An air carrier large transport crew overshot its climb altitude on a SID. Altitude deviation.

Attributes
ACN	339349
Time
Date	199606
Day	Sat
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : sjc
State Reference	CA
Altitude	msl bound lower : 12000 msl bound upper : 12800
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	artcc : zoa
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Navigation In Use	Other Other
Flight Phase	climbout : intermediate altitude
Route In Use	departure other departure sid : sid
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 190 flight time total : 11000 flight time type : 2180
ASRS Report	339349
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : commercial pilot : flight engineer pilot : instrument pilot : atp
Experience	flight time last 90 days : 160 flight time total : 10000 flight time type : 2500
ASRS Report	339078
Events
Anomaly	altitude deviation : crossing restriction not met altitude deviation : overshoot non adherence : published procedure non adherence : far non adherence : clearance
Independent Detector	aircraft equipment other aircraft equipment : unspecified other flight crewa
Resolutory Action	flight crew : became reoriented flight crew : returned to intended course or assigned course
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

On initial climb, complying with the SID, the vertical climb mode was inadvertently changed from mcdu 'controled vertical navigation' to 'open climb.' mode change went unnoticed by both pilots. Consequently an altitude restr on the climb SID was missed by 800 ft. Human performance consideration: mode change awareness in advanced automated cockpits. Supplemental information from acn 339078: we were cleared the 'remainder of the SID, to comply with the restrs.' I thought we were cleared to 12000 ft, the PNF said we were cleared to FL230. I dialed in FL230 and pulled the knob, engaging open climb and overriding the 12000 ft restr programmed into the mcdu -- we climbed to 12800 before catching the error -- I did not realize there was an error being made.

Original NASA ASRS Text

Title: AN ACR LGT CREW OVERSHOT ITS CLB ALT ON A SID. ALTDEV.

Narrative: ON INITIAL CLB, COMPLYING WITH THE SID, THE VERT CLB MODE WAS INADVERTENTLY CHANGED FROM MCDU 'CTLED VERT NAV' TO 'OPEN CLB.' MODE CHANGE WENT UNNOTICED BY BOTH PLTS. CONSEQUENTLY AN ALT RESTR ON THE CLB SID WAS MISSED BY 800 FT. HUMAN PERFORMANCE CONSIDERATION: MODE CHANGE AWARENESS IN ADVANCED AUTOMATED COCKPITS. SUPPLEMENTAL INFO FROM ACN 339078: WE WERE CLRED THE 'REMAINDER OF THE SID, TO COMPLY WITH THE RESTRS.' I THOUGHT WE WERE CLRED TO 12000 FT, THE PNF SAID WE WERE CLRED TO FL230. I DIALED IN FL230 AND PULLED THE KNOB, ENGAGING OPEN CLB AND OVERRIDING THE 12000 FT RESTR PROGRAMMED INTO THE MCDU -- WE CLBED TO 12800 BEFORE CATCHING THE ERROR -- I DID NOT REALIZE THERE WAS AN ERROR BEING MADE.

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.