Narrative:

Departed lga runway 31 on the lga 8 SID. SID climb out involves vector headings, initial altitude of 5000 ft. Both pilots overlooked the 250 KT restr imposed to 11000 ft. After passing 10000 ft, first officer accelerated to climb speed, reaching 270 KTS at 11000 ft. At 12500 ft, ATC requested we 'expedite' our climb to 15000 ft due to crossing traffic. Moments later, the controller advised that the SID had a speed restr that would aid climb rate. Although we were well above 11000 ft when the request was made, the implication was that we weren't climbing fast enough to avoid the crossing traffic. The speed restr can be missed in the cluttered plan-form of the SID. It might reduce future problems if the restrs were placed in the text description for each runway climb out.

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Original NASA ASRS Text

Title: L1011 EXCEEDS STAR CLB SPD RESTR IN N90 AIRSPACE.

Narrative: DEPARTED LGA RWY 31 ON THE LGA 8 SID. SID CLBOUT INVOLVES VECTOR HDGS, INITIAL ALT OF 5000 FT. BOTH PLTS OVERLOOKED THE 250 KT RESTR IMPOSED TO 11000 FT. AFTER PASSING 10000 FT, FO ACCELERATED TO CLB SPD, REACHING 270 KTS AT 11000 FT. AT 12500 FT, ATC REQUESTED WE 'EXPEDITE' OUR CLB TO 15000 FT DUE TO XING TFC. MOMENTS LATER, THE CTLR ADVISED THAT THE SID HAD A SPD RESTR THAT WOULD AID CLB RATE. ALTHOUGH WE WERE WELL ABOVE 11000 FT WHEN THE REQUEST WAS MADE, THE IMPLICATION WAS THAT WE WEREN'T CLBING FAST ENOUGH TO AVOID THE XING TFC. THE SPD RESTR CAN BE MISSED IN THE CLUTTERED PLAN-FORM OF THE SID. IT MIGHT REDUCE FUTURE PROBS IF THE RESTRS WERE PLACED IN THE TEXT DESCRIPTION FOR EACH RWY CLBOUT.

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.