An aeronautical commander 90 climbs above the assigned altitude without clearance.

Attributes
ACN	432850
Time
Date	199903
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : blm.airport
State Reference	NY
Altitude	msl single value : 2000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	general aviation : personal
Make Model Name	Rockwell North American Twin Piston Undifferentiated or Other Mod
Operating Under FAR Part	Part 91
Flight Phase	climbout : initial
Route In Use	departure other
Flight Plan	IFR
Person 1
Affiliation	other
Function	observation : observer
Qualification	pilot : atp pilot : cfi
Experience	flight time last 90 days : 45 flight time total : 8600 flight time type : 410
ASRS Report	432850
Person 2
Affiliation	other
Function	flight crew : single pilot
Qualification	pilot : instrument pilot : private
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Independent Detector	other controllera
Resolutory Action	flight crew : returned to assigned airspace
Supplementary
Problem Areas	Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

The owner of the aircraft was flying. I was PNF. On initial climb out we were issued an amended clearance. While we were sorting out the amended clearance, we climbed 400 ft above our assigned altitude. We caught it just before mcguire asked us about our altitude. There was no conflict that I know of. A contributing factor was that the controller was apparently in training because we heard him talking to his supervisor. On initial climb out, it would have been better if he hadn't issued an amended clearance, or if we had said 'stand by' until leveling off.

Original NASA ASRS Text

Title: AN AERO COMMANDER 90 CLBS ABOVE THE ASSIGNED ALT WITHOUT CLRNC.

Narrative: THE OWNER OF THE ACFT WAS FLYING. I WAS PNF. ON INITIAL CLBOUT WE WERE ISSUED AN AMENDED CLRNC. WHILE WE WERE SORTING OUT THE AMENDED CLRNC, WE CLBED 400 FT ABOVE OUR ASSIGNED ALT. WE CAUGHT IT JUST BEFORE MCGUIRE ASKED US ABOUT OUR ALT. THERE WAS NO CONFLICT THAT I KNOW OF. A CONTRIBUTING FACTOR WAS THAT THE CTLR WAS APPARENTLY IN TRAINING BECAUSE WE HEARD HIM TALKING TO HIS SUPVR. ON INITIAL CLBOUT, IT WOULD HAVE BEEN BETTER IF HE HADN'T ISSUED AN AMENDED CLRNC, OR IF WE HAD SAID 'STAND BY' UNTIL LEVELING OFF.

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.