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Altitude deviation on climb. High climb rate to avoid windshear plus radial intercept confusion contributed to the deviation, according to reporter first officer.
| Attributes | |
| ACN | 333956 |
| Time | |
| Date | 199604 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : dca |
| State Reference | DC |
| Altitude | msl bound lower : 5000 msl bound upper : 5250 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : dca |
| Operator | general aviation : corporate |
| Make Model Name | Challenger CL601 |
| Operating Under FAR Part | Part 91 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 90 flight time total : 8000 flight time type : 2000 |
| ASRS Report | 333956 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : overshoot non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Taking off from dca to hpn to avoid possible windshear we climbed at a higher than standard rate of climb to 5000 ft. Passing through 4000 ft we decreased our rate of climb but not enough to stop at 5000 ft. We climbed to approximately 5250 ft. We corrected immediately back to 5000 ft. Nothing was said by ATC, and they proceeded to let us climb to our cruise altitude. I feel that being preoccupied with the windshear conditions and trying to intercept the dca 328 degree radial added to the confusion.
Original NASA ASRS Text
Title: ALTDEV ON CLB. HIGH CLB RATE TO AVOID WINDSHEAR PLUS RADIAL INTERCEPT CONFUSION CONTRIBUTED TO THE DEV, ACCORDING TO RPTR FO.
Narrative: TAKING OFF FROM DCA TO HPN TO AVOID POSSIBLE WINDSHEAR WE CLBED AT A HIGHER THAN STANDARD RATE OF CLB TO 5000 FT. PASSING THROUGH 4000 FT WE DECREASED OUR RATE OF CLB BUT NOT ENOUGH TO STOP AT 5000 FT. WE CLBED TO APPROX 5250 FT. WE CORRECTED IMMEDIATELY BACK TO 5000 FT. NOTHING WAS SAID BY ATC, AND THEY PROCEEDED TO LET US CLB TO OUR CRUISE ALT. I FEEL THAT BEING PREOCCUPIED WITH THE WINDSHEAR CONDITIONS AND TRYING TO INTERCEPT THE DCA 328 DEG RADIAL ADDED TO THE CONFUSION.
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.