<< >> NASA ASRS Report 353920, November 1996

Widebody transport freighter told to maintain 250 KTS until further advised but accelerated to 290 KTS leaving 10000 ft.

Attributes
ACN	353920
Time
Date	199611
Day	Thu
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : sjc
State Reference	CA
Altitude	msl bound lower : 10000 msl bound upper : 11000
Environment
Flight Conditions	VMC
Light	Night
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 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 : 185 flight time total : 10700 flight time type : 1450
ASRS Report	353920
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : instrument pilot : commercial
Events
Anomaly	non adherence : clearance other anomaly
Independent Detector	other controllera
Resolutory Action	controller : issued new clearance
Consequence	Other
Supplementary
Primary Problem	Flight Crew Human Performance
Air Traffic Incident	Pilot Deviation

Narrative:

Departed sjc with clearance of altam 6 departure linden transition. We were to maintain 250 KTS till advised. After reaching 4000 ft we were given a heading of 310 degrees to intercept the 004 degree radial off sjc. We inadvertently accelerated after passing 10000 ft and the center controller asked us to verify our speed restr. We had passed 290-300 KTS at the time. We slowed back to 250 KTS and were given a 20 degree heading change so as not to overtake some other traffic that was along our route of flight at a slower climb rate. No other problems ensued.

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Original NASA ASRS Text

Title: WDB FREIGHTER TOLD TO MAINTAIN 250 KTS UNTIL FURTHER ADVISED BUT ACCELERATED TO 290 KTS LEAVING 10000 FT.

Narrative: DEPARTED SJC WITH CLRNC OF ALTAM 6 DEP LINDEN TRANSITION. WE WERE TO MAINTAIN 250 KTS TILL ADVISED. AFTER REACHING 4000 FT WE WERE GIVEN A HDG OF 310 DEGS TO INTERCEPT THE 004 DEG RADIAL OFF SJC. WE INADVERTENTLY ACCELERATED AFTER PASSING 10000 FT AND THE CTR CTLR ASKED US TO VERIFY OUR SPD RESTR. WE HAD PASSED 290-300 KTS AT THE TIME. WE SLOWED BACK TO 250 KTS AND WERE GIVEN A 20 DEG HDG CHANGE SO AS NOT TO OVERTAKE SOME OTHER TFC THAT WAS ALONG OUR RTE OF FLT AT A SLOWER CLB RATE. NO OTHER PROBS ENSUED.

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.