Installation of cabin floor extension. Applicable only when STC SH2379SW (stretched version) is installed.
Extend cabin section 200mm just forward of the rear bulkhead. STC SH1858SW tail rotor drive shaft cover or other FAA approved equivalent must be installed.
Extend cabin section 200mm just forward of rear bulkhead.
Modification SFENA SAS System with integrated attitude and coupled (HELCIS). Limited to serial number 1003.
Modification SFENA SAS system with integrated attitude and ocupled (HELCIS).
Grimes Manufacturing Co. landing light Model G-3600 A-3.
Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system