Nct controller reported an air carrier failed to fly the sjc's LOUPE4 departure properly. Controller...

Attributes
ACN	1516677
Time
Date	201802
Local Time Of Day	1201-1800
Place
Locale Reference	SJC.Airport
State Reference	CA
Environment
Light	Daylight
Aircraft 1
Make Model Name	Medium Large Transport
Operating Under FAR Part	Part 121
Flight Phase	Climb
Route In Use	SID LOUPE4
Flight Plan	IFR
Person 1
Function	Departure
Qualification	Air Traffic Control Fully Certified
Experience	Air Traffic Control Time Certified In Pos 1 (yrs) 11
Events
Anomaly	Deviation - Procedural Published Material / Policy Deviation - Procedural Clearance Deviation - Track / Heading All Types

Narrative:

Aircraft X departed san jose on LOUPE4 departure. The aircraft did not turn as per departure procedure; continued upwind. I turned it to 050; 090; and 120 headings respectively. Yet again; another aircraft fails to fly the LOUPE4 departure procedure correctly. This continues to happen over and over again. The departure procedure needs to be redone in a manner that is completely clear as to what needs to be done. Again; I recommend that sjc tower ensures all runway 30 departures on a SID/departure procedure are in a right turn prior to transfer of communication. Until this problem gets resolved; these events will continue to happen.

Original NASA ASRS Text

Title: NCT Controller reported an air carrier failed to fly the SJC's LOUPE4 departure properly. Controller identified this as a recurring event needing clarification.

Narrative: Aircraft X departed San Jose on LOUPE4 Departure. The aircraft did not turn as per departure procedure; continued upwind. I turned it to 050; 090; and 120 headings respectively. Yet again; another aircraft fails to fly the LOUPE4 departure procedure correctly. This continues to happen over and over again. The departure procedure needs to be redone in a manner that is completely clear as to what needs to be done. Again; I recommend that SJC Tower ensures all runway 30 departures on a SID/Departure procedure are in a right turn prior to transfer of communication. Until this problem gets resolved; these events will continue to happen.

Data retrieved from NASA's ASRS site 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.

Nct controller reported an air carrier failed to fly the sjc's LOUPE4 departure properly. Controller identified this as a recurring event needing clarification.