Installation of a Ski Tube compartment extending aft of the baggage compartment. (182B S/N 53598, 185, 185A, 185B, 185C and 185E S/N 1149, 182D S/N 53598, 180G S/N 51774, 182C S/N 53598, A185E S/N 1149, 180, 180A, 180B, 180C, 180D, 180E, 180F and 180H S/ N 51774, 182 and 182A S/N 53598) View PDF on drs.faa.gov ↗

The STC PDF is authoritative: installation instructions, ICA requirements and limitations.