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Private pilot of a C172 inadvertently climbed into class B airspace during a short cross country trip. Turbulence and planning factors.
| Attributes | |
| ACN | 361350 |
| Time | |
| Date | 199702 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sjc |
| State Reference | CA |
| Altitude | msl bound lower : 2800 msl bound upper : 3100 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : oak |
| Operator | general aviation : personal |
| Make Model Name | Skyhawk 172/Cutlass 172 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Flight Plan | None |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : private |
| Experience | flight time last 90 days : 8 flight time total : 147 flight time type : 35 |
| ASRS Report | 361350 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | non adherence : far other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Flight from sjc to apc, in contact with bay departure. Controller warned me I was getting close to bravo airspace, suggested I turn north. I was at about 2800 ft and did not realize it was my altitude that would get me into class B airspace. Was experiencing moderate turbulence at the time and got pushed above 3000 ft MSL. The controller advised we had entered class bravo airspace and that we were now cleared into class bravo airspace. I apologized for entering and thanked him for his help. One contributing factor was the moderate turbulence. One other contributing factor was the lack of preparation in reviewing (thoroughly) the san francisco class B chart.
Original NASA ASRS Text
Title: PVT PLT OF A C172 INADVERTENTLY CLBED INTO CLASS B AIRSPACE DURING A SHORT XCOUNTRY TRIP. TURB AND PLANNING FACTORS.
Narrative: FLT FROM SJC TO APC, IN CONTACT WITH BAY DEP. CTLR WARNED ME I WAS GETTING CLOSE TO BRAVO AIRSPACE, SUGGESTED I TURN N. I WAS AT ABOUT 2800 FT AND DID NOT REALIZE IT WAS MY ALT THAT WOULD GET ME INTO CLASS B AIRSPACE. WAS EXPERIENCING MODERATE TURB AT THE TIME AND GOT PUSHED ABOVE 3000 FT MSL. THE CTLR ADVISED WE HAD ENTERED CLASS BRAVO AIRSPACE AND THAT WE WERE NOW CLRED INTO CLASS BRAVO AIRSPACE. I APOLOGIZED FOR ENTERING AND THANKED HIM FOR HIS HELP. ONE CONTRIBUTING FACTOR WAS THE MODERATE TURB. ONE OTHER CONTRIBUTING FACTOR WAS THE LACK OF PREPARATION IN REVIEWING (THOROUGHLY) THE SAN FRANCISCO CLASS B CHART.
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.