206B-FMS-22 – Loudhailer-rev.1-10.24.1985
206B-FMS-23 – Environmental Control System (Cabin Temperature Control)-rev.1-10.24.1985
206B-FMS-24 – Cabin Doors Off-rev.1-10.24.1985
206B-FMS-25 – Auxiliary Battery, 13 AMP Hour with Battery Select Swith-rev.1-10.24.1985
206B-FMS-26 – Lightweight Emergency Flotation Landing Gear-rev.2-01.15.1987
206B-FMS-28 – Fuel Pressure Gage-12.10.1984
206B-FMS-29 – Impact Resistant Fuel Cell Kit-01.06.1994