A VFR cpr light transport climbed through its assigned altitude. Altitude deviation.

Attributes
ACN	270021
Time
Date	199405
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	atc facility : lax
State Reference	CA
Altitude	msl bound lower : 9000 msl bound upper : 10000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tracon : lax tracon : mem
Operator	general aviation : corporate
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 91
Flight Phase	climbout : intermediate altitude
Route In Use	departure other
Flight Plan	VFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	B747 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	cruise other
Route In Use	arrival other
Flight Plan	IFR
Person 1
Affiliation	Other
Function	flight crew : first officer
Qualification	pilot : commercial pilot : atp pilot : instrument
Experience	flight time last 90 days : 30 flight time total : 17000 flight time type : 30
ASRS Report	270021
Person 2
Affiliation	Other
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Events
Anomaly	altitude deviation : overshoot conflict : airborne less severe non adherence : required legal separation other anomaly other
Independent Detector	other controllera other flight crewa
Resolutory Action	flight crew : returned to intended course or assigned course other
Consequence	faa : reviewed incident with flight crew
Miss Distance	horizontal : 5000 vertical : 600
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Climbing VFR off lax on TC2 clearance 'turn northwest, climb to cruise altitude' (16500 ft). Through approximately 5000 ft, ATC instructed 'stop climb at 9000 ft for inbound traffic.' I acknowledged the 9000 ft instruction, but failed to put 9000 ft in the alerter. Through 9500 ft the captain said 'are we cleared to go up.' I looked at the alerter which still read 16500 ft and answered 'yes.' about the time we went through 10000 ft, the ATC specialist gave us an immediate descent back to 9000 ft to avoid a conflict with an inbound 747 airliner off our left side. We descended rapidly back to 9000 ft, but apparently set off the airliner's TCASII. Of course I apologized to ATC and they explained the problem for the airliner with the TCASII.

Original NASA ASRS Text

Title: A VFR CPR LTT CLBED THROUGH ITS ASSIGNED ALT. ALTDEV.

Narrative: CLBING VFR OFF LAX ON TC2 CLRNC 'TURN NW, CLB TO CRUISE ALT' (16500 FT). THROUGH APPROX 5000 FT, ATC INSTRUCTED 'STOP CLB AT 9000 FT FOR INBOUND TFC.' I ACKNOWLEDGED THE 9000 FT INSTRUCTION, BUT FAILED TO PUT 9000 FT IN THE ALERTER. THROUGH 9500 FT THE CAPT SAID 'ARE WE CLRED TO GO UP.' I LOOKED AT THE ALERTER WHICH STILL READ 16500 FT AND ANSWERED 'YES.' ABOUT THE TIME WE WENT THROUGH 10000 FT, THE ATC SPECIALIST GAVE US AN IMMEDIATE DSCNT BACK TO 9000 FT TO AVOID A CONFLICT WITH AN INBOUND 747 AIRLINER OFF OUR L SIDE. WE DSNDED RAPIDLY BACK TO 9000 FT, BUT APPARENTLY SET OFF THE AIRLINER'S TCASII. OF COURSE I APOLOGIZED TO ATC AND THEY EXPLAINED THE PROB FOR THE AIRLINER WITH THE TCASII.

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.