During the departure climb, a corporate flight crew overshot their assigned altitude. As they were correcting, the departure controller stated their original assignment of 8000 ft, and then cleared the aircraft to 10000 ft.

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Attributes
ACN	333000
Time
Date	199604
Day	Fri
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : tys
State Reference	TN
Altitude	msl bound lower : 8000 msl bound upper : 8500
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : tys
Operator	general aviation : corporate
Make Model Name	Citation V
Operating Under FAR Part	Part 91
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude ground : preflight
Route In Use	enroute : on vectors
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 75 flight time total : 9500 flight time type : 700
ASRS Report	333000
Person 2
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	controller : issued new clearance flight crew : returned to intended course or assigned course other
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Cleared after takeoff to 8000 ft while in left turn to 020 degrees. It was choppy and I was hand flying. Normally, I am cleared to 10000 ft and this was fixed in my mind. As I passed through 8000 ft I remembered the clearance and pulled the power back and dropped the nose. It was cool and I was climbing at a good rate and went several hundred ft above the clearance. The controller noticed our altitude and commented about the 8000 ft, and then cleared us to 10000 ft. I turned the autoplt on and proceeded with the trip. There was another aircraft out there which must have been the reason for the 8000 ft clearance to be issued. There was no indication that I came close to the other aircraft.

Original NASA ASRS Text

Title: DURING THE DEP CLB, A CORPORATE FLC OVERSHOT THEIR ASSIGNED ALT. AS THEY WERE CORRECTING, THE DEP CTLR STATED THEIR ORIGINAL ASSIGNMENT OF 8000 FT, AND THEN CLRED THE ACFT TO 10000 FT.

Narrative: CLRED AFTER TKOF TO 8000 FT WHILE IN L TURN TO 020 DEGS. IT WAS CHOPPY AND I WAS HAND FLYING. NORMALLY, I AM CLRED TO 10000 FT AND THIS WAS FIXED IN MY MIND. AS I PASSED THROUGH 8000 FT I REMEMBERED THE CLRNC AND PULLED THE PWR BACK AND DROPPED THE NOSE. IT WAS COOL AND I WAS CLBING AT A GOOD RATE AND WENT SEVERAL HUNDRED FT ABOVE THE CLRNC. THE CTLR NOTICED OUR ALT AND COMMENTED ABOUT THE 8000 FT, AND THEN CLRED US TO 10000 FT. I TURNED THE AUTOPLT ON AND PROCEEDED WITH THE TRIP. THERE WAS ANOTHER ACFT OUT THERE WHICH MUST HAVE BEEN THE REASON FOR THE 8000 FT CLRNC TO BE ISSUED. THERE WAS NO INDICATION THAT I CAME CLOSE TO THE OTHER ACFT.

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.