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GA pilot contacts approach control and requests advisories through class B airspace. Controller issued transponder squawk but no clearance.
| Attributes | |
| ACN | 405125 |
| Time | |
| Date | 199806 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : clt |
| State Reference | NC |
| Altitude | msl bound lower : 9500 msl bound upper : 9500 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : ztl tracon : clt |
| Operator | general aviation : personal |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 91 |
| Flight Phase | cruise other |
| Route In Use | enroute other |
| Flight Plan | VFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : flight engineer pilot : atp pilot : cfi |
| Experience | flight time last 90 days : 250 flight time total : 13000 flight time type : 50 |
| ASRS Report | 405125 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | non adherence : clearance non adherence : far other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
50 mi southwest of clt, contacted ZTL for radar advisories and clearance through class B airspace. They switched me to greer approach who sent me to clt approach who had me contact clt on a different frequency. The controller tried several times to get our aircraft n-number and destination correct. He gave us a squawk and then went on to handle other aircraft. Since he did not tell me to remain clear of class B airspace, I assumed I was cleared to continue. Abeam clt airport, he advised me that I was well inside class B airspace without a clearance. That was a true statement insofar as he did not ever say cleared through class B airspace. But he did lead me to believe I had a clearance when he gave me a squawk.
Original NASA ASRS Text
Title: GA PLT CONTACTS APCH CTL AND REQUESTS ADVISORIES THROUGH CLASS B AIRSPACE. CTLR ISSUED XPONDER SQUAWK BUT NO CLRNC.
Narrative: 50 MI SW OF CLT, CONTACTED ZTL FOR RADAR ADVISORIES AND CLRNC THROUGH CLASS B AIRSPACE. THEY SWITCHED ME TO GREER APCH WHO SENT ME TO CLT APCH WHO HAD ME CONTACT CLT ON A DIFFERENT FREQ. THE CTLR TRIED SEVERAL TIMES TO GET OUR ACFT N-NUMBER AND DEST CORRECT. HE GAVE US A SQUAWK AND THEN WENT ON TO HANDLE OTHER ACFT. SINCE HE DID NOT TELL ME TO REMAIN CLR OF CLASS B AIRSPACE, I ASSUMED I WAS CLRED TO CONTINUE. ABEAM CLT ARPT, HE ADVISED ME THAT I WAS WELL INSIDE CLASS B AIRSPACE WITHOUT A CLRNC. THAT WAS A TRUE STATEMENT INSOFAR AS HE DID NOT EVER SAY CLRED THROUGH CLASS B AIRSPACE. BUT HE DID LEAD ME TO BELIEVE I HAD A CLRNC WHEN HE GAVE ME A SQUAWK.
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.