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This pilot reports that a total of 6 sailplanes at a special event inadvertently penetrated a nearby class B airspace because the chart markings are difficult to discern.
| Attributes | |
| ACN | 431920 |
| Time | |
| Date | 199903 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : ism.airport |
| State Reference | FL |
| Altitude | msl bound lower : 2000 msl bound upper : 6000 |
| Environment | |
| Flight Conditions | VMC VMC |
| Light | Daylight |
| Person 1 | |
| Affiliation | other |
| Function | flight crew : single pilot |
| Qualification | pilot : flight engineer pilot : instrument pilot : multi engine pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 30 flight time total : 10000 flight time type : 1200 |
| ASRS Report | 431920 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : approach |
| Qualification | controller : radar |
| Events | |
| Anomaly | airspace violation : entry non adherence : published procedure non adherence : far |
| Independent Detector | other flight crewa |
| Resolutory Action | none taken : detected after the fact |
| Consequence | Other |
| Supplementary | |
| Problem Areas | Chart Or Publication Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Upon GPS evaluation of the flight paths, it was noticed that 6 sailplanes had inadvertently flown into class B airspace by 1-2 mi. I believe that the government could help prevent such transgressions by making the boundary of class B airspace more noticeable on sectional charts. Presently, the boundary looks quite similar to victor airway depiction. The subject transgression occurred about 20 mi southwest of ism between V533 and V441. The class B boundary is hardly noticeable in this area and looks similar to the victor airway depiction.
Original NASA ASRS Text
Title: THIS PLT RPTS THAT A TOTAL OF 6 SAILPLANES AT A SPECIAL EVENT INADVERTENTLY PENETRATED A NEARBY CLASS B AIRSPACE BECAUSE THE CHART MARKINGS ARE DIFFICULT TO DISCERN.
Narrative: UPON GPS EVALUATION OF THE FLT PATHS, IT WAS NOTICED THAT 6 SAILPLANES HAD INADVERTENTLY FLOWN INTO CLASS B AIRSPACE BY 1-2 MI. I BELIEVE THAT THE GOV COULD HELP PREVENT SUCH TRANSGRESSIONS BY MAKING THE BOUNDARY OF CLASS B AIRSPACE MORE NOTICEABLE ON SECTIONAL CHARTS. PRESENTLY, THE BOUNDARY LOOKS QUITE SIMILAR TO VICTOR AIRWAY DEPICTION. THE SUBJECT TRANSGRESSION OCCURRED ABOUT 20 MI SW OF ISM BTWN V533 AND V441. THE CLASS B BOUNDARY IS HARDLY NOTICEABLE IN THIS AREA AND LOOKS SIMILAR TO THE VICTOR AIRWAY DEPICTION.
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.