A rotorcraft seating assembly , comprising: a seat bucket and a base seat structure , the base seat structure configured to support the seat bucket in a seating position, the base seat structure comprising: a base portion mountable to a flight deck floor of a rotorcraft; and left and right side panel portions rising from the base portion at an obtuse angle in a spaced apart relationship, each side panel portion comprising: a bucket guide channel set into an inside face of the side panel portion; and a bucket guide slot set into an outside face of the side panel portion opposite the bucket guide channel, the bucket guide slot comprising 1) a linear upper portion and 2) an arcuate lower portion ; the seat bucket slidably coupled to each of the left and right side panel portions by the bucket guide channel and the bucket guide slot, the seat bucket configured to: support an operator of the rotorcraft; and in response to a dynamic event: attenuate a crash energy of the seat bucket by slidably translating along the bucket guide channel; and stroke the seat bucket in a downward and a forward direction by slidably translating along the arcuate lower portion of the bucket guide slot. a seat bucket and a base seat structure , the base seat structure configured to support the seat bucket in a seating position, the base seat structure comprising: a base portion mountable to a flight deck floor of a rotorcraft; and left and right side panel portions rising from the base portion at an obtuse angle in a spaced apart relationship, each side panel portion comprising: a bucket guide channel set into an inside face of the side panel portion; and a bucket guide slot set into an outside face of the side panel portion opposite the bucket guide channel, the bucket guide slot comprising 1) a linear upper portion and 2) an arcuate lower portion ; a base portion mountable to a flight deck floor of a rotorcraft; and left and right side panel portions rising from the base portion at an obtuse angle in a spaced apart relationship, each side panel portion comprising: a bucket guide channel set into an inside face of the side panel portion; and a bucket guide slot set into an outside face of the side panel portion opposite the bucket guide channel, the bucket guide slot comprising 1) a linear upper portion and 2) an arcuate lower portion ; a bucket guide channel set into an inside face of the side panel portion; and a bucket guide slot set into an outside face of the side panel portion opposite the bucket guide channel, the bucket guide slot comprising 1) a linear upper portion and 2) an arcuate lower portion ; the seat bucket slidably coupled to each of the left and right side panel portions by the bucket guide channel and the bucket guide slot, the seat bucket configured to: support an operator of the rotorcraft; and in response to a dynamic event: attenuate a crash energy of the seat bucket by slidably translating along the bucket guide channel; and stroke the seat bucket in a downward and a forward direction by slidably translating along the arcuate lower portion of the bucket guide slot. support an operator of the rotorcraft; and in response to a dynamic event: attenuate a crash energy of the seat bucket by slidably translating along the bucket guide channel; and stroke the seat bucket in a downward and a forward direction by slidably translating along the arcuate lower portion of the bucket guide slot. attenuate a crash energy of the seat bucket by slidably translating along the bucket guide channel; and stroke the seat bucket in a downward and a forward direction by slidably translating along the arcuate lower portion of the bucket guide slot. <EOS>