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CL604 experiences altitude deviation on teb SID due to high performance and late activation of autoplt.
| Attributes | |
| ACN | 771147 |
| Time | |
| Date | 200801 |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : teb.airport |
| State Reference | NJ |
| Altitude | msl bound lower : 1500 msl bound upper : 1650 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tower : teb.tower tower : dal.tower |
| Operator | general aviation : corporate |
| Make Model Name | Challenger CL604 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : initial |
| Route In Use | departure sid : teb |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp pilot : multi engine pilot : instrument pilot : commercial pilot : cfi |
| Experience | flight time last 90 days : 110 flight time total : 15000 flight time type : 2000 |
| ASRS Report | 771147 |
| Events | |
| Anomaly | aircraft equipment problem : less severe altitude deviation : excursion from assigned altitude altitude deviation : crossing restriction not met non adherence : published procedure |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to assigned altitude |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
After takeoff on the teb 5 departure; the autoplt was engaged at approximately 1000 ft AGL. Our first level-off altitude was 1500 ft MSL. Our rate of climb resulted in an overshoot of approximately 150 ft. We elected to leave the autoplt engaged and allowed the aircraft to recover to 1500 ft MSL. Contributing factors: a) aircraft could have been configured at a lesser rate of climb before autoplt engagement. B) autoplt could have been engaged sooner. C) end of a long duty day. Discovery of incident was evident on flight instruments. Corrective action taken using automatic flight control system (autoplt).
Original NASA ASRS Text
Title: CL604 EXPERIENCES ALT DEV ON TEB SID DUE TO HIGH PERFORMANCE AND LATE ACTIVATION OF AUTOPLT.
Narrative: AFTER TAKEOFF ON THE TEB 5 DEP; THE AUTOPLT WAS ENGAGED AT APPROX 1000 FT AGL. OUR FIRST LEVEL-OFF ALT WAS 1500 FT MSL. OUR RATE OF CLB RESULTED IN AN OVERSHOOT OF APPROX 150 FT. WE ELECTED TO LEAVE THE AUTOPLT ENGAGED AND ALLOWED THE ACFT TO RECOVER TO 1500 FT MSL. CONTRIBUTING FACTORS: A) ACFT COULD HAVE BEEN CONFIGURED AT A LESSER RATE OF CLB BEFORE AUTOPLT ENGAGEMENT. B) AUTOPLT COULD HAVE BEEN ENGAGED SOONER. C) END OF A LONG DUTY DAY. DISCOVERY OF INCIDENT WAS EVIDENT ON FLT INSTRUMENTS. CORRECTIVE ACTION TAKEN USING AUTOMATIC FLT CTL SYSTEM (AUTOPLT).
Data retrieved from NASA's ASRS site as of May 2009 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.