SN 20800529 | 411TTA&E. 411 TSN. 411 Prop Time. 8,360 GTOW Kit. 9 Aft Cabin Bose Headphone Connectors. CESCOM. Corrosion Prevention. Empty Wt on Floats - 5,635 Lbs. Gear Advisory System. Lo-Presti Boom Beam HID Lights. Useful Load on Floats - 2,725 Lbs