Light transport cpr aircraft departing airport reporter captain didn't hear the last altitude assignment by tower and flew through it. First officer alerted him to the new altitude and aircraft was returned to it.

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Attributes
ACN	401540
Time
Date	199805
Day	Mon
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : hio
State Reference	OR
Altitude	msl bound lower : 1500 msl bound upper : 1900
Environment
Flight Conditions	IMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : pdx tracon : roc
Operator	general aviation : corporate
Make Model Name	Any Unknown or Unlisted Aircraft Manufacturer
Operating Under FAR Part	Part 91
Flight Phase	climbout : intermediate altitude
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : cfi pilot : atp
Experience	flight time last 90 days : 50 flight time total : 12400 flight time type : 1500
ASRS Report	401540
Person 2
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : commercial pilot : instrument
Events
Anomaly	altitude deviation : overshoot non adherence : clearance
Independent Detector	other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

I was the PF. Just prior to departing on runway 30, I had briefed my partner (copilot) on our departure. We were to turn left to 120 degrees and intercept the 166 degree radial to ubg VOR, climbing to 4000 ft. The tower gave us an amended altitude of 1500 ft as we were taking the runway. I did not hear the new altitude instruction. I must have been distracted. My copilot did set the new altitude into the alerter. After departure, while turning to 120 degrees, the alerter went off, and I queried him about the 1500 ft that was set, thinking that I must have not set 4000 ft as I had briefed. At 1800 ft, I started to level off and push the nose down. My copilot confirmed the amended altitude of 1500 ft. I pushed it over to 1500 ft, received clearance to 15000 ft just as I leveled at 1500 ft. This was just about the time we reached a left downwind for runway 30 on departure. We climbed to our assigned altitude with no further discrepancies. This was my error. I will be more vigilant for last min conversation from ATC, expecting a potential change.

Original NASA ASRS Text

Title: LTT CPR ACFT DEPARTING ARPT RPTR CAPT DIDN'T HEAR THE LAST ALT ASSIGNMENT BY TWR AND FLEW THROUGH IT. FO ALERTED HIM TO THE NEW ALT AND ACFT WAS RETURNED TO IT.

Narrative: I WAS THE PF. JUST PRIOR TO DEPARTING ON RWY 30, I HAD BRIEFED MY PARTNER (COPLT) ON OUR DEP. WE WERE TO TURN L TO 120 DEGS AND INTERCEPT THE 166 DEG RADIAL TO UBG VOR, CLBING TO 4000 FT. THE TWR GAVE US AN AMENDED ALT OF 1500 FT AS WE WERE TAKING THE RWY. I DID NOT HEAR THE NEW ALT INSTRUCTION. I MUST HAVE BEEN DISTRACTED. MY COPLT DID SET THE NEW ALT INTO THE ALERTER. AFTER DEP, WHILE TURNING TO 120 DEGS, THE ALERTER WENT OFF, AND I QUERIED HIM ABOUT THE 1500 FT THAT WAS SET, THINKING THAT I MUST HAVE NOT SET 4000 FT AS I HAD BRIEFED. AT 1800 FT, I STARTED TO LEVEL OFF AND PUSH THE NOSE DOWN. MY COPLT CONFIRMED THE AMENDED ALT OF 1500 FT. I PUSHED IT OVER TO 1500 FT, RECEIVED CLRNC TO 15000 FT JUST AS I LEVELED AT 1500 FT. THIS WAS JUST ABOUT THE TIME WE REACHED A L DOWNWIND FOR RWY 30 ON DEP. WE CLBED TO OUR ASSIGNED ALT WITH NO FURTHER DISCREPANCIES. THIS WAS MY ERROR. I WILL BE MORE VIGILANT FOR LAST MIN CONVERSATION FROM ATC, EXPECTING A POTENTIAL CHANGE.

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.