SK76 helicopter on IFR climb overshot assigned altitude by 300 ft.

Attributes
ACN	370540
Time
Date	199706
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	atc facility : lga
State Reference	NY
Altitude	msl bound lower : 2000 msl bound upper : 2300
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : zny
Operator	general aviation : corporate
Make Model Name	S-76/S-76 Mark II
Operating Under FAR Part	Part 91
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude cruise other descent : intermediate altitude
Route In Use	arrival : on vectors enroute : on vectors enroute airway : zny
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : cfi pilot : atp pilot : instrument
Experience	flight time last 90 days : 180 flight time total : 4000 flight time type : 500
ASRS Report	370540
Person 2
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi pilot : flight engineer
Experience	flight time last 90 days : 150 flight time total : 14000 flight time type : 7800
ASRS Report	370233
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	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On an IFR climb to 2000 ft, heading 060 degrees, while coupled to the flight director, the altitude preset and altitude capture malfunctioned. The aircraft climbed to approximately 2300 ft MSL before the climb was arrested and the aircraft was descended to 2000 ft MSL assigned.

Original NASA ASRS Text

Title: SK76 HELI ON IFR CLB OVERSHOT ASSIGNED ALT BY 300 FT.

Narrative: ON AN IFR CLB TO 2000 FT, HDG 060 DEGS, WHILE COUPLED TO THE FLT DIRECTOR, THE ALT PRESET AND ALT CAPTURE MALFUNCTIONED. THE ACFT CLIMBED TO APPROX 2300 FT MSL BEFORE THE CLB WAS ARRESTED AND THE ACFT WAS DSNDED TO 2000 FT MSL ASSIGNED.

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.