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A G550 over shot the teb ruudy 4 initial level off altitude of 1;500 ft because both elevator and autopilot trim systems momentarily failed and so the aircraft did not level until the pilot manually returned to 1;500 ft.
| Attributes | |
| ACN | 994231 |
| Time | |
| Date | 201202 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | TEB.Airport |
| State Reference | NJ |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Gulfstream V / G500 / G550 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Initial Climb |
| Route In Use | SID RUUDY 4 |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Altitude Hold/Capture |
| Person 1 | |
| Function | Captain |
| Qualification | Flight Crew Flight Instructor Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 50 Flight Crew Total 9500 Flight Crew Type 120 |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Altitude Overshoot Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance |
Narrative:
Airplane departed teb [with] clearance altitude of 1;500 ft MSL. At approximately 1;300 ft MSL an amber cas message [alerted] 'elevator trim fail' and 'autopilot trim fail.' the airplane was being hand flown and went to 1;700 ft for about 1 second and returned to 1;500 ft. ATC queried us and at the moment they asked we were at 1;590 ft MSL. The cas messages only lasted about 15 seconds. There were no separation issues. The airplane was trimmed for takeoff. The trim failure was short lived; but distracting and at a bad time. Electronic airplanes - gotta love them!
Original NASA ASRS Text
Title: A G550 over shot the TEB RUUDY 4 initial level off altitude of 1;500 FT because both elevator and autopilot trim systems momentarily failed and so the aircraft did not level until the pilot manually returned to 1;500 FT.
Narrative: Airplane departed TEB [with] clearance altitude of 1;500 FT MSL. At approximately 1;300 FT MSL an amber CAS message [alerted] 'ELEVATOR TRIM FAIL' and 'AUTOPILOT TRIM FAIL.' The airplane was being hand flown and went to 1;700 FT for about 1 second and returned to 1;500 FT. ATC queried us and at the moment they asked we were at 1;590 FT MSL. The CAS messages only lasted about 15 seconds. There were no separation issues. The airplane was trimmed for takeoff. The trim failure was short lived; but distracting and at a bad time. Electronic airplanes - gotta love them!
Data retrieved from NASA's ASRS site as of July 2013 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.