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Altitude undershot on published approach when ATC clearance was in disagreement with the published procedure near hpn, ny.
| Attributes | |
| ACN | 509150 |
| Time | |
| Date | 200104 |
| Day | Wed |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : hpn.airport |
| State Reference | NY |
| Altitude | msl bound lower : 2000 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air taxi |
| Make Model Name | Beech 1900 |
| Flight Phase | descent : approach |
| Route In Use | approach : visual arrival star : sound visual 34 |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : cfi |
| Experience | flight time last 90 days : 150 flight time total : 1350 flight time type : 400 |
| ASRS Report | 509150 |
| Events | |
| Anomaly | altitude deviation : undershoot non adherence : clearance |
| Resolutory Action | controller : issued advisory controller : issued new clearance |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Chart Or Publication ATC Human Performance Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
I am a first officer on a BE1900D commuter plane operating under far 121. On apr/wed/01, I was part of a crew on flight originating in boston with destination of westchester county airport. We had 6 passenger and crew onboard. At about XA30, we were cleared for the sound visual runway 34 at westchester county by new york approach. Prior to flying south of the shoreline, we were at 3000 ft MSL when ATC came back to us and said 'I told you to maintain 2000 ft MSL. You should be at 2000 ft.' apparently, ATC wasn't clear on his instructions to us because we were flying the approach as per the published approach plate (10-1). I believe the situation could have been prevented if we (the crew) questioned the new york approach controller when we were unsure of the clearance. No conflict resulted from this situation.
Original NASA ASRS Text
Title: ALT UNDERSHOT ON PUBLISHED APCH WHEN ATC CLRNC WAS IN DISAGREEMENT WITH THE PUBLISHED PROC NEAR HPN, NY.
Narrative: I AM A FO ON A BE1900D COMMUTER PLANE OPERATING UNDER FAR 121. ON APR/WED/01, I WAS PART OF A CREW ON FLT ORIGINATING IN BOSTON WITH DEST OF WESTCHESTER COUNTY ARPT. WE HAD 6 PAX AND CREW ONBOARD. AT ABOUT XA30, WE WERE CLRED FOR THE SOUND VISUAL RWY 34 AT WESTCHESTER COUNTY BY NEW YORK APCH. PRIOR TO FLYING S OF THE SHORELINE, WE WERE AT 3000 FT MSL WHEN ATC CAME BACK TO US AND SAID 'I TOLD YOU TO MAINTAIN 2000 FT MSL. YOU SHOULD BE AT 2000 FT.' APPARENTLY, ATC WASN'T CLR ON HIS INSTRUCTIONS TO US BECAUSE WE WERE FLYING THE APCH AS PER THE PUBLISHED APCH PLATE (10-1). I BELIEVE THE SIT COULD HAVE BEEN PREVENTED IF WE (THE CREW) QUESTIONED THE NEW YORK APCH CTLR WHEN WE WERE UNSURE OF THE CLRNC. NO CONFLICT RESULTED FROM THIS SIT.
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.