffic ahead to the Cessna. I was climbing already to clear the Oakland hills. The Cessna started to climb too and so I climbed steeper to ensure I would still be clear above it. However while focused on avoiding the Cessna I think I clipped the edge of the Bravo; probably entering the 3000 ring; and then exiting it at about 3200 into the 4000 ring near VPMOR. The frequency was busy and don't recall Norcal calling out the Cessna as traffic to me; however I felt that evasive action was necessary. I did not realize I had probably entered the Bravo until I was already in the 4000 ring and higher than I expected to be.

Data retrieved from NASA's ASRS site 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.