B737 Undifferentiated or Other Model
Flight Crew Air Transport Pilot (ATP)
Flight Crew Last 90 Days 120; Flight Crew Type 403
Situational Awareness
Deviation / Discrepancy - Procedural FAR; Deviation / Discrepancy - Procedural Published Material / Policy; Flight Deck / Cabin / Aircraft Event Illness / Injury
Flight Crew Became Reoriented; General Physical Injury / Incapacitation
Human Factors
After two late night flying events; this day three of three included two daytime flights. This reported event resulted in minor injury to a flight attendant. After a quick pushback; dual engine start; short taxi; then immediate takeoff clearance given; we began take off roll. A rolling takeoff was initiated. At flaps up call by me; the First Officer said to me we forgot to do the final items on the takeoff checklist. A minor flight attendant injury was communicated to the flight deck during the climb out about 10 minutes into the climb after the sterile cockpit light was turned off. This was the result of the flight attendants scrambling to get to their jumpseats as takeoff power was applied.
Flight crew failed to complete final items of takeoff checklist. Additionally; FO did not complete final items flow. Error was caught during after takeoff checks; as start switches were not in continuous position and transponder was not in Traffic Advisory (TA)/Resolution Advisory (RA) position. As a result of not receiving the departure announcement; a flight attendant pinched her finger in the jumpseat during her scramble to get seated upon takeoff roll commencement. In debriefing the event; aircrew could not determine any reason for the checklist incompletion. Evolution from push to taxi to runway was normal and without distraction. Fortunately; FA injury was not significant to preclude her performing normal duties.
B737 flight crew forgets to complete the before takeoff checklist after a short taxi and an immediate takeoff clearance. This results in the start switches and transponder switch not being in the correct position and the flight attendants being out of their seats when the takeoff is commenced.