Installation of a copilot rotor tachometer with integral dual engine cycle counting capabilities.

Installation of Electronics Int'l digital automatic engine analyzer.

Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.

Premiair Aircraft Engineering Modifications 05-007 & 05-009. Modifications embodied, since manufacture, in Brazil & South Africa. Also modifications embodied to meet EASA & JAR OPS-3 requirements. EASA.R.S.01088

Premiair Aircraft Engineering Modification 05-010.KLN 900 GPS Receiver Installation. EASA.R.S.01087