Flight crew of a lear jet 55 exceeded maximum speed below 10000 ft during departure climb. Departure controller alerted the crew to the overspd, which they corrected immediately.

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Attributes
ACN	429605
Time
Date	199903
Day	Mon
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : pwk.airport
State Reference	IL
Altitude	msl single value : 7000
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Controlling Facilities	tracon : c90.tracon
Operator	general aviation : corporate
Make Model Name	Learjet 55
Flight Phase	climbout : intermediate altitude
Route In Use	departure : on vectors
Flight Plan	IFR
Person 1
Affiliation	company : corporate
Function	flight crew : captain oversight : pic
Qualification	pilot : commercial pilot : cfi pilot : atp
Experience	flight time last 90 days : 90 flight time total : 12000 flight time type : 5000
ASRS Report	429605
Person 2
Affiliation	company : corporate
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	non adherence : far other anomaly
Independent Detector	other controllera
Resolutory Action	controller : issued alert 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:

After takeoff on climb out while on radar vectors from ord departure, we let the airspeed exceed 250 KIAS. Departure control brought it to our attention and we reduced our speed, no conflicts.

Original NASA ASRS Text

Title: FLC OF A LEAR JET 55 EXCEEDED MAX SPD BELOW 10000 FT DURING DEP CLB. DEP CTLR ALERTED THE CREW TO THE OVERSPD, WHICH THEY CORRECTED IMMEDIATELY.

Narrative: AFTER TKOF ON CLBOUT WHILE ON RADAR VECTORS FROM ORD DEP, WE LET THE AIRSPD EXCEED 250 KIAS. DEP CTL BROUGHT IT TO OUR ATTN AND WE REDUCED OUR SPD, NO CONFLICTS.

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.