Air carrier flight crew reported a low altitude alert from ATC during in the climb. The flight received ATC vectors on course and continued the climb.
Synopsis
Air carrier flight crew reported a low altitude alert from ATC during in the climb. The flight received ATC vectors on course and continued the climb.
Narrative
While departing Runway XXR on the ZZZZZ departure; the flight director commanded a left turn then a right turn I (First Officer (FO)) was still hand flying following the flight director. ATC issued a low altitude alert and gave us a heading of 340. We were over the bay in a normal climb. During preflight I entered the flight plan and followed company procedures with the Captain by reviewing and briefing the taxi; departure and route. ATC then advised for the pilot in command to call the TRACON after we landed in ZZZ.Cause: It was an early morning flight out of ZZZ; We were on the last day of a 4 day trip; flew 8 hrs the day prior and had an early van and very early wake up. We were given a reroute when given the clearance and were focused on that entering new data in the FMS. Captain was also busy with the gate agent and #1 Flight Attendant (FA) resolving an issue with a passenger that wanted to get off the flight. Very short taxi; night and unfamiliar airport for myself.Suggestions: Need to be aware how human factors can affect normal procedures.
Second reporter narrative
Departing Runway XXR / departure track was straight out with a left turn to the first fix. First Officer's takeoff. Shortly after takeoff Flight Director commanded left turn followed by right turn. ATC issued a low altitude alert minimum altitude 1900 feet. We were climbing through 1600 feet at the time. ATC then gave heading 340. And we continued climb. Cause: Human factors associated with event ; end of a four day trip. Very early wake up. Given a revised clearance to enter in the FMC. Very short taxi. Night ; IMC Conditions after takeoff. I had previously flown a five day trip ending with a redeye; The day before I started my four-day trip. 9 consecutive days of flying. Suggestions: Be very aware of how human factors can affect standard operating procedures
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.