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Nct controller and flight crew reported the pilots flew the SID incorrectly into confliction with a previous departure.
| Attributes | |
| ACN | 1476414 |
| Time | |
| Date | 201708 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | SJC.Airport |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Falcon 10/100 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Climb |
| Route In Use | SID SJC2 |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | EMB ERJ 170/175 ER/LR |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | DME |
| Person 1 | |
| Function | Departure |
| Qualification | Air Traffic Control Fully Certified |
| Experience | Air Traffic Control Time Certified In Pos 1 (yrs) 10 |
| Person 2 | |
| Function | Pilot Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 100 Flight Crew Total 32000 Flight Crew Type 1000 |
| Events | |
| Anomaly | ATC Issue All Types Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Deviation - Track / Heading All Types |
Narrative:
Aircraft X departed sjc on SJC2 departure. Approximately one half mile off the departure end I noticed the aircraft in a right turn climbing out of 1400 feet. The aircraft appeared not to be on the correct departure procedure; and was turning inside of the previous departure off of sjc aircraft Y. I turned aircraft Y to heading 090; and amended aircraft X's altitude to maintain 4000. I established vertical and lateral separation between both aircraft and the vectored both aircraft on their proper way.again an aircraft does not fly a departure procedure correctly off of sjc. Last week I filed two separate reports on two aircraft within 7 minutes of each other that did not fly the procedures correctly. The departure procedures off of sjc have been poorly developed and published. Sjc has a long history of aircraft not flying the departure procedures correctly. The sids are at times confusing to the pilots; and every departure flies the procedure differently. Again; I recommend that since sjc tower is responsible for successive departure separation; that they ensure aircraft are in the turn appropriately prior to communication transfer. Because this doesn't happen; sjc tower keeps launching departures while the departure controller is busy trying to point out; and separate these aircraft that don't fly the departure right.
Original NASA ASRS Text
Title: NCT Controller and flight crew reported the pilots flew the SID incorrectly into confliction with a previous departure.
Narrative: Aircraft X departed SJC on SJC2 Departure. Approximately one half mile off the departure end I noticed the aircraft in a right turn climbing out of 1400 feet. The aircraft appeared not to be on the correct departure procedure; and was turning inside of the previous departure off of SJC Aircraft Y. I turned Aircraft Y to heading 090; and amended Aircraft X's altitude to maintain 4000. I established vertical and lateral separation between both aircraft and the vectored both aircraft on their proper way.Again an aircraft does not fly a departure procedure correctly off of SJC. Last week I filed two separate reports on two aircraft within 7 minutes of each other that did not fly the procedures correctly. The departure procedures off of SJC have been poorly developed and published. SJC has a long history of aircraft not flying the departure procedures correctly. The SIDs are at times confusing to the pilots; and every departure flies the procedure differently. Again; I recommend that since SJC Tower is responsible for successive departure separation; that they ensure aircraft are in the turn appropriately prior to communication transfer. Because this doesn't happen; SJC Tower keeps launching departures while the departure controller is busy trying to point out; and separate these aircraft that don't fly the departure right.
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.