Narrative:

As captain, I was PF. Prior to departure, the loupe 1 (LOUPE1.dyblo) departure was briefed. During the brief, the first officer and I discussed the class B airspace and how the departure would be flown. I indicated that due to the gross weight of approximately 450000 pounds, I would use only 15 degrees of bank turns and would accelerate to our top bug, minimum maneuvering speed of 247 KIAS. At the 1.8 DME, turn was initiated to heading of 120 degrees (as per SID). As the sjc 047 degree radial indicates, cross at or below 5000 ft. I leveled the aircraft at 5000 ft and accelerated to top bug. The departure controller asked if we were aware of the class B airspace. The first officer acknowledged we were and our minimum maneuvering speed was 247 KIAS. He stated, 'understood, no problem.' it appeared to myself and the crew that there was a stuck microphone on the departure frequency. After probably 5-10 seconds, the controller angrily stated, 'air carrier X, turn right heading 140 degrees.' 'air carrier X, your turn was so wide you almost entered my arrival corridor to oak.' nothing else was said. It appeared to me that the controller might have tried contacting us more than once, yet due to the stuck microphone, all we heard were the last 2 comments. I do realize that my turn was wide due to the gross weight. Secondly, I will not fly an aircraft at 450000 pounds in a takeoff confign and not clean, nor at minimum maneuvering speeds and dirty. I accelerated the aircraft to clean, minimum maneuvering speed. No other comments were made. I don't believe I violated any airspace, yet we as a crew felt the controller may have been angry enough to submit a report. Supplemental information from acn 629797: although we did not violate the departure procedure or the letter of the applicable regulations, the incident points out the shortcomings of the charted procedure. The whole situation could be solved if: 1) the departure procedure required all maneuvers be within a specific DME from sjc, 2) the procedure depicted a speed restr, and 3) the class B airspace would be shown on the departure plan view and not some other chart.

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Original NASA ASRS Text

Title: A DC10 OFF SJC ON LOUPE 1 DEP REQUIRED A MINIMUM MANEUVERING SPD OF 247 KTS CAUSING THE ACFT TO MAKE A VERY WIDE TURN THAT ALMOST PENETRATED AN ADJACENT SECTOR'S AIRSPACE.

Narrative: AS CAPT, I WAS PF. PRIOR TO DEP, THE LOUPE 1 (LOUPE1.DYBLO) DEP WAS BRIEFED. DURING THE BRIEF, THE FO AND I DISCUSSED THE CLASS B AIRSPACE AND HOW THE DEP WOULD BE FLOWN. I INDICATED THAT DUE TO THE GROSS WT OF APPROX 450000 LBS, I WOULD USE ONLY 15 DEGS OF BANK TURNS AND WOULD ACCELERATE TO OUR TOP BUG, MINIMUM MANEUVERING SPD OF 247 KIAS. AT THE 1.8 DME, TURN WAS INITIATED TO HDG OF 120 DEGS (AS PER SID). AS THE SJC 047 DEG RADIAL INDICATES, CROSS AT OR BELOW 5000 FT. I LEVELED THE ACFT AT 5000 FT AND ACCELERATED TO TOP BUG. THE DEP CTLR ASKED IF WE WERE AWARE OF THE CLASS B AIRSPACE. THE FO ACKNOWLEDGED WE WERE AND OUR MINIMUM MANEUVERING SPD WAS 247 KIAS. HE STATED, 'UNDERSTOOD, NO PROB.' IT APPEARED TO MYSELF AND THE CREW THAT THERE WAS A STUCK MIKE ON THE DEP FREQ. AFTER PROBABLY 5-10 SECONDS, THE CTLR ANGRILY STATED, 'ACR X, TURN R HDG 140 DEGS.' 'ACR X, YOUR TURN WAS SO WIDE YOU ALMOST ENTERED MY ARR CORRIDOR TO OAK.' NOTHING ELSE WAS SAID. IT APPEARED TO ME THAT THE CTLR MIGHT HAVE TRIED CONTACTING US MORE THAN ONCE, YET DUE TO THE STUCK MIKE, ALL WE HEARD WERE THE LAST 2 COMMENTS. I DO REALIZE THAT MY TURN WAS WIDE DUE TO THE GROSS WT. SECONDLY, I WILL NOT FLY AN ACFT AT 450000 LBS IN A TKOF CONFIGN AND NOT CLEAN, NOR AT MINIMUM MANEUVERING SPDS AND DIRTY. I ACCELERATED THE ACFT TO CLEAN, MINIMUM MANEUVERING SPD. NO OTHER COMMENTS WERE MADE. I DON'T BELIEVE I VIOLATED ANY AIRSPACE, YET WE AS A CREW FELT THE CTLR MAY HAVE BEEN ANGRY ENOUGH TO SUBMIT A RPT. SUPPLEMENTAL INFO FROM ACN 629797: ALTHOUGH WE DID NOT VIOLATE THE DEP PROC OR THE LETTER OF THE APPLICABLE REGS, THE INCIDENT POINTS OUT THE SHORTCOMINGS OF THE CHARTED PROC. THE WHOLE SIT COULD BE SOLVED IF: 1) THE DEP PROC REQUIRED ALL MANEUVERS BE WITHIN A SPECIFIC DME FROM SJC, 2) THE PROC DEPICTED A SPD RESTR, AND 3) THE CLASS B AIRSPACE WOULD BE SHOWN ON THE DEP PLAN VIEW AND NOT SOME OTHER CHART.

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.