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Air carrier issued and read back altitude assignment. On handoff controller queried altitude assigned and said not 11000, but 10000'.
| Attributes | |
| ACN | 176030 |
| Time | |
| Date | 199104 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : teb |
| State Reference | NJ |
| Altitude | msl bound lower : 10000 msl bound upper : 11000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90 |
| Operator | general aviation : corporate |
| Make Model Name | Light Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | departure sid : sid |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : atp |
| Experience | flight time last 90 days : 110 flight time total : 13000 flight time type : 6000 |
| ASRS Report | 176030 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 120 flight time total : 11260 flight time type : 5400 |
| ASRS Report | 175878 |
| Events | |
| Anomaly | altitude deviation : overshoot other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance flight crew : returned to intended course or assigned course other |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Deviation |
Narrative:
After an IFR departure from teb, the ny departure controller cleared our flight to climb to 11000'. I read back the clearance confirming our climb to 11000', during the climb we were changed over to the next controller. When I made contact with this controller, we were leveling off at 11000'. At this point the controller asked us what our assigned altitude was and I told him the last controller cleared us to 11000'. The controller told us we were only cleared to 10000' and to descend to 10000'. After starting our descent to 10000' he changed us over to the next controller, who then cleared us to climb to 12000'. There was no further discussion about this conflict in altitude assignment.
Original NASA ASRS Text
Title: ACR ISSUED AND READ BACK ALT ASSIGNMENT. ON HANDOFF CTLR QUERIED ALT ASSIGNED AND SAID NOT 11000, BUT 10000'.
Narrative: AFTER AN IFR DEP FROM TEB, THE NY DEP CTLR CLRED OUR FLT TO CLB TO 11000'. I READ BACK THE CLRNC CONFIRMING OUR CLB TO 11000', DURING THE CLB WE WERE CHANGED OVER TO THE NEXT CTLR. WHEN I MADE CONTACT WITH THIS CTLR, WE WERE LEVELING OFF AT 11000'. AT THIS POINT THE CTLR ASKED US WHAT OUR ASSIGNED ALT WAS AND I TOLD HIM THE LAST CTLR CLRED US TO 11000'. THE CTLR TOLD US WE WERE ONLY CLRED TO 10000' AND TO DSND TO 10000'. AFTER STARTING OUR DSNT TO 10000' HE CHANGED US OVER TO THE NEXT CTLR, WHO THEN CLRED US TO CLB TO 12000'. THERE WAS NO FURTHER DISCUSSION ABOUT THIS CONFLICT IN ALT ASSIGNMENT.
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.