Bonanza overshoots assigned altitude near ont.

Attributes
ACN	429908
Time
Date	199903
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	navaid : pdz.vor
State Reference	CA
Altitude	msl bound lower : 5700 msl bound upper : 6000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : sct.tracon
Operator	general aviation : personal
Make Model Name	Bonanza 35
Operating Under FAR Part	Part 91
Navigation In Use	other vortac
Flight Phase	cruise : enroute altitude change
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : multi engine pilot : flight engineer pilot : commercial pilot : atp pilot : instrument
Experience	flight time last 90 days : 400 flight time total : 10000 flight time type : 50
ASRS Report	429908
Person 2
Affiliation	government : faa
Function	controller : approach
Qualification	controller : radar
Events
Anomaly	altitude deviation : overshoot non adherence : clearance non adherence : far
Resolutory Action	flight crew : returned to original clearance
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

En route L35 to hhr. Checked in with ont approach on 127.25. Transition from VFR to IFR clearance. Cleared to level at 6000 ft MSL. Overshot leveloff to 5700 ft and immediately corrected. No conflict. No comment by ATC.

Original NASA ASRS Text

Title: BONANZA OVERSHOOTS ASSIGNED ALT NEAR ONT.

Narrative: ENRTE L35 TO HHR. CHKED IN WITH ONT APCH ON 127.25. TRANSITION FROM VFR TO IFR CLRNC. CLRED TO LEVEL AT 6000 FT MSL. OVERSHOT LEVELOFF TO 5700 FT AND IMMEDIATELY CORRECTED. NO CONFLICT. NO COMMENT BY ATC.

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.