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Less than standard separation for two air carrier aircraft at bos, reporter did not follow assigned SID procedures.
| Attributes | |
| ACN | 153321 |
| Time | |
| Date | 199008 |
| Day | Sat |
| Place | |
| Locale Reference | airport : bos |
| State Reference | MA |
| Altitude | msl bound lower : 600 msl bound upper : 2000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : bos tower : lax |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 3 Turbojet Eng |
| Flight Phase | climbout : initial climbout : intermediate altitude climbout : takeoff |
| Route In Use | departure sid : sid |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Widebody, Low Wing, 3 Turbojet Eng |
| Flight Phase | climbout : initial climbout : intermediate altitude climbout : takeoff |
| Route In Use | departure sid : sid |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : flight engineer |
| Experience | flight time last 90 days : 160 flight time total : 5500 flight time type : 700 |
| ASRS Report | 153321 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | non adherence : clearance non adherence : published procedure non adherence : required legal separation other spatial deviation |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance other |
| Consequence | Other |
| Miss Distance | horizontal : 12000 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Air carrier large transport X had just been cleared for takeoff at runway 4R at bos. The takeoff was hurried, as we were still 20 min ahead of our original wheels-up release time. I knew that a heading was required per our SID (logan 7), and I asked the captain at 600' AGL which heading to turn to. He answered '120 start your turn now.' I so did, and soon saw an air carrier widebody transport Y on a converging course, having been cleared for takeoff on runway 9 a few seconds behind us. When we were handed over to departure, the controller immediately asked us to turn to a heading of 070 degree. He then asked which heading we had been on previously, and the captain answered '120 degrees.' the controller then informed us that the SID depicted a 90 degree heading for runway 4R, and we were asked to maintain visibility sep with air carrier widebody transport Y. We were approximately 2 mi apart at the closest.
Original NASA ASRS Text
Title: LESS THAN STANDARD SEPARATION FOR TWO ACR ACFT AT BOS, REPORTER DID NOT FOLLOW ASSIGNED SID PROCS.
Narrative: ACR LGT X HAD JUST BEEN CLRED FOR TKOF AT RWY 4R AT BOS. THE TKOF WAS HURRIED, AS WE WERE STILL 20 MIN AHEAD OF OUR ORIGINAL WHEELS-UP RELEASE TIME. I KNEW THAT A HDG WAS REQUIRED PER OUR SID (LOGAN 7), AND I ASKED THE CAPT AT 600' AGL WHICH HDG TO TURN TO. HE ANSWERED '120 START YOUR TURN NOW.' I SO DID, AND SOON SAW AN ACR WDB Y ON A CONVERGING COURSE, HAVING BEEN CLRED FOR TKOF ON RWY 9 A FEW SECS BEHIND US. WHEN WE WERE HANDED OVER TO DEP, THE CTLR IMMEDIATELY ASKED US TO TURN TO A HDG OF 070 DEG. HE THEN ASKED WHICH HDG WE HAD BEEN ON PREVIOUSLY, AND THE CAPT ANSWERED '120 DEGS.' THE CTLR THEN INFORMED US THAT THE SID DEPICTED A 90 DEG HDG FOR RWY 4R, AND WE WERE ASKED TO MAINTAIN VIS SEP WITH ACR WDB Y. WE WERE APPROX 2 MI APART AT THE CLOSEST.
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.