Narrative:

We had a last minute change in aircraft; coupled with a change in departure time to 30 minutes earlier. I allowed those changes; along with fueling; catering; etc. To push me into a 'rushed' mode. On departure from runway 30L; flying the LOUPE1 departure; there was a thunderstorm to the northeast and east of the airport (sjc). While listening to the reports about the weather; I misread the flight path indications on the mfd and initiated the turn to the 120 degree heading too early. Per the LOUPE1 departure procedure; the initial altitude is 5;000 ft MSL. Approximately halfway through the turn; nct instructed us to stop our climb at 4;000 ft; apparently because my early turn had reduced the spacing between us and the flight we were following. Shortly thereafter; departure cleared us to climb to 5;000 ft. About that time; the flight in front of us reported a lightening strike; so we requested a turn away from the weather. We were given a turn to 210 degrees followed by a direction for an expedited climb to 15;000 ft; and soon thereafter a clearance of direct to the sjc VOR to resume the departure. With my error of an early turn and all the other confusion; I am not certain that we made the altitude restriction over the sjc VOR.

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Original NASA ASRS Text

Title: CE750 flight crew reports turning early during the LOUPE1 departure out of SJC; after a rushed preflight; and is instructed to level off at 4;000 FT versus the 5;000 FT originally assigned. Subsequent crossing restrictions may have been missed after deviations for a thunderstorm.

Narrative: We had a last minute change in aircraft; coupled with a change in departure time to 30 minutes earlier. I allowed those changes; along with fueling; catering; etc. to push me into a 'rushed' mode. On departure from Runway 30L; flying the LOUPE1 Departure; there was a thunderstorm to the northeast and east of the airport (SJC). While listening to the reports about the weather; I misread the flight path indications on the MFD and initiated the turn to the 120 degree heading too early. Per the LOUPE1 Departure procedure; the initial altitude is 5;000 FT MSL. Approximately halfway through the turn; NCT instructed us to stop our climb at 4;000 FT; apparently because my early turn had reduced the spacing between us and the flight we were following. Shortly thereafter; Departure cleared us to climb to 5;000 FT. About that time; the flight in front of us reported a lightening strike; so we requested a turn away from the weather. We were given a turn to 210 degrees followed by a direction for an expedited climb to 15;000 FT; and soon thereafter a clearance of direct to the SJC VOR to resume the departure. With my error of an early turn and all the other confusion; I am not certain that we made the altitude restriction over the SJC VOR.

Data retrieved from NASA's ASRS site as of April 2012 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.