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BA41 jetstream climbs through assigned altitude with altitude capture selected. Flight crew catches the deviation and corrects aircraft's altitude. No loss of separation.
| Attributes | |
| ACN | 362630 |
| Time | |
| Date | 199703 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : btv |
| State Reference | VT |
| Altitude | msl bound lower : 16000 msl bound upper : 16250 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zbw |
| Operator | common carrier : air carrier |
| Make Model Name | Jetstream 41 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 130 flight time total : 7000 flight time type : 400 |
| ASRS Report | 362630 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | aircraft equipment problem : less severe altitude deviation : overshoot non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
On climb out from btv the autoplt was in heading mode and 'altitude capture,' vertical mode and climbing at a predicated 170 KTS. As we approached altitude the autoplt initially leveled then continued to climb. My first officer and myself turned off the autoplt and arrested the rate of climb at 16250 ft. There were no aircraft on TCASII within 40 NM and ATC, ZBW, did not complain of a conflict.
Original NASA ASRS Text
Title: BA41 JETSTREAM CLBS THROUGH ASSIGNED ALT WITH ALT CAPTURE SELECTED. FLC CATCHES THE DEV AND CORRECTS ACFT'S ALT. NO LOSS OF SEPARATION.
Narrative: ON CLBOUT FROM BTV THE AUTOPLT WAS IN HEADING MODE AND 'ALT CAPTURE,' VERT MODE AND CLBING AT A PREDICATED 170 KTS. AS WE APCHED ALT THE AUTOPLT INITIALLY LEVELED THEN CONTINUED TO CLB. MY FO AND MYSELF TURNED OFF THE AUTOPLT AND ARRESTED THE RATE OF CLB AT 16250 FT. THERE WERE NO ACFT ON TCASII WITHIN 40 NM AND ATC, ZBW, DID NOT COMPLAIN OF A CONFLICT.
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.