Comfort Seat, Fits LH or RHVertical Reference operations present enough challenges to pilots without the added distraction of a seat whose lumbar support impedes movement. The DART Aerospace Comfort Seat eliminates the lumbar support and increases the comfort of the seat. Kit includes durable aerospace grade polycarbonate thermoformed alloy seat bucket, brackets and covered seat cushions. Requires no permanent modification to the seat and uses the existing seat. Installs on