Narrative:

My first officer and I were on day two of a three-day trip. We both prefer night trips; but because of certain days we bid a day line. Today; the second day; we had an [early] report. Fatigue was definitely a factor. I was the PF (pilot flying). Part of our takeoff clearance out of bur was a traffic call about a helicopter flying near the runway. The takeoff was uneventful. I initiated a turn to the right as per the departure procedure. After being handed off to sct; we were immediately cleared to a higher altitude. Our TCAS system alerted us to traffic in the area. I engaged the autopilot at 1;000 feet; so I could help look for conflicting traffic. We were handed off to a different controller.upon initial contact with the controller; we were instructed to turn immediately to a heading of 180. I cannot recall if the autopilot was in heading select mode because we got the instruction to turn a 180 very quickly and he did use the word 'immediately.' I disengaged the autopilot; initiated a turn to the south to expedite the de-confliction. The controller instructed us to tighten up the turn immediately due to a traffic conflict. Due to the urgent tone in his voice I rolled into 45 degrees of bank. He told us of a traffic conflict at 3;000 feet. At that point; we had just passed 4;000 feet. After the controller de-conflicted the situation and the first officer and I had no idea of what was going on; I asked him on the radio what had just happened. He stated that we had shot through our 210 heading and we were heading right into arrival traffic for bur.

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Original NASA ASRS Text

Title: B737-700 reported experiencing a heading deviation during departure from BUR resulting in an airborne conflict.

Narrative: My First Officer and I were on day two of a three-day trip. We both prefer night trips; but because of certain days we bid a day line. Today; the second day; we had an [early] report. Fatigue was definitely a factor. I was the PF (Pilot Flying). Part of our takeoff clearance out of BUR was a traffic call about a helicopter flying near the runway. The takeoff was uneventful. I initiated a turn to the right as per the departure procedure. After being handed off to SCT; we were immediately cleared to a higher altitude. Our TCAS system alerted us to traffic in the area. I engaged the autopilot at 1;000 feet; so I could help look for conflicting traffic. We were handed off to a different Controller.Upon initial contact with the Controller; we were instructed to turn immediately to a heading of 180. I cannot recall if the autopilot was in heading select mode because we got the instruction to turn a 180 very quickly and he did use the word 'immediately.' I disengaged the autopilot; initiated a turn to the south to expedite the de-confliction. The Controller instructed us to tighten up the turn immediately due to a traffic conflict. Due to the urgent tone in his voice I rolled into 45 degrees of bank. He told us of a traffic conflict at 3;000 feet. At that point; we had just passed 4;000 feet. After the Controller de-conflicted the situation and the First Officer and I had no idea of what was going on; I asked him on the radio what had just happened. He stated that we had shot through our 210 heading and we were heading right into arrival traffic for BUR.

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.