G450 first officer reports overshooting the 1;500 ft initial level off altitude on the RUUDY4 depart...

Attributes
ACN	1045697
Time
Date	201210
Local Time Of Day	1201-1800
Place
Locale Reference	TEB.Airport
State Reference	NJ
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Make Model Name	Gulfstream IV / G350 / G450
Operating Under FAR Part	Part 91
Flight Phase	Initial Climb
Route In Use	SID RUUDY4
Flight Plan	IFR
Component
Aircraft Component	Autopilot
Person 1
Function	Pilot Flying Captain
Qualification	Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument
Experience	Flight Crew Last 90 Days 140 Flight Crew Total 19500 Flight Crew Type 4000
Events
Anomaly	Deviation - Altitude Overshoot Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy

Narrative:

Departing teb runway 24 on the RUUDY4 departure; wentz intersection has a mandatory crossing restriction of 1;500 ft. After liftoff and gear retraction; I asked for the autopilot to be engaged at approximately 900 ft to insure that the aircraft leveled at 1;500 ft at wentz. As the aircraft approached 1;500 ft; the climb rate was such that the autopilot overshot the altitude by 100 ft. I disconnected the autopilot and manually flew the aircraft back to 1;500 ft. The departure controller then cleared us to 10;000 ft with no further comment. I relied on the autopilot to level the aircraft at 1;500 ft assuming that would be the case. In the future; I will be more vigilant that the autopilot will comply with the performance that I expect.

Original NASA ASRS Text

Title: G450 First Officer reports overshooting the 1;500 FT initial level off altitude on the RUUDY4 departure from TEB. The autopilot was engaged at 900 FT and was unable to make to make the level off precisely.

Narrative: Departing TEB Runway 24 on the RUUDY4 departure; WENTZ intersection has a mandatory crossing restriction of 1;500 FT. After liftoff and gear retraction; I asked for the autopilot to be engaged at approximately 900 FT to insure that the aircraft leveled at 1;500 FT at WENTZ. As the aircraft approached 1;500 FT; the climb rate was such that the autopilot overshot the altitude by 100 FT. I disconnected the autopilot and manually flew the aircraft back to 1;500 FT. The Departure Controller then cleared us to 10;000 FT with no further comment. I relied on the autopilot to level the aircraft at 1;500 FT assuming that would be the case. In the future; I will be more vigilant that the autopilot will comply with the performance that I expect.

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.

G450 first officer reports overshooting the 1;500 ft initial level off altitude on the RUUDY4 departure from teb. The autopilot was engaged at 900 ft and was unable to make to make the level off precisely.