Narrative:

Doing the idale RNAV departure at las with initial climb clearance to 7000 ft. First officer hand flying. LNAV engaged. Flight director engaged. Shortly after takeoff, departure control gave us direct idale, then direct to boach. I programmed the FMS. While this was happening, we passed 6000 ft for 7000 ft. Neither one of us heard the altitude alert chime and we did not make the '1000 ft to go' callout. When we passed 7000 ft and got the altitude deviation chime, we both heard it and noted the altitude deviation. We reached 7700 ft before starting down again. I asked for and received further climb clearance before returning to 7000 ft. We were very busy with course changes, engine anti-ice going on, rain, and turbulence. 'Busy' is whey I should pay more attention to altitude -- especially with autoplt not engaged.

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Original NASA ASRS Text

Title: A B737-300 CREW, DEPARTING LAS, OVERSHOT THEIR ASSIGNED ALT.

Narrative: DOING THE IDALE RNAV DEP AT LAS WITH INITIAL CLB CLRNC TO 7000 FT. FO HAND FLYING. LNAV ENGAGED. FLT DIRECTOR ENGAGED. SHORTLY AFTER TKOF, DEP CTL GAVE US DIRECT IDALE, THEN DIRECT TO BOACH. I PROGRAMMED THE FMS. WHILE THIS WAS HAPPENING, WE PASSED 6000 FT FOR 7000 FT. NEITHER ONE OF US HEARD THE ALT ALERT CHIME AND WE DID NOT MAKE THE '1000 FT TO GO' CALLOUT. WHEN WE PASSED 7000 FT AND GOT THE ALTDEV CHIME, WE BOTH HEARD IT AND NOTED THE ALTDEV. WE REACHED 7700 FT BEFORE STARTING DOWN AGAIN. I ASKED FOR AND RECEIVED FURTHER CLB CLRNC BEFORE RETURNING TO 7000 FT. WE WERE VERY BUSY WITH COURSE CHANGES, ENG ANTI-ICE GOING ON, RAIN, AND TURB. 'BUSY' IS WHEY I SHOULD PAY MORE ATTN TO ALT -- ESPECIALLY WITH AUTOPLT NOT ENGAGED.

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.